Power-Related Symptoms
Symptom / Error FRU / Action in Sequence
Power shuts down during
operation.
1. Go to “Power
Systems Checkout”
on page 422.
2. Battery pack
3. Remove the battery
pack and let it cool for
2 hours.
4. DC/DC card
5. Power sources
The system does not power
off.
(See “Power Shutdown
Switch” on page 414.)
1. Press the power
shutdown switch.
2. System board
Function/Audio-Related Symptoms
Symptom / Error FRU / Action in Sequence
The system does not
suspend or resume when
the keyboard is opened or
closed.
1. Go to “Suspend
Mode” on page 430,
and check that the
computer can enter
suspend mode.
2. Boot an operating
system and press
Fn+F4. If the
computer enters
suspend mode,
suspect that the
application program is
not working properly.
3. Keyboard card
4. Video card
5. System board
The system does not
suspend or resume when
the LCD is closed or
opened.
1. Go to “Suspend
Mode” on page 430,
and check that the
computer can enter
suspend mode.
2. Boot an operating
system and press
Fn+F4. If the
computer enters
suspend mode,
suspect that the
application program is
not working properly.
3. LCD assembly
4. Video card
5. System board
Battery Fuel-Gauge does
not go higher than 90%.
Go to “Checking the
Battery Pack” on
page 424 and see the
note.
ThinkPad 765D (9546), 765L (9547) 443
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