Question Working M.2 Loses OS, Can't Boot, Can Access: Can it be Saved?

Jan 1, 2022
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Hey Folks!

Recently I did a forced shut down on my PC. I restarted and found that the M.2 Samsung 980 Pro I use was not able to boot windows and would bluescreen with code 0xc000000e, or 0xc000000f if I remove all other drives . Serious panic ensues due to impressively bad timing. I performed some troubleshooting, testing the various drives I am using, and tried varied methods. None have worked thus far but I have a better picture of what I am dealing with, here's the facts:

Win10... something recent, updated within the past 30 days IIRC
MSI Z170A Krait mobo
1 TB Samsung 980 Pro
250 GB Samsung 850 EVO

I originally suspected that either the M.2 slot or card had some physical damage BUT the card is both recognized in the BIOS, a selectable option in the boot menu, and read/write-able in a copy of windows I have on the 850 EVO (not to mention that I can freely interact with it in disk manager). View: https://imgur.com/a/bWJmOkc


On first start up there seemed to be some file repair attempts while on the logo screen prior to loading Windows, this happened a couple of times but seems to have stopped. Attempts to run Bootrec /fixboot lead to access problems which when I tried to fix through some tutorial comes up with nothing. Details are a bit fuzzy as I've done much troubleshooting so I can't recall what the error response was; something along the lines of there is "no such drive/os/directory".

chkdsk /r turns up no detectable corruption but stops short with "failed to transfer logged messages to the event log with status 6".

All my attempts at restoring or repairing the OS ends in either looping through repair windows or redirection to repairing. Startup repair just fails, returning a message along the lines of "it can't be done". I know the USB works as I used it to repair the windows on my 850 EVO currently being used to operate the PC.

It seems that the OS has either completely or partially disappeared from my drive. I am slowly coming to the conclusion that the only thing to be done is to attempt windows install on the M.2 and while this isn't the end of the world it is a less-than-optimal restoration of function. I have some data in sticky notes that I can't seem to find and would dearly like that back. Any ideas for restoring the OS or some way to deal with the re-install while minimizing loss of data/function?

Cheers and Happy 2022!
 
Hey Folks!

Recently I did a forced shut down on my PC. I restarted and found that the M.2 Samsung 980 Pro I use was not able to boot windows and would bluescreen with code 0xc000000e, or 0xc000000f if I remove all other drives . Serious panic ensues due to impressively bad timing. I performed some troubleshooting, testing the various drives I am using, and tried varied methods. None have worked thus far but I have a better picture of what I am dealing with, here's the facts:

Win10... something recent, updated within the past 30 days IIRC
MSI Z170A Krait mobo
1 TB Samsung 980 Pro
250 GB Samsung 850 EVO

I originally suspected that either the M.2 slot or card had some physical damage BUT the card is both recognized in the BIOS, a selectable option in the boot menu, and read/write-able in a copy of windows I have on the 850 EVO (not to mention that I can freely interact with it in disk manager). View: https://imgur.com/a/bWJmOkc


On first start up there seemed to be some file repair attempts while on the logo screen prior to loading Windows, this happened a couple of times but seems to have stopped. Attempts to run Bootrec /fixboot lead to access problems which when I tried to fix through some tutorial comes up with nothing. Details are a bit fuzzy as I've done much troubleshooting so I can't recall what the error response was; something along the lines of there is "no such drive/os/directory".

chkdsk /r turns up no detectable corruption but stops short with "failed to transfer logged messages to the event log with status 6".

All my attempts at restoring or repairing the OS ends in either looping through repair windows or redirection to repairing. Startup repair just fails, returning a message along the lines of "it can't be done". I know the USB works as I used it to repair the windows on my 850 EVO currently being used to operate the PC.

It seems that the OS has either completely or partially disappeared from my drive. I am slowly coming to the conclusion that the only thing to be done is to attempt windows install on the M.2 and while this isn't the end of the world it is a less-than-optimal restoration of function. I have some data in sticky notes that I can't seem to find and would dearly like that back. Any ideas for restoring the OS or some way to deal with the re-install while minimizing loss of data/function?

Cheers and Happy 2022!
maybe @SkyNetRising could help you to rebuild the bcd? afaik you need a bootable windows installation to do this, as how i did this before is by the tutorial he gave and it worked on me.