Toshiba A20-S259 Maintenance Manual - Page 83

2.5 FDD Troubleshooting 2 Troubleshooting Procedures 2 2.5 FDD Troubleshooting This section describes how to determine if the USB FDD is functioning properly. Perform the steps below starting with Procedure 1 and continuing with the other procedures as required. Procedure 1: FDD Head Cleaning Check Procedure 2: Diagnostic Test Program Execution Check Procedure 3: Connector Check and Replacement Check Procedure 1 FDD Head Cleaning Check FDD head cleaning is one option available in the Diagnostic Program. The detailed operation is given in Chapter 3, Tests and Diagnostics. Insert the Diagnostics Disk in the external floppy disk drive. Then 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. Satellite A20 Maintenance Manual (960-444) 2-33