Compaq Presario A900 Compaq Presario A900 Notebook PC - Maintenance and Servic - Page 63

Top cover, Switch cover and keyboard see

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Top cover Description Top cover (includes TouchPad and TouchPad cable and caps lock LED board and cable) Spare part number 462401-001 Before removing the top cover, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 34). 5. Remove the following components: a. Hard drive (see Hard drive on page 37) b. Optical drive (see Optical drive on page 44) c. Switch cover and keyboard (see Switch cover and keyboard on page 46) d. Display assembly (see Display assembly on page 50) Remove the top cover: 1. Turn the computer upside down, with the front toward you. 2. Remove the fourteen Phillips PM2.5×9.0 screws that secure the top cover to the base enclosure. Component replacement procedures 55

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Top cover
Description
Spare part number
Top cover (includes TouchPad and TouchPad cable and caps lock LED board and cable)
462401-001
Before removing the top cover, follow these steps:
1
.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2
.
Disconnect all external devices connected to the computer.
3
.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4
.
Remove the battery (see
Battery
on page
34
).
5
.
Remove the following components:
a
.
Hard drive (see
Hard drive
on page
37
)
b
.
Optical drive (see
Optical drive
on page
44
)
c
.
Switch cover and keyboard (see
Switch cover and keyboard
on page
46
)
d
.
Display assembly (see
Display assembly
on page
50
)
Remove the top cover:
1
.
Turn the computer upside down, with the front toward you.
2
.
Remove the fourteen Phillips PM2.5×9.0 screws that secure the top cover to the base enclosure.
Component replacement procedures
55