Acer 420 manual

4.Touchpad and USB Mouse Test

This utility can test touchpad and USB ports.

The three USB ports locate on the right panel. Please insert a USB mouse to USB port 1, port 2 and port 3. As you run the testing utility, please test port 1 and port 2 first. Move the mouse and click the left and the right button to test its functions. After USB port 1 and port two have been checked, please insert the mouse to the third USB port for testing. Move the mouse and click the right and the left button to see if it works fine.

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USB Port 1	USB Port 2	USB Port 3
5. Video Model (R. G. B.) Test

Use the utility to test LCD color(red, green, blue, white, black) mode. Please press “Enter” key to continue each color display.

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6.Internal Keyboard Test

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