System board
1. Prepare the computer for disassembly (see Preparation for disassembly on page 14).
2. Remove the stand assembly (see Stand assembly on page 15).
3. Remove the display (see Display on page 16).
4. Remove the hard drive (see Hard drive on page 20).
5. Remove the fan (see Fan on page 27).
6. Remove the heat sink (see Heat sink on page 28).
7. If replacing the system board, make sure to remove the following components from the old system
board and install on the new system board:
●
Memory modules (Memory module on page 21)
●
Solid-state drive (Solid-state drive on page 24) or Optane memory module (Optane memory
module on page 23)
●
WLAN module (WLAN module on page 22)
8. Disconnect the following cables from the system board:
(1): Camera cable
(2): Left speaker cable
(3): Right speaker cable
(4): Card reader board cable
(5): Hard drive power cable
(6): Hard drive data cable
(7): Optical drive cable
9. Remove the six Phillips screws that secure the system board to the computer (1).
System board 31
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