Usb Fdd Troubleshooting; Procedure 1 Fdd Head Cleaning Check; Procedure 2 Diagnostic Test Program Execution Check - Toshiba Satellite U400 Maintenance Manual

2.5 USB FDD Troubleshooting

To check whether the USB FDD is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
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.
After connecting USB FDD, insert the Diagnostics Disk in the floppy disk drive. Turn on the
computer and run the test. And then clean the FDD heads using the cleaning kit. If the FDD
still does not function properly after cleaning, go to Procedure 2.
Detailed operation is given in Chapter 3, Tests and Diagnostics.
If the test program cannot be executed on the computer, go to Procedure 3.
2-22 Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual
Chapter2 Troubleshooting Procedures