Clear and reset the external display cache in Windows 10. If you're having trouble with external monitors in Windows 10, it might be time to clear your display cache. We'll teach you how to do it in this video. Before we begin, be sure to subscribe to Ninja One's IT Video Hub and our YouTube channel for more tech content like this. What are display caches? Display caches are background data that Windows 10 uses to remember, monitor settings, resolutions, and external display configurations. They help reconnect displays faster with the right settings. However, these caches can sometimes cause issues like incorrect screen resolutions or external monitors not being detected. Why you might need to reset the display cache. Resetting the display cache can fix several common problems such as monitor detection failures, incorrect display settings, unsaved preferences, issues with multi-monitor setups and flickering slash black screens or display glitches. How to clear and reset the external display cache. Method one registry editor before you proceed. Be cautious. Editing the registry can affect system stability. Always back it up first. Now onto the steps. First press Windows plus R type rejet and press control plus shift. Plus enter. Navigate to this location, which is your display cache and delete all sub keys here. Go to these locations and delete all sub keys in them as well. Finally, restart your PC method two. File explorer, open file explorer as an administrator and navigate to delete all display related cache files here and press windows plus control. Plus shift plus B to reset graphics. Then restart your PC method three. Device manager first press windows plus x. To open the device manager, right click your graphics card and click uninstall device. Check the option, delete the driver's software for this device and click uninstall. Finally, restart your PC and windows will reinstall default drivers Troubleshooting After a reset if issues persist After you're resetting their display cache, here's what you can do next. Use a different cable or port HDMI display port VGA manually. Adjust your resolution in display settings. Rearrange the display layout under settings system display, or ensure that your monitor's input source is correct. Display caches are useful but they can cause trouble resetting them. Can solve stubborn display issues. Just remember to proceed with care and always back up your settings. For more information, check out our official blog post on resetting your external display cache linked in the description below.