Toshiba Satellite C650D Maintenance Manual page 52

2 Troubleshooting
Check 3 The ODD drive may be faulty. Replace the ODD drive with a new one
following the steps in Chapter 4. If the ODD drive is still not functioning
properly, perform Check 4.
Check 4 The system board may be faulty. Replace it with new one following the
instructions in Chapter 4. If the ODD drive is still not functioning properly,
perform Check 5.
Check 5 The memory may be defective. Replace the memory module with a new one
following the steps described in Chapter 4.
Satellite/Satellite Pro/C650D/C655D Maintenance Manual
2.8 ODD (Optical Disk Drive)
2-18