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BSOD 0xc000021a, No safe mode, reinstall or reset.
Ok. This is the furthest I've seen a computer go, and I don't have much hope left.
My brother has a laptop (~4 yrs old). The battery went bad a couple of years ago, and so it now need to be plugged in all of the time. The laptop was asleep when he unplugged it to move it, and when he opened the lid again, it had shut down (very likely because it died). Upon starting it, he got the BSOD and 0xc000021a error code.
The startup repair couldn't fix his problem. Two restore points he had on the system from installing DirectX a few days earlier didn't work. I tried entering safe mode, no luck. Now thinking I was at a last resort, I tried to refresh Windows, keeping his files but removing all the installed programs. I got a message at around 60% telling me Windows encountered a problem and couldn't complete the procedure. Same deal with the full reset. At this point, a reboot greeted me with "No operating system could be found".
I got a large USB and made it into a recovery drive, checking the box that said to include OS files or something (can't remember the exact wording). I tried again using startup repair, then reinstalling windows.
Shockingly, no luck. It failed once again.
A big thankyou in advance!
Last edited by DrGlick; 26 Dec 2015 at 17:03.