Toshiba Satellite L670D Maintenance Manual page 63

Procedures
Procedure 4 Connection check and replacement check
The optical drive connects to the system board. The drive may be disconnected, or the drive
or system board may be damaged. Disassemble the computer following the steps described in
Chapter 4, Replacement Procedures, and perform the following checks:
Check 1 Make sure the drive is firmly connected to the system board. If the connection is
good and there is still an error, go to Check 2.
Check 2 The drive or drive cable may be defective or damaged. Replace each with a new
one following the steps in Chapter 4, Replacement Procedures. If the drive is still
not functioning properly, perform Check 3.
Check 3 The system board may be damaged. Replace it with new one following the
instructions in Chapter 4, Replacement Procedures.
[CONFIDENTIAL]
Satellite A130/A135 /Satellite Pro A130 Series Maintenance Manua
2 Troubleshooting