Toshiba T4900CT Manual page 41

2.5 Floppy Disk Drive Troubleshooting
This section describes how to determine if the T4900CT's internal 3.5-inch floppy disk drive
is functioning properly. Perform the steps below starting with Procedure 1 and continuing
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. Detailed operation is
given in Chapter 3, Tests and Diagnostics.
After loading Toshiba MS-DOS, run the Diagnostic Program and then clean the FDD heads
using the cleaning kit. If the FDD still does not function properly after cleaning, go to Proce-
dure 3.
If the test program cannot be executed on T4900CT, go to Procedure 2.
2-24
FDD Head Cleaning Check
Diagnostic Test Program Check
Connector Check and Replacement Check
T4900CT