Troubleshooting Procedures
2.5USB FDD Troubleshooting
To check if 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
2.5.1 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.
PORTEGE M780 Maintenance Manual | [CONFIDENTIAL] |
