HP ProBook 6465b Notebook PC - Maintenance and Service Guide
Fingerprint reader board
Description Spare part number
Fingerprint reader board (includes cable) 642764-001
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 42).
5. Remove the following components:
a. Bottom door (see 
Bottom door on page 49).
b. Hard drive (see 
Hard drive on page 54)
c. Optical drive (see 
Optical drive on page 50)
d. WLAN module (see 
WLAN module on page 60)
e. WWAN module (see 
WWAN module on page 58)
f. Fan (see 
Fan on page 64)
g. Heat sink (see 
Heat sink on page 65)
h. Keyboard (see 
Keyboard on page 68)
i. Bottom cover (see 
Bottom cover from top cover on page 71)
Remove the fingerprint reader board:
1. Position the computer upside-down, with the front toward you.
76 Chapter 4 Removal and replacement procedures










