IBM PCjr

p
5. Set the system unit's Power switch to On.
6. Bring the advanced-test menu to your display screen.
7. Move the cursor to the diskette-drive symbol.
8. Press the Enter key.
9.
Enter the code word when you are prompted.
DO YOU HAVE " * " UNDER THE
DISKETTE-DRIVE SYMBOL?
The system board is bad. Replace it.
Reattach the original diskette drive.
Repeat advanced POST and the advanced
tests to ensure that the IBM PCy> is operating
correctly.
The problem has been corrected. Repeat
advanced POST and the advanced tests to
ensure that the IBM PCyr is operating
correctly.
Diskette Drive 3-600-23