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Infrared-Related Symptoms
Symptom / Error FRU / Action in Sequence
Unable to communicate
using the Infrared (IR) Port.
1. Make sure the setup
for the IR is correct.
2. Make sure there are
no fluorescent lights
near the computer.
The computer may
receive optical noise
from the fluorescent
light.
3. Reseat the IR unit.
4. Run the advanced
diagnostic test. (see
“Running the
Diagnostics” on
page 449) If an error
occurs and a FRU
code is displayed,
replace the parts
shown by the FRU
code.
PCMCIA-Related Symptoms
Symptom / Error FRU / Action in Sequence
PC Card does not work in
either upper slot or the
lower slot.
Diagnostic error code:
DEV 080
ERR 33
FRU 7210
1. Reseat the PCMCIA
flexible cable before
replacing the
PCMCIA slot. (See
“1200 PCMCIA Slot
Assembly” on
page 484)
2. PCMCIA slot assembly
PCMCIA slot pin is
damaged.
PCMCIA slot assembly
CardBus card does not
work.
1. Reseat the PC Card
2. Check the PC Card is
enabled in the
ThinkPad Configuration
program
3. Reseat the PCMCIA
flexible cable (See
“1200 PCMCIA Slot
Assembly” on
page 484)
Other Symptoms
Note: If you cannot find a symptom or error in this list
and the problem persists, see “Undetermined
Problems” on page 447.
Symptom / Error FRU / Action in Sequence
Errors occur only when the
port replicator is used.
See “Port Replicator
Checkout” on page 428.
446 IBM Mobile Systems HMM