7. Disconnect the fingerprint reader board cable (2) from the ExpressCard board.
8. Remove the top cover.
Reverse this procedure to install the top cover.
TouchPad assembly
Description Spare part number
For use only with computer models equipped with a fingerprint reader (includes a fingerprint reader
board and cable)
487134-001
For use only with computer models not equipped with a fingerprint reader 487135-001
Before removing the TouchPad assembly, 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 46).
5. Remove the following:
a. Hard drive (see
Hard drive on page 52)
b. Optical drive (see
Optical drive on page 55)
c. Keyboard (see
Keyboard on page 60)
d. Switch cover (see
Switch cover on page 65)
e. Display assembly (see
Display assembly on page 74)
f. Top cover (see
Top cover on page 80)
82 Chapter 4 Removal and replacement procedures
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