click Start, then click Help and Support. Type screen resolution in the
Search box, then press E
Chapter 3: Troubleshooting
Make sure that the monitor cable is
connected to the video port on the back
of your computer.
Check the cable for bent or damaged
Reinstall the device driver.
Connect a monitor that you know works
to your computer.
The color is not uniform
Make sure that the monitor warms up for
at least 30 minutes before making a final
judgment about color uniformity.
The text on the display is dim or difficult to
Adjust the brightness and contrast
Change the display settings. For more
For more information about display types, see
your monitor and video card documentation.
For more information about changing the screen resolution,
The mouse does not work
Make sure that the mouse cable is
plugged in correctly.
Shut down and restart your computer.
Remove all extension cables and switch
Try a mouse you know is working to
make sure that the mouse port works.