Windows’ built-in antivirus, Windows Defender, is a capable program. Performing a full system scan to detect malware may help. Run a full system scanĬomputer viruses can cause issues on your PC, including HDMI connection problems. This video shows the solution of how to fix Windows 10 not detecting second monitor when connected through HDMI. Some users have reported that this has enabled them to activate their secondary displays. If it is not showing, try selecting and unselecting other options on the list.Ensure that your HDMI-connected display is showing.The process is identical with both manufacturers. When using a secondary display with your PC, go to either the NVIDIA or AMD graphics card control panel. Select ‘ Run this program in compatibility mode’ and choose Windows 7.Right click on the driver setup file and choose ‘ Properties’.Install the drivers in compatibility mode Visit your motherboard or graphics card brand’s website and download the drivers for free. Often, fixing these issues is as simple as installing the latest drivers. Select ‘ Delete the driver software’ and click ‘OK’.Related : How to Remount Ejected USB Drive Window 10 without "Unplugging" Right click on it and select ‘ uninstall’.Open ‘ Device manager’ and find the malfunctioning driver.To uninstall the driver, follow these steps: The default driver will then install itself. Use the default driver by uninstalling the current driver. In some cases, it is better to use the default driver to avoid issues with compatibility. The option is usually unclickable, as seen below: This will install the preceding version of the driver.Ĭlick on ‘ Properties’ and go to the ‘ Driver’ tab to find the ‘ Roll back’ option. Right click on the driver and select the ‘Roll back driver’ option. It will usually have an exclamation mark next to it. Open ‘ Device Manager’ then find the malfunctioning driver. Make sure to enable the ‘Show disconnected devices’ option so you can view all the devices connected to your computer. On the ‘Playback’ tab, select HDMI or your digital output device.Right-click on the volume icon on the taskbar.Otherwise, it will output into your computer’s headphones and/or speakers. You will be able to select HDMI as default when using an HDMI connection. Here are the steps to configuring the audio output when an HDMI cable is connected. If you are switching between sound on your PC and the sound on an external HDMI device, open the sound devices again to make sure the right output device is activated. This will change the sound to the appropriate devices. Select your HDMI output device by setting the default device.
If your HDMI device is not set as the default, HDMI output will be unavailable. Your PC typically only outputs sound to one audio device at a time. Related : Fix: Bluetooth Not working in Windows 10 after 21H1 Update Set your HDMI device as the default audio device
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