Toshiba Satellite L670 Series Maintenance Manual page 125

3 Tests and Diagnostics
When you execute these set, you can press the related number to do.
For example: If you want to set MIC function, please press "1", the screen will display as below:
Please check related information to judge this unit whether has MIC function.
If this unit has MIC function, press "Y" then program will set MIC enable automatically as
below:
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Satellite L670/L675 / Pro L670 Series Maintenance Manual