Figure 2-1 Troubleshooting Flowchart - Toshiba Satellite L670D Maintenance Manual

Procedures
Does typed characters appear correctly?
Insert USB memory/CD disk,
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
Satellite L670/L675/ProL670 Series Maintenance Manual
iii
A
Yes
Yes
Yes
No
End

Figure 2-1 Troubleshooting flowchart (2/2)

2 Troubleshooting
Perform the Keyboard
No
Troubleshooting
procedures in section 2.4
Perform the USB memory/
CD disk
No
Troubleshooting
procedures in section 2.5
After confirming which
diagnostics test has
Yes
detected an error, perform
the appropriate procedure
as outlined below.
[CONFIDENTIAL]
2-