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4.
Remove the base enclosure (see
5.
Remove the battery (see
a.
Hard drive (see
b.
SSD (see
c.
Fans (see
NOTE:
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
Heat sink for hybrid graphics (see
●
Heat sink for CPU and graphics (see
●
WLAN module (see
Memory module (see
●
●
RTC battery (see
Remove the system board:
1.
Disconnect the following cables and zero-insertion force (ZIF) connectors from the system board:
●
Wireless antenna cable (1)
●
Speaker cable (2)
●
Keyboard cable (3)
Display cable (4)
●
●
USB board cable (5)
●
TouchPad cable (6)
●
Memory cable (7)
54
Chapter 5 Removal and replacement procedures for authorized service provider parts
Base enclosure on page
Battery on page
Hard drive on page
SSD (M.2) on page
41).
Fans on page
48).
Heat sink for hybrid graphics memory on page
Heat sink for CPU and graphics on page
WLAN module on page
Memory on page
42)
RTC battery on page
55)
32).
34), and then remove the following components:
39).
44)
49).
50).
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