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#31
If a computer can boot using the windows 10 iso then the advanced troubleshooting menu can be opened.
For example:
startup repair
system restore
command prompt
In command prompt various commands can be ran for troubleshooting.
etc.
A reset save files equivalent (reinstall drivers and applications) may be an option.
If files are backed up then a clean install is also an option.
It would be best to have the three tools so you could backup any important files, check the drive, and troubleshoot