Acer 420 Laptop User Manual


 
Chapter 2 55
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
SG_TM420_Ch2.fm Page 55 Thursday, September 26, 2002 9:40 AM