Screen Blacks out while working in 3d
If you are using an Nvidia driver.
Try installing the latest driver.
Please set Environment Variable QV_D3DVERSION = 9 ,
From Control panel > System and Security >System >Advance system settings >Environment variable
add new variable QV_D3DVERSION with value 9 , it will set direct X version to 9 instead of 11
set variable in System variable option.