OBS Studio won't load - GPU not supported

[guthrie]

OBS Studio, current release 34.0.1),
Installed on Windows-11 Home

HP Spectre x360
Display Adapters:
Intel Arc A370M Graphics
Intel Iris Xe Graphics

Gives message:

Failed to Initialize Video
Required graphics API functionality not found.
Your GPU may not be supported.

DxDiag (DirectX Diagnostics) gives:
DirectX Version: DirectX 12

What can I do?

 

[guthrie]

Hmm,
after a reboot, it was all OK.