Acer 420 manual

10.Audio CD Play Function Test

Put a music compact disc in CD-ROM drive. Click “Play” button that display on the LCD/or external CRT monitor to play the music disc. Then click on other function keys to test its functions. Click on “QUIT” to exit the testing.

11.Lid Switch Function Test

Please use the utility to test the Lid Switch Functioin.

Close the LCD to press “Lid switch” for testing. Then check if the LCD backlight is on or off.

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