If this happens often consider getting locks for your hdmi cables or self locking cables.
Hdmi cable not connecting to computer.
If not you need to replace the hdmi cable.
Click the icon that resembles a gear to open the settings menu.
Click the start menu on your pc.
You should check whether hdmi cable is correctly inserted on your pc and monitor tv.
Purchase the right sized hdmi cable to connect your pc to your tv.
Make sure the cable is tightly fitted at both ends.
Hdmi connections don t fit as tightly as a component or composite video connection and sometimes slip out.
Check the hdmi cable to see if there are any physical damages.
Unplug the hdmi cable from your computer tv reboot your computer and reattach the cable.
You can easily do it by using the cable to connect another pc with its monitor or tv.
Connect the hdmi cable from the hdmi port on your pc to a free hdmi port on your tv.
Use the tv remote to select the hdmi port connected your pc as the video source.
Check the hdmi ports of your input and output devices.
Check hdmi cable connections.
If you re not getting an image on screen at all try unplugging the hdmi and plugging it back in with the tv on and if that doesn t work leave it all plugged in but turn the tv off then on.