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2.
Remove the heat sink (2).
To install the heat sink, reverse the removal procedure.
When installing the heat sink, tighten the screws in the order from '1' to '7'.
System board with heat sink
To remove the system board with heat sink, use these procedures and illustrations.
Table 6-9
System board descriptions and part numbers
Description
System board (includes processor):
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows 10 operating system
AMD Ryzen 7 PRO 7840HS processor and NVIDIA GeForce RTX 4070 graphics
AMD Ryzen 7 PRO 7840HS processor and NVIDIA GeForce RTX 4060 graphics
AMD Ryzen 7 PRO 7840HS processor and NVIDIA GeForce RTX 4050 graphics
AMD Ryzen 7 PRO 7840HS processor and NVIDIA GeForce RTX 3050 graphics
AMD Ryzen 5 PRO 7640HS processor and NVIDIA GeForce RTX 4060 graphics
AMD Ryzen 5 PRO 7640HS processor and NVIDIA GeForce RTX 4050 graphics
AMD Ryzen 5 PRO 7640HS processor and NVIDIA GeForce RTX 3050 graphics
NOTE:
You do not have to remove the heat sink to remove the system board.
Before removing the system board, follow these steps:
1.
Prepare the computer for disassembly (see
2.
Remove the bottom cover (see
Preparation for disassembly on page
Bottom cover on page
37).
Spare part number
N48772-xx1
N48771-xx1
N48769-xx1
N48774-xx1
N48770-xx1
N48768-xx1
N48773-xx1
32).
System board with heat sink
47
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