HP Compaq Presario,Presario CQ42-121 Maintenance And Service Manual page 92

4. Remove the battery (see
5. Remove the following components:
a. Hard drive (see
b. WLAN (see
c. Optical drive (see
d. Keyboard (see
e. Top cover (see
f. Speaker assembly (see
g. Display assembly (see
h. Top cover (see
Remove the following cables from the system board if still connected:
●
Power connector cable (see
●
USB board cable (see
1. Turn the computer upright with the right side toward you.
2. Remove the three Phillips PM2.5×3.0 screws that secure the system board to the computer.
3. Release the optical drive cable (1) from the system board.
4. Lift the right side of the system board (2).
82 Chapter 4 Removal and replacement procedures
Battery on page
Hard drive on page
WLAN module on page
Optical drive on page
Keyboard on page 62)
Top cover on page
Speaker assembly on page
Display assembly on page
Top cover on page
Power connector cable on page
USB board on page
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