Monitors - Troubleshooting a Blank Monitor (PC)

Troubleshooting steps to take if there is no image on the monitor screen.

1. Make sure the computer is turned on – It should show a light in the front. If there is no light, push the power button.

2. Make sure the monitor is turned on – it should show a light on the power button, generally in the lower right corner power button

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3. Make sure that the correct video input is selected. On Dell monitors, the power light will be green or blue.
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  • On some monitors, the Menu screen will show a button for Input Source.

 to select "Input Source" on the screen.


4.Make sure there is not a physical problem with the connection between the computer and the monitor.
(On Dell monitors, the power light will be yellow or orange.)
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5. If the monitor remains blank, request additional assistance.

See also:

Tech Service Desk

Room A184, 217-353-3333

Fall/Spring: 7:30 a.m. - 6:00 p.m. M-Th. / 7:30 a.m. - 5:00 p.m. Fridays

Summer: 7:30 a.m. - 6:00 p.m. M-Th

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