hi Gary, cannot boot from win10 iso on a usb flash and cannot boot from win10 iso on dvd. Can't access bios to set booting order

I mounted the drive back into the desktop pc and from the command prompt I see this:


x:\windows\system32>


if I type in C: , I get this:


"The system cannot find the drive specified."

I have this bad drive mounted to another computer via usb.

I can access cmd and tried your instructions and got this response.

Error 87:
The restorehealth option is not recognized in this...

this desktop is stuck in a bootloop after an automatic window 10 update

"reset this pc" tells me the drive is locked

system restore does not work.... "need to specify which installation to...

Pulled this C drive from my windows 10 computer (which is stuck booting) and have plugged it into the usb on another windows 7 computer

want to unlock and remove security so that I can then do a...