4.1 Testing
1. Start the backup copy of the Reference Diskette (see page 3.6.1).
2. Does this screen appear?
PICTURE 86
Yes The computer has completed its internal self-tests. Press
Enter.
If the Main Menu appears, select Test the computer and
follow the instructions on the screen to start the testing
program.
# Note: If you hear three beeps or the icon PICTURE 87
# starts blinking, connect the AC Adapter and continue
# the test.
- If the computer did not beep, the speaker is not
working and you should have the system serviced. If
you are not sure about the beep, turn the computer off,
then on again.
- If you cannot go beyond the IBM screen, have the system
serviced.
- If the testing stops and does not continue, have the
system serviced.
If the Main Menu does NOT appear, the internal self-test
found a problem. Follow the instructions on the screen.
No If the AC Adapter is not connected, connect it and go to step 1
again. If the AC Adapter is connected, locate the problem in
"Troubleshooting Charts" in topic 4.2 and follow the prescribed
actions.
PS/2 Model L40 SX Quick Reference
Testing
¦ Copyright IBM Corp. 1991
4.1 - 1
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