Projector Not Showing Computer Screen | Troubleshooting Tips

Projector Not Showing Computer Screen

If you’re trying to use a projector to display your computer screen and Projector Not Showing Computer Screen, it can be frustrating and disrupt your presentation or work. There are a few potential reasons why a projector may not be showing the computer screen.

Projector Not Showing Computer Screen | Troubleshooting Tips

In this article, we’ll go over some troubleshooting tips to help you show the computer screen on projector.

Check the Connection

The first thing you’ll want to do is to make sure the projector is properly connected to your computer. Depending on the type of projector you have, you may be using a VGA, HDMI, or another type of cable to connect the projector to your computer.

Double-check that the cable is securely plugged into both the projector and the computer, and ensure that it’s not damaged or frayed. You may also want to try using a different cable if you have one available, as sometimes a bad cable can cause issues with the connection.

Make Sure the Projector is Turned On and Set to the Correct Input

Next, you’ll want to verify that the projector is turned on and set to the correct input. Depending on the projector, you may need to use the remote control or the buttons on the projector itself to change the input.

For example, if you’re using an HDMI connection, you’ll want to make sure the projector is set to the HDMI input. If the projector is set to the wrong input, it won’t be able to display the computer screen.

Check the Computer’s Display Settings

If the projector is connected and set to the correct input, the next step is to check your computer’s display settings. Make sure that the computer is set to “duplicate” or “extend” the display, rather than using the projector as a “second monitor.”

To do this on a Windows computer, go to the Control Panel, click on “Display,” and then select “Change display settings.” From there, you can choose whether you want to duplicate or extend the display. On a Mac, go to System Preferences and click on “Displays.”

Update the Projector’s Firmware

In some cases, a projector may not be showing the computer screen because it’s using an outdated version of the firmware. Updating the projector’s firmware can fix this issue.

To update the firmware, you’ll need to check the manufacturer’s website for instructions. Some projectors will have a built-in feature that allows you to update the firmware directly from the projector, while others may require you to use a computer to perform the update.

Contact the Manufacturer

If none of the above steps have resolved the issue and your projector is still not showing the computer screen, it’s possible that there’s a problem with the projector itself. In this case, you may need to contact the manufacturer for further assistance.

They should be able to provide you with additional troubleshooting steps or, if necessary, repair or replace the projector.


If you are experiencing issues with your projector not displaying the computer screen, there are a few potential causes and solutions you can try. First, check to make sure the cables between the computer and projector are securely connected. If the cables are connected but the projector still isn’t displaying the screen, try adjusting the resolution settings on both the computer and projector to match.

If those solutions don’t work, there may be a problem with the projector or the computer itself, in which case it may be necessary to seek technical support or consider replacing the faulty device.

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Projector Not Showing Computer Screen | …

by Asheer Raza time to read: 2 min