IBM Personal Computer AT Manual To Operations page 276

1
Is your screen similar to the one shown below?
The IBM Personal Computer
DIAGNOSTICS
Version 3.00
(C) Copyright IBM Corp.
1981. 1982. 1983. 1984
SELECT AN OPTION
o -
SYSTEM CHECKOUT
1 - FORMAT DISKETIE
2 - COpy DlSKETIE
3 - PREPARE SYSTEM FOR MOVING
4 - SETUP
9 - END DIAGNOSTICS
SELECT THE ACTION DESIRED
1­
YES Press 1 to select FORMAT DISKETTE.
Then, press Enter
(.-J).
Go to Step 2.
NO Remove the diskette and verify that:
• It is the Diagnostics diskette.
• It is inserted correctly.
If the Diagnostics diskette is the problem, start
again with step 1 "Loading Your Diagnostics
diskette".
If the Diagnostics diskette was inserted correctly
have your system unit serviced. Be sure your
Key Lock key is with your system unit.
2-32 Diskette Format Procedure