Chapter 2 Troubleshooting Procedures
Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
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2.19 USB Troubleshooting
Geneve carries 3 USB port. To check if the computer’s USB port is malfunctioning or not,
follow the troubleshooting procedures below as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connect Check and Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Execute USB test in the USB test program.
If any error is detected by the test, go to Procedure 2.
Procedure 2
Connect Check and Replacement Check
USB is connected to system board. Disassemble the computer following the steps described in
Chapter 4,
Replacement Procedures
.
Check 1
Make sure USB cable is correctly and firmly inserted. If the problem still occurs,
perform Check 2.
Check 2
USB cable or USB device may be faulty. Replace it with a new one. If the problem
still occurs, perform Check 3.
Check 3
The system board may be faulty. Replace it with a new one following the
instruction in Chapter 4.