Latest Win 10 version on my surface 6 Pro
I used the registry cleaner as always and in standard settings. All three cameras, front, rear, IR front where not recognized anymore after this clean.
It took me a five days to find out the cause (regestry cleaner ) and countless hrs with MS and surface support. Error report in the system devices for the three cameras had been code 10. Well known in the community. I reinstalled my entire PC only to find out after having done the entire setup, that when using the Registry clean in CCLEANER the camera would not function again. So I re- installed