Toshiba 650CT Maintenance Manual page 39

2.5 Floppy Disk Drive (FDD) Troubleshooting
This section describes how to determine if the computer's 3.5-inch external floppy disk drive
(FDD) is functioning properly. Perform the steps below starting with Procedure 1 and con-
tinue with the other procedures as required.
Procedure 1:
Procedure 2:
Procedure 3:
Procedure 1 FDD Head Cleaning Check
FDD head cleaning is one option available in the Diagnostic Program. A detailed operation
is given in Chapter 3, Tests and Diagnostics.
Insert the Diagnostics disk in the computer's floppy disk drive, turn on the computer, and run
the test.
Clean the FDD heads using the cleaning kit. If the FDD still does not function properly after
cleaning, go to Procedure 3.
If the test program cannot be executed on the computer, go to Procedure 3.
650CT
FDD Head Cleaning Check
Diagnostic Test Program Execution Check
Connector Check and Replacement Check
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