3.
Lift the speaker assembly to remove it.(3).
Reverse this procedure to install the speaker.
Power button board
NOTE:
The power button board spare part kit includes the cable.
Description
Spare part number
Power button board
For 14" products
840694-001
For 15" products
840744-001
IMPORTANT:
Make special note of each screw and screw lock size and location during removal and
replacement.
Before removing the power button board, follow these steps:
1.
Shut down the computer.
2.
Disconnect all external devices connected to the computer.
3.
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
).
Component replacement procedures
71
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 ...
