Toshiba A1 사용자 설명서

The USB connector may be disconnected from the system board. Check visually that the 
connector is connected firmly. 

Check 1  Make sure the following cable and connector are firmly connected to the system 

board. 

システム基板

System Board

 

 

If any of the connections are loose, reconnect firmly and repeat Procedure 2. If 
there is still an error, go to Check 2. 

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. 

Check 3  Replace the system board with a new one following the steps in Chapter 4, 

Replacement Procedures.