User Guide

2 Troubleshooting Procedures
Satellite/Satellite PRO T230D Series Maintenance Manual
19
2.6 External USB Devices Troubleshooting
Replace system board
(Procedure 2)
END
O riginal U S B
device is
faulty
Perform external device
and connection check
(Procedure 1)
START
Does the device function
correctly w hen
connected to a different
USB port?
D oes an alternative U SB
device function correctly?
No
Yes
No
Yes
Figure 2-5 External USB device troubleshooting process