Then find and click 'Troubleshoot' > 'Enter Advanced Options' > click 'Startup Repair'. This will restart your computer or PC into recovery mode. Press Windows + R > shut down or sign out > keep the SHIFT key pressed > Click 'Restart'.
On the screen where you choose where to install win 10, if it gives you an error about GPT drives, delete all the partitions on the hdd and press next. Use the Windows Recovery Environment to Repair Windows 10 Stuck Issue. When you reach the screen asking for licence, click 'I don't have a key' and win 10 will continue to install and reactivate once finished
On another PC, download the Windows 10 media creation tool and use it to make a win 10 installer on USBĬhange boot order in BIOS so USB is first, hdd second Much faster really, achieves same effect as a full reset. If hdd light shows no activity, I would turn PC off and do a fresh install instead. Is the hdd activity light showing any action or does it just seem frozen? How big is the boot drive? If its several tb and only a hdd it might still be busy wiping drive.