IBM ThinkPad 365C 2625 Maintenance Manual page 127

Peripheral Device–Related Symptoms
Symptom / Error FRU / Action in Sequence
External display does 1. See "External Display
not work correctly. Self-Test" in "Common
Devices Checkout" section.
Printer problems. 1. Run Printer Self-test.
2. Parallel Port Device
3. Cable
4. System Board
Serial or parallel port 1. Device
device problems. 2. Device Cable
3. System Board
Infrared–Related Symptoms
Symptom / Error FRU / Action in Sequence
Unable to 1. Make sure the setup for the
communicate using IR is correct.
the Infrared (IR) Port. 2. Make sure there are no
fluorescent lights near the
computer.
The computer may receive
optical interference from the
fluorescent light.
3. Reseat the IR unit.
4. Run the advanced diagnostic
test. If an error occurs and a
FRU code is displayed,
replace the parts shown by
the FRU code.
Other Symptoms
Symptom / Error FRU / Action in Sequence
Errors occur only See "Port Replicator Checkout"
when Port Replicator in the "Common Devices
is used. Checkout" section.
PCMCIA slot pin is PCMCIA Slots Assembly
damaged.
Note
If you cannot find a symptom or error in this list and
the problem remains, see "Undetermined Problems"
on page 116.
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 only be
considered when a recurring problem exists.
When analyzing the intermittent problem, do the following:
ThinkPad 365X, 365XD (2625)
115