Computer randomly shuts down during Bitlocker prompt?
Solution 1
The cause of the random shutdown is due to some sort of conflict when the disk is formatted as GPT, hence booting through UEFI. Use MBR instead and it should solve the problem.
Exactly what the cause of this conflict is, I have not been able to find out.
Solution 2
Here is what worked for me, I disabled windows' "shutdown at boot feature". In a command prompt window (admin):
bcdedit /set {bootmgr} bootshutdowndisabled 1
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MatthewSot
Hey! I'm a student in California who loves to learn and play around with computers.
Updated on September 18, 2022Comments
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MatthewSot over 1 year
Recently I encrypted my main Windows drive with Bitlocker (no TPM, just password), but during the boot prompt to 'enter your Bitlocker password' the computer will shut down at a seemingly random time. As in, the computer starts up, I get prompted to enter in my password, after a few seconds (or sometimes a minute or so) it just shuts down as if someone had pulled the cord out of the back. If you get the password in fast enough, though it boots window fine without any problems.
Specs: I have an i7 4770k, 2x8 GB RAM, Windows 8.1 x64, and am encrypting a 2TB SSHD GPT hard drive with AES-256.
I assume Bitlocker doesn't keep logs of it's pre-boot activity, would that be correct? Has anyone had this problem before or know how to fix it?
And on a side note, anyone know of a good, preferably open-source disk encryption software for Windows 8.1 with GPT?
Thanks!
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user1984103 over 10 yearsIs the processor being properly cooled?
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MatthewSot over 10 years@Ramhound, it works some times, but I don't know if that's just it staying on longer or me getting the password in sooner or if it's actually working.
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MatthewSot over 10 years@DarthAndroid - I hope so, it's got an H80i that's never overheated. I've also disabled all overclocking (including Intel XMP) and it still halts randomly.
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MatthewSot over 10 yearsI'm gonna go ahead and decrypt the drive just in case this gets any worse, if anyone has a suggestion that could fix this I'll go ahead and re-encrypt it and try again.
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Marc05 almost 10 yearsI actually had this same problem about a year or so ago. I solved it by reinstalling Windows. Now that I've done a clean install again, the problem has come back. I troubleshot it for a good while last time with no luck. However, I do have some new ideas to try. I'll post on here if I have any success.
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Chiara Coetzee over 9 yearsI've also experienced this on a system with i7 4770K. I replaced the motherboard entirely with a MSI Z97-G45 motherboard and it didn't fix it. So far I've gotten around it by just rebooting over and over and typing my password as fast as I can. I don't know of any solution, but my system does not shut off in any other situation.
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User5910 over 6 yearsSimilar shutdown issue on StackOverflow: Bitlocker shut down my computer when I try to enter password.
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MatthewSot almost 10 yearsthat's pretty weird, thanks for the answer though. good to know what was actually the problem, somewhat surprised that this isn't more common of a setup.
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Robin Güldenpfennig over 4 yearsThis was the final solution for my problem. When the boot up was blocked more than 1 minute by the BitLocker screen my PC just restarted issuing several errors in the Event Viewer. The problem seems to be connected to the BIOS of the mainboard. In my case a MSI Z170A PC MATE. At least this is reported on several Microsoft Technet forums. However running this command in administrative Command Prompt solved the issue.