Toshiba satellite a20 series Benutzerhandbuch

Check 1  If the speakers don't sound properly, the left or right speaker may be defective or 

damaged. Replace it with a new one. If the stereo speakers still do not work properly, 
go to Check 3. 

Check 2  If the external microphone or the headphone does not work correctly, the cable or the 

sound board may be defective or damaged. Replace it with a new one. If the external 
microphone or the headphone still does not work correctly, go to Check 3. 

Check 3  The system board may be defective or damaged. Replace it with a new one.