Toshiba Satellite A660-BT3G25X Maintenance Manual page 41

2 Troubleshooting Procedures
Does typed characters appear correctly?
Insert USB memory disk or CD ROM,
Then run the diagnostics test program.
Is the diagnostics test loaded?
Allow each test to perform
automatically
Is an error detected by any of the
diagnostics tests?
System is normal
SatelliteA660/ProA660 Series Maintenance Manual
A
Y e s
Y e s
Y e s
N o
End
Figure 2-1 Troubleshooting flowchart (2/2)
Perform the Keyboard
Troubleshooting procedures
N o
in section 2.6
Perform the USB memory
disk or CD ROM
N o
Troubleshooting procedures
in section 2.5
After confirming which
diagnostics test has detected
an error, perform the
Y e s
appropriate procedure as
outlined below.
7