Toshiba T2000 Maintenance Manual page 36

Non-System disk or disk error
Replace and press any key when ready
Procedure 2
Format Check
Format a floppy disk using the Toshiba MS-DOS FORMAT command.
If the floppy disk does not format correctly, perform the following checks.
Check 1 Make sure the FDD indicator lights. If it does not light, refer to Procedure 4. If it
lights, refer to Check 2.
Check 2 Make sure the Toshiba MS-DOS FORMAT command was used correctly.
When the media type is 2DD, use the FORMAT/3 command.
When the media type is 2HD, use the FORMAT command.
If the FORMAT command was used correctly, refer to Check 3.
If the FORMAT command was not used correctly, try again. If the problem still
exists, refer to Check 3.
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