LowLevelFatalError

I keep getting this crash and ive tried all methods of fixing it. Ive tried uninstalling and reinstalling, Repairing game but to no avail.

LowLevelFatalError [File:Unknown] [Line: 684] hr failed at D:/dev/c6c5e897ba514bad/ue4/Engine/Source/Runtime/D3D12RHI/Private/D3D12Resources.cpp:477 with error DXGI_ERROR_DEVICE_REMOVED with Reason: DXGI_ERROR_DEVICE_HUNG