IBM THINKPAD 385XD (2635) Manual Do Utilizador
Symptom / Error
FRU / Action in Sequence
Serial or parallel port device
problems.
problems.
1. Run serial or parallel
port wrap test. (See
the device manual for
the test.)
the device manual for
the test.)
2. Device
3. System board
4. Device cable
3. System board
4. Device cable
Power-Related Symptoms
Symptom / Error
FRU / Action in Sequence
Power shuts down during
operation.
operation.
1. Go to “Power
Systems Checkout”
on page 29.
on page 29.
2. Battery pack
3. Remove the battery
pack and let it cool for
2 hours.
2 hours.
4. DC/DC card
5. System board
5. System board
6. Check the power
outlet.
The system does not power
off.
(See “Power Shutdown
Switch” on page 22.)
off.
(See “Power Shutdown
Switch” on page 22.)
1. Press the power
shutdown switch.
2. DC/DC card
3. System board
3. System board
Other Symptoms
Note: If you cannot find a symptom or an error in this list
and the problem remains, see “Undetermined
Problems” on page 48.
Problems” on page 48.
Symptom / Error
FRU / Action in Sequence
Errors occur only when the
port replicator is used.
port replicator is used.
See “Port Replicator
Checkout” on page 33.
Checkout” on page 33.
PC Card slot pin is
damaged.
damaged.
PC Card slots assembly.
Intermittent Problems
Intermittent system hang problems can be caused by a
variety of reasons that have nothing to do with a hardware
defect, such as: cosmic radiation, electrostatic discharge,
or software errors. FRU replacement should be
considered only when a recurring problem exists.
variety of reasons that have nothing to do with a hardware
defect, such as: cosmic radiation, electrostatic discharge,
or software errors. FRU replacement should be
considered only when a recurring problem exists.
When analyzing the intermittent problem, do the following:
1. Run the advanced diagnostic test for the system
board in loop mode at least 10 times.
2. If no error is detected, do not replace any FRUs.
IBM ThinkPad 380XD, 385XD (2635)
47