Usb Troubleshooting - Toshiba Satellite A665 Series Maintenance Manual

2Troubleshooting Procedures
2.20 USB3.0 Troubleshooting
No
To determine if the computer's USB3.0 system is functioning properly, perform the following
procedures. Figure 2-19 outlines the process. Start with Procedure 1 and continue with the
Satellite A660/A665 Series Maintenance Manual
START
Perform USB3.0 device check
(Procedure 1)
Is USB3.0 transmission ok?
Yes
Perform diagnostic check
(Procedure 2)
Was an USB3.0 problem detected?
Yes
Perform connection and replacement check
(Procedure 3)
Replace system board
END
Figure 2-19 USB3.0 troubleshooting process
USB3.0 port and
transmission are not
No faulty. Continue
troubleshooting - refer
to Figure 2.1
48