Toshiba M40 - Manual (Page 57)

2.8 ODD Drive 2 Troubleshooting
EQUIUM M40/M45/Satellite M40/M45 Maintenance Manual 2-19
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. If the problem persist,
perform Check 6.
Check 6 The memory may be defective. Replace the memory module with a new
one following the steps described in Chapter 4. If the problem persist,
perform Check 3.