What are the status of the files on the computer?
Had files been backed up to another drive or to the cloud?
Had a backup image been made and saved to another drive or to the cloud?
If a reset save files or equivalent were performed would that be a viable result? (reinstall drivers and applications)
If a reset remove files or equivalent were performed would that be a viable result? (delete files, reinstall drivers and applications)
Using a bootable widows 10 iso flash drive open command prompt > this should have title bar: Administrator: X:\Windows\system32\cmd.exe and prompt: X:\Sources>
Find a camera or smartphone camera to take pictures of the commands and results > post images into the thread using share links (one drive, drop box, or google drive)
Type these commands. (Comments will be in parenthesis.)
bcdedit /enum
bcdedit | find "osdevice"
diskpart
list disk
list volume
select disk 0
detail disk
list partition
select partition 1
detail partition
select partition 2
detail parition
select partition 3
detail partition
select partition 4
detail partition
select partition 5
detail partition
select disk 1
detail disk
list partition
select partition 1
detail partition
select partition 2
detail partition
select partition 3
detail partition
select partition 4
detail partition
exit
(View the results of the list volume command and identify the drive letter for the USB flash drive.)
copy c:/windows/system32/logfiles/srt/srttrail.txt X:
(replace X: with drive letter assign to USB flash Drive.)
(upload the results of the srttrail.txt into the thread)
C:
dir
D:
dir
E:
dir
chkdsk /r M:
(change the drive letter M: to the partition drive letter displayed in the earlier bcdedit | find "osdevice" command result)
(This may take many hours to run and typically displays ETA)
(Reboot as necessary to run the command)
(After the command completes reboot to check the boot)
(If there are problems with the boot then reopen command prompt)
sfc /scannow /offbootdir=M:\ /offwindir=M:\windows
(There is a space between \ and /)
(Change the drive letter M: to the partition drive letter displayed in the earlier bcdedit | find "osdevice" command result)
(This may take a while to run)
(After the command completes reboot to check the boot)
(If there are problems with the boot then reopen command prompt)
bootrec /fixmbr
bootrec /fixboot
bootrec /scanos
bootrec /rebuildbcd
(After the command completes reboot to check the boot)
(If there are problems with the boot then reopen command prompt)
Please take pictures of the above commands and results and post images into the thread.
Additional troubleshooting commands will depend upon the results of the above commands.