IBM PCjr

1. Set the system unit's Power switch to Off.
2. Remove the diskette drive.
3. Turn the diskette drive on its back and check the
diskette-drive drive belt.
IS THE DRIVE BELT INSTALLED ON THE
PULLEYS AND IN GOOD CONDITION?
Replace the diskette-drive drive belt.
Repeat advanced POST and the advanced
tests to ensure that the IBM PCyr is operating
correctly.
3-600-12 Diskette Drive