HP Presario CQ43-300 Compaq Presario CQ43 Notebook PC Maintenance and Service - Page 82

Remove the Phillips PM2.5×6.0 screw

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● Speakers (see Speakers on page 61) ● USB board (see USB board on page 63) ● Power connector cable (see Power connector cable on page 64) ● Display assembly (see Display assembly on page 66) 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: ● Memory module (see Memory module on page 45) ● RTC battery (see RTC battery on page 78) ● Fan/heat sink assembly (see Fan/heat sink assembly on page 80) ● Processor (see Processor on page 86) Remove the system board: 1. Disconnect the optical drive connector cable from the system board. 2. Remove the Phillips PM2.5×6.0 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. 74 Chapter 4 Removal and replacement procedures

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●
Speakers (see
Speakers
on page
61
)
●
USB board (see
USB board
on page
63
)
●
Power connector cable (see
Power connector cable
on page
64
)
●
Display assembly (see
Display assembly
on page
66
)
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:
●
Memory module (see
Memory module
on page
45
)
●
RTC battery (see
RTC battery
on page
78
)
●
Fan/heat sink assembly (see
Fan/heat sink assembly
on page
80
)
●
Processor (see
Processor
on page
86
)
Remove the system board:
1.
Disconnect the optical drive connector cable from the system board.
2.
Remove the Phillips PM2.5×6.0 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.
74
Chapter 4
Removal and replacement procedures