4–26 Maintenance and Service Guide
Removal and replacement procedures
Top cov er
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 4-6).
5. Remove the following components:
a. Optical drive (see “Optical drive” on page4-7)
b. Hard drive (see “Hard drive” on page4-9)
c. Keyboard (see “Keyboard” on page4-15)
d. Keyboard cover (see “Keyboard cover” on page4-17)
e. Power button board (see “Power button board” on page4-19)
f. Display assembly (see “Display assembly” on page 4-20)
Remove the top cover:
1. Turn the computer upside down, with the front toward you.
2. Remove the six Phillips PM2.0X9.0 screws 1 that secure the top cover to the computer.
3. Remove the Phillips PM2.0x5.0 screw 2.
4. Turn the computer right side up, with the front facing you.
Description Spare part number
Top c ov er 489117-001