4.
Lift the retainer
(3)
from the top cover and then remove the fingerprint reader
(4)
.
Reverse the procedure to install the fingerprint reader.
Reverse this procedure to install the card reader.
Power button/function button
Description
Spare part number
Power button/function button board
683653-001
Before removing the power button 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 following components:
a.
Battery (see
Battery on page 38
).
b.
Bottom door (see
Bottom door on page 39
).
c.
Hard drive (see
Hard drive on page 43
)
d.
Optical drive (see
Optical drive on page 40
)
62
Chapter 4 Removal and replacement procedures
