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Removal and replacement procedures
Maintenance and Service Guide 4–37
Top cover
✎
The top cover spare part kit includes the TouchPad on/off board and cable, TouchPad button board and cable, and
TouchPad board and cable.
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 6).
5. Remove the following components:
a. Hard drive (see “Hard drive” on page 8)
b. Optical drive (see “Optical drive” on page 19)
c. Keyboard (see “Keyboard” on page 21)
d. Switch cover (see “Switch cover” on page 25)
e. Speaker assembly (see “Speaker assembly” on page 27)
f. Display assembly (see “Display assembly” on page 28).
Description Spare part number
Top covers with fingerprint reader board (include fingerprint reader board cable):
For use only with computer models with black trim 531820-001
For use only with computer models with white trim 531822-001
Top covers without fingerprint reader board:
For use only with computer models with black trim 531821-001
For use only with computer models with blue trim 538663-001
For use only with computer models with white trim 531823-001