Related Manuals for HP ProOne 400 23.8-inch G4 All-in-One Business PC
Summary of Contents for HP ProOne 400 23.8-inch G4 All-in-One Business PC
- Page 1 Maintenance & Service Guide HP ProOne 400 23.8-inch G4 All-in-One Business PC HP ProOne 400 20-inch G4 All-in-One Business PC...
- Page 2 HP Inc. under license. bound by the terms of the HP End User License Not all features are available in all editions of Intel, Celeron, and Pentium are trademarks of Agreement (EULA).
- Page 3 About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information.
- Page 4 About This Book...
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Page 5: Table Of Contents
Table of contents 1 Product features ............................1 Overview ................................1 HP ProOne 400 23.8-inch components ......................... 2 Front components ..........................2 Side components ..........................2 Rear components ..........................3 Bottom components ..........................3 HP ProOne 400 20-inch components ........................4 Front components .......................... - Page 6 Screws ............................... 18 Cables and connectors ........................18 Hard Drives ............................19 Lithium coin cell battery ........................19 SATA hard drive cables ............................20 SATA data cable ..........................20 Cable management .............................. 20 4 Removal and Replacement Procedures ......................21 Preparing to disassemble the computer ......................
- Page 7 Using HP PC Hardware Diagnostics UEFI ......................74 Starting HP PC Hardware Diagnostics UEFI ..................75 Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive ..........75 Downloading the latest HP PC Hardware Diagnostics UEFI version ......75 Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products only) .....................
- Page 8 Using HP Recovery Manager to create recovery media ..............98 Before you begin ......................98 Creating the recovery media ................... 98 Using the HP Cloud Recovery Download Tool to create recovery media .......... 99 Restoring and recovery ............................99 Restoring, resetting, and refreshing using Windows tools .............. 99 Restoring using HP Recovery Manager and the HP Recovery partition ...........
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Page 9: Product Features
Product features Overview NOTE: For the latest manuals on this product, go to http://www.hp.com/support. Select Find your product, and then follow the on-screen instructions. Overview... -
Page 10: Hp Proone 400 23.8-Inch Components
HP ProOne 400 23.8-inch components Front components Component Component Webcam microphones (2) (optional) Webcam/IR lens (optional) IR LED (optional) IR LED (optional) Webcam LED (optional) Speakers (2) (optional) Side components Component Component Optical disc drive (optional) USB 3.1 Type-C port Optical disc drive light (optional) USB 3.1 Type-A (charging) port... -
Page 11: Rear Components
– or – HDMI port (optional) – or – Serial port (optional) USB 3.1 Type-A ports (2) Power connector DisplayPort port Security cable slot Bottom components Component Component Power button Hard drive activity light Power light HP ProOne 400 23.8-inch components... -
Page 12: Hp Proone 400 20-Inch Components
HP ProOne 400 20-inch components Front components Component Component Webcam LED Webcam microphone Webcam lens Speakers (2) (optional) Side components Component Component Optical disc drive (optional) USB 3.1 Type-C port Optical disc drive light (optional) USB 3.1 Type-A (charging) port Optical disc drive eject button (optional) USB 3.1 Type-A port... -
Page 13: Rear Components
– or – HDMI port (optional) – or – Serial port (optional) USB 3.1 Type-A ports (2) Power connector DisplayPort port Security cable slot Bottom components Component Component Power button Hard drive activity light Power light HP ProOne 400 20-inch components... -
Page 14: Labels
All labels described in this section will be located under the stand or affixed to the bottom of the computer. You may need the Product Key to update or troubleshoot the operating system. HP platforms preinstalled with Windows do not have the physical label, but have a Digital Product Key electronically installed. - Page 15 Look for the serial number label in the following locations: Labels...
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Page 16: Illustrated Parts Catalog
Component appearance may vary. NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions. System parts Item... - Page 17 Item Description (10) Optical drive carrier NOTE: Optical drives are spared separately from the optical drive carrier. Optical drive BD writer drive DVD±RW drive DVD-ROM drive (11) Option board DisplayPort HDMI Serial (12) Power button board (includes holder) (13) Bezel (for use in 20-inch models) (14) Webcam module with bracket and microphone module (for use only in 23.8-inch models) Webcam modules available in FHD (1080p), FHD+IR (1080p), and HD (720p)
- Page 18 Item Description 150 W, PFC, straight 120 W, PFC, 7.4 mm 90 W, PFC, 7.4 mm WLAN modules Intel Dual Band Wireless-AC 9560 802.11 AC 2x2 WiFi + Bluetooth 5.0 Combo Adapter (vPro) Intel Dual Band Wireless-AC 9560 802.11 AC 2x2 WiFi + Bluetooth 5.0 Combo Adapter (non-vPro) Realtek RTL8821CE 802.11 ac 1x1 WiFi + BT 4.2 Combo Adapter (MU-MIMO supported) Realtek RTL8822BE 802.11 ac 2x2 WiFi + BT 4.2 Combo Adapter (MU-MIMO supported) Hood sensor...
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Page 19: Mass Storage Devices
Mass storage devices Description Optical drive BD writer drive DVD±RW drive DVD-ROM drive Hard drive 2 TB, 5400 rpm, hybrid SSD drive, 7 mm 2 TB, 5400 rpm, 7 mm 1 TB, 5400 rpm, hybrid SSD drive, 9.5 mm 1 TB, 7200 rpm, 9.5 mm 500 GB, 5400 rpm, hybrid SSD drive, 7 mm 500 GB, 7200 rpm hard drive, self-encrypting (SED), Opal 2, 7 mm 500 GB, 7200 rpm, 7 mm... -
Page 20: Processors And Memory Modules
Processors and memory modules Description Memory modules (SODIMM; PC4-2400) 16-GB 8-GB 4-GB Intel Processors (include replacement thermal material) Intel Core i7-8700 Intel Core i7-8700T Intel Core i5-8600 Intel Core i5-8600T Intel Core i5-8500 Intel Core i5-8500T Intel Core i3-8300T Intel Core i3-8100T Intel Core i3-8033 Intel Core i3-8011 Intel Pentium G5600... - Page 21 Description USB, slim, smart card Antimicrobial USB, slim, gray USB, collaboration Wireless, collaboration USB, wired, healthcare Premium, wireless USB, Katydid Mouse USB, healthcare USB, gray USB, antimicrobial USB/PS2 Washable Hardened USB, optical USB, laser Keyboards and mice...
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Page 22: Routine Care, Sata Drive Guidelines, And Disassembly Preparation
Routine care, SATA drive guidelines, and disassembly preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board. -
Page 23: Preventing Electrostatic Damage To Equipment
Preventing electrostatic damage to equipment Many electronic components are sensitive to ESD. Circuitry design and structure determine the degree of sensitivity. The following packaging and grounding precautions are necessary to prevent damage to electric components and accessories. ● To avoid hand contact, transport products in static-safe containers such as tubes, bags, or boxes. ●... -
Page 24: Recommended Materials And Equipment
Recommended materials and equipment Materials and equipment that are recommended for use in preventing static electricity include: ● Antistatic tape ● Antistatic smocks, aprons, or sleeve protectors Conductive bins and other assembly or soldering aids ● ● Conductive foam ● Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance ●... -
Page 25: Routine Care
● Never cover the ventilation slots on the display with any type of material. Install or enable power management functions of the operating system or other software, including ● sleep states. Routine care General cleaning safety precautions Never use solvents or flammable solutions to clean the computer. Never immerse any parts in water or cleaning solutions;... -
Page 26: Cleaning The Display
The screws used in the computer are not interchangeable. They may have standard or metric threads and may be of different lengths. If an incorrect screw is used during the reassembly process, it can damage the unit. HP strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations. -
Page 27: Hard Drives
Batteries, battery packs, and accumulators should not be disposed of together with the general household waste. In order to forward them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents. Service considerations... -
Page 28: Sata Hard Drive Cables
SATA hard drive cables SATA data cable Always use an HP approved SATA 6.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop products ship with SATA 6.0 Gb/s hard drives. SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius. -
Page 29: Removal And Replacement Procedures
Disconnect all other attached cables from the back of the computer. Place the computer face down on a soft flat surface. HP recommends that you set down a blanket, towel, or other soft cloth to protect the screen surface from scratches or other damage. -
Page 30: Vesa Bracket
VESA bracket A VESA mount option is available. A separate VESA bracket and cover install in place of the stand. To remove the VESA bracket: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). Remove the VESA cover from atop the bracket. Remove the two screws (1) that secure the VESA bracket to the computer. -
Page 31: Rear Port Cover
Rear port cover Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). Remove the stand (see Stand on page 21). Remove the four Phillips screws securing the back cover (1), and then lift the back cover to remove it from the computer (2). -
Page 32: Hard Drive
Hard drive For a list of available hard drives, see Mass storage devices on page Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). Remove the stand (see Stand on page 21). Remove the rear port cover (see Rear port cover on page 23). - Page 33 Remove the four mounting screws from the 2.5 inch hard drive cage (1). Be sure to keep the screws to use to install a replacement drive. Remove the hard drive (2). Reverse the removal procedures to install a hard drive. Hard drive...
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Page 34: Optical Drive
Optical drive The optical drive mounts on the exterior, rear of the computer. It is secured with two screws. For a list of available optical drives, see Mass storage devices on page Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). - Page 35 Remove the Phillips screw that secure the optical drive inside the carrier. Slide the optical drive out of the carrier. Reverse the removal procedures to install an optical drive. Optical drive...
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Page 36: M.2 Solid-State Drive
M.2 solid-state drive For a list of available solid-state drives, see Mass storage devices on page To remove the M.2 solid-state drive: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). Remove the stand (see Stand on page 21). -
Page 37: Memory
Memory The memory slots on the system board can be populated with up to two industry-standard small outline dual inline memory modules (SODIMMs). These memory slots are populated with at least one preinstalled memory module. A metal shield protects the memory modules. For proper system operation, the memory modules must meet the following qualifications: Component Specification... - Page 38 To remove a memory module: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). Remove the stand (see Stand on page 21). Remove the rear port cover (see Rear port cover on page 23). To remove a memory module, press outward on the two latches on each side of the memory module (1), then pull the memory module out of the slot (2).
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Page 39: Battery
The lithium battery is only used when the computer is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, go to http://www.hp.com/recycle. -
Page 40: Wlan Module
For a list of available WLAN modules, see Illustrated parts catalog on page NOTE: The procedure to replace the WLAN module must be performed by an HP technician. To remove the WLAN module: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). -
Page 41: Option Board
Option board The option board is connected to the bottom, left of the system board. Underneath the board is a connector that connects to the system board. For a list of available option boards, see Illustrated parts catalog on page To remove the option board: Prepare the computer for disassembly (see Preparing to disassemble the computer on page... -
Page 42: Hood Sensor
Hood sensor The hood sensor is located to the right of the system board. To remove the hood sensor: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). Remove the stand (see Stand on page 21). -
Page 43: Fan Assembly
Fan assembly To remove the fan assembly: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). Remove the stand (see Stand on page 21). Remove the rear port cover (see Rear port cover on page 23). -
Page 44: Heat Sink
Heat sink Different heat sinks are available for models with UMA graphics memory or discrete graphics memory. You must remove the fan before you can remove the heat sink. To remove the heat sink: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). - Page 45 Lift the heat sink out of the computer (3). CAUTION: To reduce a degradation in thermal performance, be sure not to touch the thermal grease on the surface of the processor or the heat sink. UMA models Discrete models To replace the heat sink, reverse the removal procedures. Heat sink...
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Page 46: Processor
After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://www.hp.com. Chapter 4 Removal and Replacement Procedures... -
Page 47: System Board
System board The system board is secured with three screws. To remove the system board: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). Remove the stand (see Stand on page 21). Remove the rear port cover (see Rear port cover on page 23). - Page 48 Updating SMBIOS Information When replacing the system board, you must reprogram the SMBIOS information on the affected computer. Failure to reprogram the board will result in eventual failure, such as an activation failure (need to reactivate the system) or a system recovery failure. To update SMBIOS information in Computer Setup: Turn on or restart the computer.
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Page 49: System Board Callouts
System board callouts Sys Bd Label Color Component Sys Bd Label Color Component PSWD Blue Password reset jumper TOUCH White Touch panel CMOS Yellow Reset CMOS HSENSE White Hood sensor SATA1 Black Optical drive WLAN Black WLAN module PROCESSOR Black Processor socket COMM_DP Black... -
Page 50: Speakers
Speakers 23.8-models The speakers are located at the bottom of the computer behind the speaker cover. Two separate speakers are each secured by two Phillips screws. To remove the speakers: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). -
Page 51: 20-Models
From the rear of the computer, disconnect the speaker cable from the system board (1), and then push the connector end of the cable through the hole (2) that allows the cable to route to the front of the chassis. Remove two Phillips screws (1) that secure each speaker to the computer. - Page 52 From the rear of the computer, disconnect the speaker cable from the system board (1), and then push the connector end of the cable through the hole (2) that allows the cable to route to the front of the chassis. Remove two Phillips screws (1) that secure each speaker to the computer.
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Page 53: Power Button Board
Power button board The power button board is located at the bottom, right of the computer. It is spared with a plastic holder. To remove the power button board: Prepare the computer for disassembly (see Preparing to disassemble the computer on page 21). - Page 54 Pull the power button board cable through the hole in the chassis (2). Remove the power button board from the computer. To install the power button board, reverse the removal procedures. Chapter 4 Removal and Replacement Procedures...
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Page 55: Rear Enclosure And Display Assembly
Rear enclosure and display assembly Rear enclosure and display assembly in 23.8-inch models IMPORTANT: Removing the rear enclosure is a very involved process. To successfully disassemble, be sure to follow all steps in the correct order. If you break the clips or otherwise damage the rear cover during removal, a replacement cover is available. - Page 56 Remove the screw from under the webcam. From the front of the computer, remove the three Phillips screw located under the speaker cover that secure the rear enclosure to the computer. From the rear of the computer, remove the four Phillips screw located along the bottom edge of the computer.
- Page 57 Starting near the bottom right (as viewed from the rear), pull the rear closure up to disengage it from the computer. Work upward, and then toward the left, lifting the enclosure up to disengage, and then lift the rear enclosure off the computer. IMPORTANT: On models with a webcam, the webcam cable connects from the rear enclosure to the system board.
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Page 58: Display Panel In 20-Inch Models
IMPORTANT: Install the new display panel together with all other parts in the replacement kit. Do not reuse any old parts. Return all old parts to HP for warranty processing. CAUTION: It is very important to use the exact cable that shipped with the replacement panel. Failure to use the correct cable may result in panel failure. - Page 59 Remove the speaker cover (see Speakers on page 42). Remove the system board (see System board on page 39). Lift the bezel to disengage it from the computer. Remove the bezel from the computer. Rear enclosure and display assembly...
- Page 60 Remove the six Phillips screws that secure the display panel to the computer. Disconnect the main display cable from the rear of the display panel (1), and disconnect the backlight cable from the display panel (2). IMPORTANT: When replacing the display panel, be sure to use the cable that comes with the new display panel.
- Page 61 Remove the four Phillips screws from the top and bottom of the two brackets on the display panel. Pull the brackets off the sides of the display panel. To replace the display panel, reverse the removal procedures. Rear enclosure and display assembly...
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Page 62: Webcam
Webcam 23.8-inch models The webcam pops up from the top of the computer. You can remove the webcam module and microphone modules from the webcam frame assembly. The webcam frame is not removable and is spared with the rear enclosure and display assembly. For a list of available webcams, see Illustrated parts catalog on page To remove the webcam:... - Page 63 Locate the webcam components: (1) Microphone modules (2) Webcam module with bracket Peel the strip off from atop the webcam. Webcam...
- Page 64 Remove the two Phillips screws (1) that secure the webcam, and then disconnect the cable from the webcam (2). Remove the webcam and bracket from the computer. If you need to remove the microphone modules, lift to disengage the modules from the webcam housing (1), and the disconnect the cables from the modules (2).
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Page 65: 20-Inch Models
20-inch models The webcam pops up from the top of the computer. To remove the webcam, remove the webcam rear cover, four screws, and disconnect the cable from the connector on the webcam. For a list of available webcams, see Illustrated parts catalog on page To remove the webcam: Prepare the computer for disassembly (see... -
Page 66: Antennas In 23.8-Inch Models
Antennas in 23.8-inch models The antenna cables route from the WLAN module, through a hole in the main chassis, to antennas at the bottom of the computer. The antennas are secured to the computer with adhesive. NOTE: Because it is difficult to remove the antenna without damaging it or losing adhesion, a new antenna kit is available. -
Page 67: Computer Setup (F10) Utility
Computer Setup (F10) Utility Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change settings from the defaults or restore the settings to default values. View the system configuration, including settings for processor, graphics, memory, audio, storage, ●... - Page 68 Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down) keys to select the option you want, then press Enter. To return to the Computer Setup Utilities menu, press Esc. To apply and save changes, select Main > Save Changes and Exit. ●...
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Page 69: Computer Setup-Main
Integrated MAC Address System Diagnostics If the hard drive has the HP Advanced Diagnostics installed, the application will launch. If HP Advanced Diagnostics is not installed, then a basic version built into the BIOS will provide the capability to perform the following functions: ●... - Page 70 Check for Update on Next Reboot – default is disabled. ■ BIOS Source – lets you select either HP.com or a custom URL. If Custom URL is selected, Edit Custom URL becomes active. Using a custom URL is recommended only for a managed IT environment.
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Page 71: Computer Setup-Security
Table 5-1 Computer Setup—Main (continued) Option Description ● Ownership Tag Replicated Setup Backup current settings to USB device Saves system configuration to a formatted USB flash media device. Restore current settings from USB device Restores system configuration from a USB flash media device. Save Custom Defaults Saves the current system configuration settings as the custom default set. - Page 72 Manual recovery is intended only for situations where forensic analysis is desired before HP SureStart recovery. When this policy is set to manual, HP SureStart will not correct any issues that are found until the manual recovery key sequence is input by the local user. This can result in a computer that is unable to boot until the manual recovery key sequence is input.
- Page 73 (any modification to HP firmware) while the operating system is running. – Log Event Only – HP Sure Start will log all critical security events in the HP Sure Start audio log within the HP Sure Start non-volatile (flash) memory.
- Page 74 Table 5-2 Computer Setup—Security (continued) Option Description NOTE: Most operating systems control access to the MBR of the current bootable disk; the BIOS cannot prevent changes that may occur while the operating system is running. Restores the backup Master Boot Record to the current bootable disk. Default is disabled. Only appears if all of the following conditions are true: –...
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Page 75: Computer Setup-Advanced
Computer Setup—Advanced NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 5-3 Computer Setup—Advanced (for advanced users) Option Heading Display Language Lets you select the language of the menus in F10 Setup and the keyboard layout. Scheduled Power-On This feature wakes the system up from a powered off state at a specified date and time. - Page 76 If enabled the system firmware gets the recovery agent from the network. If disabled the system firmware gets the recovery agent from a local drive. Recover after Boot Failure If enabled and no bootable UEFI operating system is found, the system firmware will launch HP Sure Recover. Secure Boot...
- Page 77 Table 5-3 Computer Setup—Advanced (for advanced users) (continued) Option Heading Virtualization Technology (VTx) (Intel only) Controls the virtualization features of the processor. Changing this setting requires turning the computer off and then back on. Default is disabled. Virtualization Technology for Directed I/O (VTd) (Intel only) Controls virtualization DMA remapping features of the chipset.
- Page 78 Table 5-3 Computer Setup—Advanced (for advanced users) (continued) Option Heading Increase Idle Fan Speed(%) Sets idle fan speed percentage. This setting only changes the minimum fan speed. The fan is still automatically controlled. M.2 USB/Bluetooth Select to enable the M.2 controller. Default is enabled. LAN/WLAN auto switching Select to enable auto switching between a wired and wireless connection.
- Page 79 Table 5-3 Computer Setup—Advanced (for advanced users) (continued) Option Heading Specify the following categories of USB devices to enable: ● Allow all USB devices (default) ● Allow only keyboard and mouse ● Allow all but storage devices and hubs. When some devices are restricted, the system will disable USB ports that do not meet the allowed criteria.
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Page 80: Recovering The Configuration Settings
Table 5-3 Computer Setup—Advanced (for advanced users) (continued) Option Heading S5 (Soft Off) = LED is off. Electronic labels Displays system labels. Remote Management Active Management (AMT) (Intel only) (enable/disable). Default is enabled. Options Allows you to discover, repair, and protect networked computing devices. USB Key Provisioning Support (enable/disable) Default is disabled. -
Page 81: Using Hp Pc Hardware Diagnostics
The tool runs within the Windows operating system in order to diagnose hardware failures. If HP PC Hardware Diagnostics Windows is not installed on your computer, first you must download and install it. To download HP PC Hardware Diagnostics Windows, see... -
Page 82: Downloading The Latest Hp Pc Hardware Diagnostics Windows Version
If your PC will not boot into Windows, you can use HP PC Hardware Diagnostics UEFI to diagnose hardware issues. -
Page 83: Starting Hp Pc Hardware Diagnostics Uefi
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive can be useful in the following situations: ● HP PC Hardware Diagnostics UEFI is not included in the preinstall image. -
Page 84: Using Remote Hp Pc Hardware Diagnostics Uefi Settings (Select Products Only)
Find out more. Downloading Remote HP PC Hardware Diagnostics UEFI NOTE: HP Remote PC Hardware Diagnostics UEFI is also available as a Softpaq that can be downloaded to a server. Downloading the latest Remote HP PC Hardware Diagnostics UEFI version To download the latest Remote HP PC Hardware Diagnostics UEFI version, follow these steps: Go to http://www.hp.com/go/techcenter/pcdiags. - Page 85 Make your customization selections. Select Main, and then Save Changes and Exit to save your settings. Your changes take effect when the computer restarts. Using Remote HP PC Hardware Diagnostics UEFI settings (select products only)
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Page 86: Troubleshooting Without Diagnostics
To assist you in resolving problems online, HP Instant Support Professional Edition provides you with self- solve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's online chat feature. Access HP Instant Support Professional Edition at: http://www.hp.com/go/ispe. -
Page 87: Helpful Hints
● Be in front of your computer when you call. Write down the computer serial number and product ID number before calling. ● ● Spend time troubleshooting the problem with the service technician. Remove any hardware that was recently added to your system. ●... -
Page 88: Solving General Problems
Solving general problems You may be able to easily resolve the general problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact an authorized dealer or reseller. - Page 89 In case of forgotten password, power loss, or computer malfunction, you must manually disable the Smart Cover lock . A key to unlock the Smart Cover Lock is not available from HP. Keys are typically available from a hardware store.
- Page 90 Poor performance. Cause Solution Virus resident on the hard drive. Run virus protection program. Too many applications running. Close unnecessary applications to free up memory. Add more memory. Some applications run in the background and can be closed by right-clicking on their corresponding icons in the task tray.
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Page 91: Solving Power Problems
System does not power on and the LEDs on the front of the computer are not flashing. Cause Solution Remove the expansion cards one at a time until the 5V_aux light on the system board turns on. Replace the system board. Press and hold the power button for less than 4 seconds. -
Page 92: Solving Hard Drive Problems
Power LED flashes Red four times, once every second, followed by a two second pause, and the computer beeps four times. (Beeps stop after fifth iteration but LEDs continue flashing.) Computer powered off automatically and the Power LED flashes red three times and then white four times. Cause Solution Power failure (power supply is overloaded). - Page 93 Drive not found (identified). Cause Solution recognize the new device, check to see if the device is listed within Computer Setup. If it is listed, the probable cause is a driver problem. If it is not listed, the probable cause is a hardware problem.
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Page 94: Solving Audio Problems
Computer seems to be locked up. Cause Solution Program in use has stopped responding to commands. Use the task manager to close programs that do not respond. Attempt the normal Windows “Shut Down” procedure. If this fails, press the power button for four or more seconds to turn off the power. -
Page 95: Solving Printer Problems
Computer appears to be locked up while recording audio. Cause Solution The hard disk may be full. Before recording, make sure there is enough free space on the hard disk. You can also try recording the audio file in a compressed format. -
Page 96: Solving Keyboard And Mouse Problems
Printer prints garbled information. Cause Solution The cables may not be connected properly. Reconnect all cables. Printer memory may be overloaded. Reset the printer by turning it off for one minute, then turn it back Printer will not print. Cause Solution The printer may be out of paper. -
Page 97: Solving Hardware Installation Problems
Mouse does not respond to movement or is too slow. Cause Solution Program in use has stopped responding to commands. Shut down the computer using the keyboard then restart the computer. Mouse may need repair. See the Worldwide Limited Warranty for terms and conditions. Computer is in Sleep state. -
Page 98: Solving Network Problems
NOTE: DIMM1 or XMM1 must always be installed. DIMM1 must be installed before DIMM3. Replace third-party memory with HP memory. Replace the system board. Solving network problems Some common causes and solutions for network problems are listed in the following table. These guidelines do not discuss the process of debugging the network cabling. - Page 99 Network status link light never flashes. NOTE: The network status light is supposed to flash when there is network activity. Cause Solution No active network is detected. Check cabling and network equipment for proper connection. Network controller is not set up properly. Check for the device status within Windows, such as Device Manager for driver load and the Network Connections applet within Windows for link status.
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Page 100: Solving Memory Problems
Management Engine (ME) settings). To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a memory module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the computer will not boot the operating system. - Page 101 LEDs continue flashing.) Cause Solution Memory is installed incorrectly or is bad. Reseat DIMMs. Power on the system. Replace DIMMs one at a time to isolate the faulty module. Replace third-party memory with HP memory. Replace the system board. Solving memory problems...
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Page 102: Solving Usb Flash Drive Problems
Solving USB flash drive problems If you encounter USB flash drive problems, common causes and solutions are listed in the following table. USB flash drive is not seen as a drive letter in Windows. Cause Solution The drive letter after the last physical drive is not available. Change the default drive letter for the flash drive in Windows. -
Page 103: Solving Software Problems
If you have installed an operating system other than the factory-installed operating system, check to be sure it is supported on the system. If you encounter software problems, see the applicable solutions listed in the following table. Computer will not continue and the HP logo does not display. Cause Solution ROM issue - POST error has occurred. - Page 104 “Illegal Operation has Occurred” error message is displayed. Cause Solution Software being used is not Microsoft-certified for your version of Verify that the software is certified by Microsoft for your version Windows. of Windows (see program packaging for this information). Configuration files are corrupt.
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Page 105: Backing Up, Restoring, And Recovering
Creating HP Recovery media (select products only) After you have successfully set up the computer, use HP Recovery Manager to create a backup of the HP Recovery partition on the computer. This backup is called HP Recovery media. In cases where the hard drive is corrupted or has been replaced, the HP Recovery media can be used to reinstall the original operating system. -
Page 106: Using Hp Recovery Manager To Create Recovery Media
On select products, you can use the HP Cloud Recovery Download Tool to create HP Recovery media on a bootable USB flash drive. For more information, see Using the HP Cloud Recovery Download Tool to create recovery media on page... -
Page 107: Using The Hp Cloud Recovery Download Tool To Create Recovery Media
Recovering using HP Recovery Manager You can use HP Recovery Manager software to recover the computer to its original factory state by using the HP Recovery media that you either created or that you obtained from HP, or by using the HP Recovery partition (select products only). -
Page 108: Recovering Using The Hp Recovery Partition (Select Products Only)
Recovering using HP Recovery media If your computer does not have an HP Recovery partition or if the hard drive is not working properly, you can use HP Recovery media to recover the original operating system and software programs that were installed at the factory. -
Page 109: Changing The Computer Boot Order
Changing the computer boot order If your computer does not restart in HP Recovery Manager, you can change the computer boot order. This is the order of devices listed in BIOS where the computer looks for startup information. You can change the selection to an optical drive or a USB flash drive, depending on the location of your HP Recovery media. -
Page 110: Post Error Messages And Diagnostic Front Panel Leds And Audible Codes
POST error messages and diagnostic front panel LEDs and audible codes This appendix lists the error codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. - Page 111 Control panel message Description Recommended action RTC (real-time clock) battery may need to problem persists, replace the RTC battery. See be replaced. the Removal and Replacement section for instructions on installing a new battery. 008–Microcode Patch Error Processor is not supported by the BIOS. Upgrade BIOS to proper version.
- Page 112 Run the Drive Protection erroneous error message.) System test under using F2 Diagnostics when booting the computer. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) 104 Chapter 9 POST error messages and diagnostic front panel LEDs and audible codes...
- Page 113 System test under using F2 Diagnostics when booting the computer. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) Back up contents and replace hard drive. 309 – 30C: Hard Disk 3–6: SMART Hard Drive Hard drive is about to fail. (Some hard drives...
- Page 114 Control panel message Description Recommended action Reconfigure card resources and/or run Computer Setup or Windows utilities. 419-Out of Memory Space for Option ROMs Recently added PCI expansion card contains an If a PCI expansion card was recently ▲ option ROM too large to download during POST. added, remove it to see if the problem remains.
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Page 115: Interpreting System Validation Diagnostic Front Panel Leds And Audible Codes
Control panel message Description Recommended action 90B-Fan Failure The system has detected that a cooling fan is Reseat fan. not operating correctly. Reseat fan cable. Replace fan. 90D-System Temperature Thermal shutdown occurred. The system BIOS Make sure system has proper airflow. has detected your machine was previously shut down to avoid overheating. - Page 116 Number of long beeps/blinks Error category Thermal System board Patterns of blink/beep codes are determined by using the following parameters: ● 1 second pause occurs after the last major blink. 2 second pause occurs after the last minor blink. ● ●...
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Page 117: 10 Password Security And Resetting Cmos
If you lose or forget the password when in stringent security mode, the system can only be reset by System Management Command. This is a way for HP Service and Support to provide a secure method to access the BIOS and command a password reset for a specifically identified unit under the direction of the owner. This scenario may not be covered under warranty. - Page 118 Shut down the operating system properly, then turn off the computer and any external devices, and disconnect the power cord from the power outlet. With the power cord disconnected, press the power button again to drain the system of any residual power.
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Page 119: Clearing And Resetting The Bios
Clearing and resetting the BIOS The CMOS button resets BIOS settings to default, but does not clear the passwords or affect any of the other Security settings. On Intel systems with advanced manageability features, the CMOS button will also partially unprovision AMT. -
Page 120: Appendix A Power Cord Set Requirements
Power cord set requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage. -
Page 121: Country-Specific Requirements
Country-specific requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) Austria (1) Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada (2) Sweden (1) SEMKO Denmark (1) DEMKO... -
Page 122: Appendix B Statement Of Memory Volatility
Intel-based and AMD-based system boards contain nonvolatile memory subcomponents as originally shipped from HP, assuming that no subsequent modifications have been made to the system and assuming that no applications, features, or functionality have been added to or installed on the system. - Page 123 If a DriveLock password is set, select the Security menu, and scroll down to Hard Drive Utilities under the Utilities menu. Select Hard Drive Utilities, select DriveLock, then uncheck the checkbox for DriveLock password on restart. Select OK to proceed. Select the Main menu, and then select Reset BIOS Security to factory default.
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Page 124: Nonvolatile Memory Usage
HP Sure Start only) backup of The content is managed Embedded Controller. critical System solely by the HP Sure Start BIOS code, EC Embedded Controller. firmware, and critical computer configuration data for select... - Page 125 512 KByte flash Stores Fingerprint reader memory is Only a digitally signed (select products fingerprint programmed by user application can make the only) templates. enrollment in HP call to write to the flash. ProtectTools Security Manager. Nonvolatile memory usage 117...
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Page 126: Questions And Answers
HP has provided options in Computer Setup (BIOS) to allow you to run in legacy BIOS, if required by the operating system. Examples of this requirement would be if you upgrade or downgrade the OS. -
Page 127: Using Hp Sure Start (Select Models Only)
BIOS to its previously safe state, without user intervention. Those select computer models ship with HP Sure Start configured and enabled. HP Sure Start is configured and already enabled so that most users can use the HP Sure Start default configuration. The default configuration can be customized by advanced users. -
Page 128: Appendix C Specifications
Specifications Item Dimensions Without stand Fixed stand Adjustable Height Stand 23.8-inch models Width 21.24 in (539.6 mm) 21.24 in (539.6 mm) 21.24 in (539.6 mm) Depth 2.04 in (51.9 mm) 5.9 in (149.97 mm) 8.21 in (208.47 mm) Height 13.76 in (349.6 mm) 15.47 in (393 mm) 15.44 in (392.29 mm) 20-inch models... -
Page 129: Index
HP ProOne 400 20-inch bottom front components access panel HP ProOne 400 20-inch 4 locked 81 HP ProOne 400 20-inch rear 5 HP ProOne 400 23.8-inch 2 administrator password 109 HP ProOne 400 20-inch side 4 audible codes 107 HP ProOne 400 23.8-inch 2... - Page 130 109 system 99 Microsoft Certificate of power-on 109 USB flash drive 100 Authenticity 6 port cover using HP Recovery media 98 serial number 6 removing 23 recovery media service 6 POST error messages 102 creating using HP Cloud Recovery...
- Page 131 WLAN module rear port cover, removing 23 illustrated 10 serial number 6 removing 32 service considerations 18 side components HP ProOne 400 20-inch 4 HP ProOne 600 2 software problems 95 servicing computer 18 speaker cover illustrated 8 speakers...