Toshiba M10 - Manual (Page 97)

2.12 Sound Troubleshooting 2 Troubleshooting Procedures
Satellite Pro M10 Series Maintenance Manual (960-431) 2-51
Procedure 3 Replacement Check
Check 1 If the stereo speakers don't sound properly, the stereo speakers may be defective or
damaged. Replace them with new ones. If the stereo speakers still do not work
properly, go to Check 3.
Check 2 If the internal microphone does not work correctly, the internal microphone may be
defective or damaged. Replace it with a new one. If the internal microphone still does
not work correctly, go to Check 3.
Check 3 The sound board may be defective or damaged. Replace it with a new one. If sound
functions still do not work correctly, go to Check 4.
Check 4 The system board may be defective or damaged. Replace it with a new one.