Fingerprint reader
Description Spare part number
Fingerprint reader 683652-001
Before removing the fingerprint reader, 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)
e. Memory (see 
Memory modules on page 45)
f. WLAN module (see 
WLAN/Bluetooth combo card on page 47)
g. Keyboard (see 
Keyboard on page 49)
h. Metal heat shield (see 
Metal heat shield on page 51)
i. Fan (see 
Fan on page 52)
j. Top cover (see 
Top cover on page 53)
Remove the fingerprint reader:
1. Position the top cover upside-down with the front toward you.
2. Remove the Phillips PM2.0×3.0 screw (1) that secures the device to the top cover.
3. Slide the fingerprint reader out of the retainer (2).
Component replacement procedures 61