Check out these potential fixes for Oculus Rift S black screen problems

[Windows Central]

The Oculus Rift S is fairly new to the VR scene, and there are a few bugs that still need ironing out. One issue that has been plaguing users is a crash to a black screen in certain games and apps, which often requires a full unplug of the head-mounted display (HMD) from your PC to get it working again. Needless to say, this issue can seriously get in the way of your fun, but there are a few fixes you can try that may help you avoid the black screen problem.

Full story from the WindowsCentral blog...