HP ProBook 640 G2 Maintenance And Service Manual page 55

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
Remove the WLAN module:
1. Disconnect the two cables (1).
2. Remove 1 M 2.0x3L P1 screw (2).
3. Remove the bracket (3), and then remove the WLAN module.
Reverse this procedure to install the WLAN module.
Service door on page 37).
Battery on page
Hard drive on page 39).
Solid-state drive (select products only) on page
WWAN module (select products only) on page
38)
Component replacement procedures
41).
42).
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