It also allows using the gyro to control your mouse and remap the special buttons (SL, SR, Capture) to key bindings of your choice. If you have multiple monitors on the host computer, Parsec may be choosing the wrong monitor to stream.This might cause a black screen if that monitor is not plugged into your GPU directly. You can switch your monitor quickly via Parsec's settings on the host, or you can use the Windows Key + P and press the down arrow twice to duplicate all.