8.
Remove the keyboard (see
Keyboard on page 50).
9. Remove the top cover (see
Top cover on page 53).
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:
●
Memory module (see
Memory module on page 45)
●
RTC battery (see
RTC battery on page 77)
●
Fan and heat sink (see
Fan and heat sink on page 79).
●
PCH heat sink (see
PCH heat sink on page 82)
●
Processor (see
Processor on page 83)
Remove the system board:
1. Disconnect the following cables from the system board:
(1) Display panel cable
(2) Optical drive cable
(3) USB board cable
(4) Power connector cable
2.
Remove the Phillips M2.5 × 4.5 screw (1) that secures the system board to the base enclosure.
3. Lift the right side of the system board (2) until it rests at an angle.
ENWW
Component replacement procedures
75
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