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
Service door on page 37
).
b.
Remove the battery (see
Battery on page 38
)
c.
Hard drive (see
Hard drive on page 39
).
d.
Solid state drive (see
Solid-state drive (select products only) on page 41
).
e.
WWAN module (see
WWAN module (select products only) on page 42
).
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.
Component replacement procedures
45
Summary of Contents for ProBook 640 G2
Page 4: ...iv Important Notice about Customer Self Repair Parts ...
Page 6: ...vi Safety warning notice ...
Page 87: ...Reverse this procedure to replace the panel Component replacement procedures 77 ...
Page 89: ...Reverse this procedure to replace the audio board Component replacement procedures 79 ...
Page 91: ...Reverse this procedure to replace the audio boardr Component replacement procedures 81 ...
