Thanks for your reply. In the end I loaded Windows 10 in again, this time without any of my data and every thing is now fine and I have a fast clean system. My internal camera and recording mic are...

Loaded a free copy of Windows 10 a few days ago onto my old Dell insprion 1720 running Win7. All ok apart from setting up Cortana. Will not allow her to select my location. I am UK running...