Glitch when trying to enter fullscreen from windowed mode

Hi, I am a very new to UE4, and I have recently encountered a problem. (Windows 10)

When I try to test my game and use the “Standalone game” play option everything works fine in the windowed part, but when I press F11 to try and go into fullscreen mode, my screen starts to glitch across the entire screen. I have tested this issue on two different screens and computers, and they both show the same issue. I tried to record the issue on my computer, but it did not show the problem, so I recorded it on my Iphone to show the issue. I have tried to see if anyone else has reported the same issue, but I have not seen anything like my problem.

If anyone can help it would be much appreciated.

Vid link: Glitch UE4 fullscreen - YouTube

I start the video off in windowed mode and at 0:11 mark I press F11 and enter fullscreen mode and the glitch can be seen across the screen in the middle.

if it’s in the engine then okay, but if the same problems arise during compilation, go to Project settings

maybe you turned off something

Turn on vsync.

323074-screenshot-1.jpg

Yep this worked, thank you so much.