Experiencing issues with your Dell monitor randomly going black or experiencing intermittent screen blanking? Let’s explore some possible reasons and solutions.

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Checking Video Cables and Ports

Check the video cables connecting your Dell monitor to the computer. Make sure they are securely plugged in at both ends to ensure a stable connection.

If you are using a VGA connector, try switching to an HDMI cable for a better quality signal. Make sure the ports on both the monitor and the computer are clean and free from dust or debris to prevent any interference.

If the issue persists, consider testing the monitor with a different device, such as a MacBook or a personal computer, to see if the problem lies with the monitor or the computer itself.

Adjusting Computer Power Settings

To adjust your computer’s power settings, right-click on the Start button and select “Power Options.” From there, you can adjust the power plan settings to prevent the screen from randomly going black. Make sure to disable any sleep or hibernation settings that may be causing the intermittent screen blanking. Additionally, consider updating your graphics drivers to ensure optimal performance.

Updating Graphics Drivers

Dell monitor with a black screen

  • Check for Updates:
    • Go to the manufacturer’s website or use a driver update software to check for the latest graphics driver updates.
  • Download and Install Updates:
    • Download the latest graphics driver that is compatible with your system.
    • Follow the installation instructions provided by the manufacturer to install the driver.

Resetting Monitor to Factory Settings

Dell monitor factory reset button

To reset your Dell monitor to factory settings, first make sure it is turned off. Then, locate the menu button on the monitor and press it. Use the navigation buttons to find the “Factory Reset” option. Select it and confirm the reset. Once completed, power the monitor back on to see if the issue persists. If the problem continues, consider checking the connections and trying a different cable or port.


Why does my Dell monitor randomly go black and come back on?

Your Dell monitor may randomly go black and come back on due to loose connections with your cables or outdated drivers causing compatibility issues. Make sure your cables are properly connected and securely plugged in, and consider updating your drivers to resolve the issue.

Why does my monitor keep blacking out and coming back on?

Your monitor keeps blacking out and coming back on likely due to an issue with the connection. This could be caused by loose, poorly fitted, or damaged cabling, as well as outdated or corrupted drivers.

Why does my screen turn black randomly?

Your screen turns black randomly because it could be caused by issues with the monitor, the cable connecting the monitor to the computer, or the video card’s drivers. Start by checking the VGA/HDMI/DVI cable connecting your monitor to your pc.

Why is my Dell monitor turning on and off?

Your Dell monitor may be turning on and off due to a loose power cable. Try unplugging and securely plugging the cable back in to ensure it fits snugly.

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