IBM 6274 - Manual (Page 78)

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User Guide
Software problems
Universal Serial Bus (USB) problems
IBM Enhanced Diagnostics
IBM provides programs that you can run to diagnose hardware problems and
some software problems. Several utility programs that provide helpful
information about your computer are also included. The user interface for
running these diagnostic and utility programs is provided by PC-Doctor.
The IBM Enhanced Diagnostics program will isolate your computer hardware from
software that was preinstalled (or that you have installed) on your hard disk.
These programs run independently of the operating system and are generally
used when other methods are not available or have not been successful in
isolating a problem suspected to be hardware related.
Symptom Action
Software does not work
as expected. To determine if problems are caused by installed software,
verify that:
1. Your computer has the minimum memory requirements
needed to use the software. See the information supplied
with the software to verify memory requirements.
Note: If you have just installed an adapter or memory,
you might have a memory-address conflict.
2. The software is designed to operate on your computer.
3. The software you are using works on another computer.
If you received any error messages while using the software
program, see the information supplied with the software for
a description of the messages and solutions to the problem.
If you cannot correct the problem, have the computer
serviced.
Symptom Action
A Universal Serial Bus
(USB) device does not
work. Verify that the USB device is properly installed and firmly
seated. If you cannot correct the problem, have the computer
serviced.