Monitor not working after Windows 10 update (fix)

Whether your main monitor or the second monitor is not detected, the monitor has no signal, the monitor is out of range, the monitor does not turn on, the monitor will not display, or the monitor will not work after Windows 10 update You are certainly not alone with the problem and here is how to fix it.

The monitor does not work or the undetected problem is usually due to sudden driver changes (monitor driver and video card driver), cable failure, or monitor failure. If that happens immediately after a Windows update, it is most likely a driver software bug.

Solution: monitor does not work after Windows 10 update

Here are some solutions you can follow to fix your monitor problem. You certainly don’t have to follow all of them, but you can work your way up to finding one that works.

Reconnect the monitor and restart your computer

For a monitor that suddenly stopped working, the first thing to try is to disconnect the monitor cable from your CPU and reconnect it. Then restart your computer to allow Windows to automatically detect and install the monitor.

If that doesn’t work, go to the next solution.

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Reinstall the monitor and video driver

To install any drivers, you must have at least visual on your Windows 10, which means that you will need a replacement monitor to be able to apply fixes if it is your main monitor that is not working after Windows 10 update. If your second monitor does not detects, just use your primary monitor to troubleshoot.

The monitor generally doesn’t need a specific driver installation unless you’re using a rare, exotic monitor that Windows can’t recognize. Windows is able to automatically detect and install the correct driver for your monitor. Anyway, if you have a Drivers CD or if you know where download your monitor driver from your manufacturer’s website, go ahead and see if it fixes the monitor not working after update problem.

However, as for the video controller, it is very common for the Windows update may break the video driver if you have a specific configuration for your computer. Just so you know, if you apply a Windows update on Windows 10, Windows will first detect which video card you are using and try to install the best supported driver from your Windows driver repository and will override your existing controller .

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If you are using an older video driver or any specific version of the video driver, you may want to reinstall the driver, since it was probably aborted by the windows update. If you are using an Nvidia or ATI graphics card, it is better download the latest driver for your graphics card manually from their website, respectively.

To update your monitor or video driver, follow the steps below.

  1. Go to the start menu.
  2. I searched Device Manager and open it.
  3. Expand the category Monitor .
  4. Right click on your monitor and select Update driver .
  5. As for the graphics card driver, expand Display adapters .
  6. Right click on your graphics card and select Update driver .

If your monitor was not installed, it will appear as an unknown monitor with an exclamation point in device manager. If that’s what you see, updating it should fix the monitor not working after the update error.

Uninstall the monitor and video driver

If the driver update doesn’t work, you can try uninstalling the driver and allowing Windows to automatically detect and install the correct driver for you.

Go back to device manager as above, right click on your monitor. Instead of selecting Update Driver, select Uninstall driver . Note that you should only uninstall your second monitor if you have a currently working primary monitor. If you mistakenly uninstall your main monitor, both will go blank and you will have trouble troubleshooting further problems.

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Once the uninstall is done, restart your computer. Windows 10 will be able to automatically detect and install the proper driver for your monitor on the next reboot.

Check your HDMI, DP, DVI or VGA cable

If nothing works, the problem may be due to a hardware failure. The cable is one of the most common reasons why a monitor does not work.

Check your HDMI, DP (Display Port), DVI or VGA cable if you are using any of these. Try temporarily replacing it with a cable that works from your primary monitor or another computer to check if it is the cable that is causing the problem.

If the cable is shown to be working fine, then it can make its way to your monitor. Test your monitor on another computer. If it doesn’t work right, it could mean the monitor is faulty.

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