What If Your Computer Does Not Work?
Infrared Communication Problems
Problem
Cause and action
Other problems.
The following is a list of failures that can cause other problems.
A compatibility problem exists between the Mwave feature and one or more
other adapters in the system.
To isolate a compatibility problem, remove other adapters from your system
and rerun the diagnostics while these adapters are removed.
The phone cabling configuration is not correct for your application.
The phone cabling is defective.
The phone is defective.
The audio cabling configuration is not correct for your application.
The audio cabling is defective.
The audio equipment is defective.
Problem
Action
The computer cannot
communicate with other
devices using the infrared
port on the computer.
Verify that:
The infrared function is enabled and other choices are set correctly in the
ThinkPad Setup menu of the ThinkPad Features program (see page 35).
The communicating device is using an equivalent communication speed.
The infrared ports are cleaned and no spotty area exist.
No cable or electrical device is between the computer and the
communicating device.
The distance and angle between the computer and the communicating
device are correct (see page 72).
Incorrect data is sent
between the computer
and device.
Verify that:
The distance and angle between the devices are correct (see page 72).
The communicating device is using an equivalent communication speed.
There is no device radiating infrared rays, such as remote-controlled devices
or wireless headphones, near the computer or device.
Direct sunlight or fluorescent lamps are not near the computer or device.
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IBM ThinkPad 755CX User's Guide
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