Right click the desktop and choose personalize search for display settings and open up the display control panel check that the other display the hdmi tv is shown as secondary display when needed click detect to detect the new hdmi tv. Here s how you can do it.
Fix hdmi problems in windows 10 1.
How to get hdmi to work on windows 10. Take note of the hdmi input number it is being connected to. Check hdmi cable connection if hdmi not working issue happens to your computer you should check the hdmi cable connection at first. Scroll down till you locate the multiple displays section and then click on the detect button.
After turning on the device insert the second end of the cable into the hdmi in port on your monitor. If you are using an adapter connect that adapter to your computer. Connect one end of the hdmi cable into an available hdmi port on the tv.
Plug the other end of the cable into your laptop s hdmi out port or into the appropriate adapter for your computer. This is a simple method and has worked for many in cases of windows 10 not detecting hdmi monitor. If that is not that case then plug the cable in the port again making sure that it is not loosely fit.
With your pc connected to your hdmi tv monitor use the windows key p keyboard shortcut to launch. After about 10 minutes plug back the power cable and connect your computer again to other device with the hdmi cable. After inserting one end of the cable into your computer you need to turn on the external device that you are using as a display.
The computer screen will flicker and hmdi output will turn on and the device will display the output. You just need to disconnect all the hdmi cables and unplug the power cable. Here are a few things you can try to fix hdmi connectivity issues on windows 10.
Aoc usb monitor not working on windows 10 method 2 toggle between various projection options. Inspect the hdmi port connections and see if the cable is correctly fixed in the port. The windows 10 is designed to allow users to project visuals to a second monitor is diverse ways.