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.
27
Summary of Contents for MT 2645
Page 2: ...January 2000 This manual supports ThinkPad 600X MT 2645 ThinkPad 600X MT 2646...
Page 44: ...FRU removals and replacements 1020 DIMM 39...
Page 45: ...FRU removals and replacements 1025 Modem card 40 ThinkPad 600X Hardware Maintenance Manual...
Page 46: ...FRU removals and replacements 1030 Battery pack 2 Unlock Lock 1 41...
Page 51: ...FRU removals and replacements 8 46 ThinkPad 600X Hardware Maintenance Manual...
Page 73: ...Locations Password pads 68 ThinkPad 600X Hardware Maintenance Manual...
Page 74: ...Parts list Parts list 69...