Hi Graeme Edwards (graeme.edwards)"),
Thank you for reaching Microsoft Community. I'm sorry to hear about the video conferencing issue you experienced on your Surface Pro 7.
Regarding with the issue on the Surface Pro 7, have you tried disabling the hardware acceleration on the apps you used for video conferencing? If not yet, kindly try these steps:
For Microsoft Teams:
Open Microsoft Teams
Select the 3 dots icon on top
Select Settings
Under Application on the General tab, check the box next to Disable GPU hardware acceleration
Restart Microsoft Teams
For Zoom:
Open Zoom
Select your profile photo
Click on Settings and select Video
Go to Advanced
Disable the hardware acceleration for these options:
Video processing
Sending video
Receiving video
For the query on the Surface Pro 8, we do not have specific details on this but we welcome other Surface pro 8 users to share there experience here.
Hope this helps.