IBM ThinkPad 760ED Hardware Maintenance Manual

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. Run the advanced
diagnostic test. (see
“Running the
Diagnostics” on
page 563) If an error
occurs and a FRU
code is displayed,
replace the parts
shown by the FRU
code.
Keyboard- or TrackPoint III-Related
Symptoms
Symptom / Error FRU / Action in Sequence
Keyboard (one or more
keys) does not work.
1. Reseat the keyboard
cables on the video
card.
2. Keyboard
3. Video card
4. System board
TrackPoint III does not
work.
1. Reseat the keyboard
cables on the video
card.
2. Go to “TrackPoint
Checkout” on
page 538.
3. Keyboard
4. Video card
5. System board
Pointer moves automatically
or does not work correctly.
See “TrackPoint
Checkout” on page 538.
ThinkPad 770 (9548, 9549) 557

IBM ThinkPad 760ED Specifications

General

Brand	IBM
Model	ThinkPad 760ED
Category	Laptop
Language	English