Procedure 3 Connector Check And Replacement Check - Toshiba PORTEGE M400 Maintenance Manual

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2 Troubleshooting

Connector Check and Replacement Check

The USB FDD connector may be disconnected from the connector on the System board.

Check visually that the connector is connected firmly.

Make sure the USB FDD cable is firmly connected to the CN4610 (port 6),

CN4611 (port 4) or CN4612 (port 0) of the System board.

If the connection is loose, reconnect firmly and repeat Procedure 2. If there is still

an error, go to Check 2.

The USB FDD may be defective or damaged. Replace it with a new one. If the

FDD is still not functioning properly, perform Check 3.

Replace the System board with a new one following the steps in Chapter 4,

Replacement Procedures.

[CONFIDENTIAL]

2.5 USB 3.5" FDD Troubleshooting

PORTEGE M400 Maintenance Manual (960-541)

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