IBM L40 SX Quick Reference page 89

4.1 Testing
1. Start the backup copy of the Reference Diskette (see page 3.6.1).
2. Does this screen appear?
Yes The computer has completed its internal self-tests.
Enter.
If the Main Menu appears, select Test the computer and
follow the instructions on the screen to start the testing
program.
# Note:
#
#
- If the computer did not beep, the speaker is not
working and you should have the system serviced.
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.
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
PICTURE 86
If you hear three beeps or the icon
starts blinking, connect the AC Adapter and continue
the test.
Follow the instructions on the screen.
¦ Copyright IBM Corp. 1991
Testing
Press
PICTURE 87
4.1 - 1
If