Toshiba Satellite A300 Maintenance Manual - Page 100

Procedure 3, Connector Check and Replacement Check, Replacement Procedures

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2 Troubleshooting Procedures Procedure 3 Connector Check and Replacement Check USB FDD is connected to USB port on system board and US board. US board is also connected to system board by cable. The connection of cable and board may be defective. Otherwise, they may be faulty. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures and perform the following checks. USB FDD can be connected to the following 4 ports on system board. Check 1 Make sure USB FDD is firmly connected to USB port. If the connection is loose, connect firmly and repeat Procedure 2. If the problem still occurs, go to Check 2. NOTE: When checking the connection, be sure to check it with care for the followings. 1. Cable can not be disconnected from the connector. 2. Cable is connected straight to the connector. 3. Cable is connected all the way seated in the connector. 4. Cable can not be broken. Satellite A300 Maintenance Manual (960-Q08) 24

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2 Troubleshooting Procedures
Satellite A300
Maintenance Manual (960-Q08)
24
Procedure 3
Connector Check and Replacement Check
USB FDD is connected to USB port on system board and US board. US board is also
connected to system board by cable. The connection of cable and board may be defective.
Otherwise, they may be faulty. Disassemble the computer following the steps described in
Chapter 4,
Replacement Procedures
and perform the following checks.
USB FDD can be connected to the following 4 ports on system board.
Check 1
Make sure USB FDD is firmly connected to USB port. If the connection is loose,
connect firmly and repeat Procedure 2. If the problem still occurs, go to Check 2.
NOTE:
When checking the connection, be sure to check it with care for the followings.
1.
Cable can not be disconnected from the connector.
2.
Cable is connected straight to the connector.
3.
Cable is connected all the way seated in the connector.
4.
Cable can not be broken.