HP ProBook 640 G2 Maintenance And Service Manual page 83

IMPORTANT: Make special note of each screw and screw lock size and location during removal and
replacement
Before removing the fingerprint reader, follow these steps:
1. Shut down the computer.
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. Service door (see
b. Remove the battery (see
c. Hard drive (see
d. Solid-state drive (see
e. WWAN module (see
f. WLAN module (see
g. Optical drive (see
h. Keyboard (see
i. Hinge covers (see
j. Base enclosure (see
k. System board (see
l. Fan/heat sink assembly (see
m. Top cover (see
Remove the fingerprint reader:
1. Remove the Phillips screwfrom the fingerprint reader bracket(1).
2. Remove the bracket(2).
Service door on page
Battery on page
Hard drive on page 39).
Solid-state drive (select products only) on page
WWAN module (select products only) on page
WLAN module on page
Optical drive on page
Keyboard on page 48).
Hinge cover on page 55).
Base enclosure on page
System board on page
Fan and heat sink assembly on page
Top cover and TouchPad on page
37).
38)
44).
46).
57).
59).
65).
Component replacement procedures
41).
42).
61).
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