IBM ThinkPad 600X?, Hardware Maintenance Manual

Page: 31 / 82

Symptom-to-FRU error messages
Function-related symptoms
Symptom or error FRU or action, in
sequence
The system does not
suspend or resume when
the LCD is closed or
opened. 1. Go to “Suspend
mode” on page 5,
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. System board.
The battery Fuel Gauge
does not go higher than
90%. Go to “Checking the
battery pack” on page 11,
and see the note.
The memory count (size)
appears different from the
actual size. Go to “Testing the
computer” on page 7.
The system hangs
intermittently. Go to “Intermittent
problems” on page 31.
Indicator-related symptoms
Symptom or error FRU or action, in
sequence
The indicator incorrectly
remains off or on, but the
system runs correctly. 1. Sub card.
2. System board.
The battery power status
indicator blinks from green
to yellow to orange. 1. Check that a correct
battery is installed.
2. Battery pack.
3. System board.
The battery indicator does
not turn on when the battery
is installed. 1. Battery pack.
2. System board.
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