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7. Remove the top cover (3).
Reverse this procedure to install the top cover.
Fingerprint reader board
Description Spare part number
Fingerprint reader board 486828-001
Before removing the fingerprint reader board, 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 41).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 44)
b. Optical drive (see
Optical drive on page 42)
c. Keyboard (see
Keyboard on page 54)
d. Switch cover (see
Switch cover on page 56)
e. Speaker assembly (see
Speaker assembly on page 58)
f. Display assembly (see
Display assembly on page 60)
g. Top cover (see
Top cover on page 67)
Component replacement procedures 69