When replacing the system board, be sure to remove the following components (as applicable) from the
defective system board and install on the replacement system board:
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Solid-state drive (see Solid-state drive (M.2) on page 39).
●
Memory modules (see Memory on page 40).
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WLAN module (see WLAN module on page 43).
●
Heat sink for discrete graphics (see Heat sink on page 44).
●
PCH heat sink (see PCH heat sink on page 45).
Remove the system board:
1. Disconnect the following zero-insertion force (ZIF) connectors from the system board:
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Wireless antenna cable (1)
●
Speaker cable (2)
●
Keyboard cable (3)
●
Display cable (4)
●
USB board cable (5)
●
TouchPad cable (6)
●
Power button board cable (7)
54 Chapter 5 Removal and replacement procedures for authorized service provider parts
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