I also use Quest 3 and VDXR and use the following start sequence:
- start VD streamer on PC (if not running)
- start VD in Quest 3
- start MSFS from VD Windows screen in Quest 3
- click or key CTRL+ALT+V as shown for VR switch at MSFS screen bottom
I also use Quest 3 and VDXR and use the following start sequence: