Same issue, I reduced the size of the UE4 window and it works. But if I full screen it again it goes black. I clicked off the window and it went back to normal.
I have an RTX 3080 on the latest driver. UE 4.26
Same issue, I reduced the size of the UE4 window and it works. But if I full screen it again it goes black. I clicked off the window and it went back to normal.
I have an RTX 3080 on the latest driver. UE 4.26