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Using HP PC Hardware Diagnostics (UEFI)
HP PC Hardware Diagnostics is a Unified Extensible Firmware Interface (UEFI) that allows you to run
diagnostic tests to determine whether the computer hardware is functioning properly. The tool runs outside
the operating system so that it can isolate hardware failures from issues that may be caused by the
operating system or other software components.
To start HP PC Hardware Diagnostics UEFI:
1.
Turn on or restart the computer, quickly press esc, and then press F2.
The BIOS searches three places for the HP PC Hardware Diagnostics (UEFI) tools in the following order:
a.
Connected USB drive
NOTE:
HP PC Hardware Diagnostics (UEFI) to a USB device on page
b.
Hard drive
c.
BIOS
2.
Click the type of diagnostic test you want to run, and then follow the on-screen instructions.
NOTE:
If you need to stop a diagnostic test, press Esc.
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device
NOTE:
The HP PC Hardware Diagnostics (UEFI) download instructions are provided in English only.
1.
Go to http://www.hp.com.
2.
Point to Support located at the top of the page, and then click Download Drivers.
3.
In the text box enter the product name, and then click Go.
-or-
Click Find Now to let HP automatically detect your product.
4.
Select your computer model, and then select your operating system.
5.
In the Diagnostic section, click HP UEFI Support Environment.
– or –
Click Download, and then select Run.
Diagnostic codes and errors
This section presents information about diagnostic LED codes, LED color definitions, and POST error
messages to help you troubleshoot problems.
Diagnostic LED and audible (beep) codes
This section describes the front panel LED error and operation codes as well as the audible codes that might
occur before or during the POST.
64
Chapter 4 Diagnostics and troubleshooting
To download the HP PC Hardware Diagnostics (UEFI) tool to a USB drive, see
64.
Downloading
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Table of Contents
Troubleshooting
