Toshiba satellite a20 series Benutzerhandbuch

This section describes how to determine if the computer's sound functions are functioning 
properly.  Perform the steps below starting with Procedure 1 and continuing with the other 
procedures as required. 

Procedure 1:  Diagnostic Test Program Execution Check 
Procedure 2:  Connector Check 
Procedure 3:  Replacement Check 

The sound test program is stored on the computer’s diagnostic disk.  Insert the Diagnostics disk 
in the external floppy disk drive. Then turn on the computer and run the test. Refer to Chapter 3, 
Tests and Diagnostics, for details. 

If an error is detected, go to Procedure 2.