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Windows 7: Reinstalling Windows7 on pc which isn't booting with Bitlocked drives

21 Jul 2013   #1
Sakar Thapa

Windows 7 Ultimate x86
 
 
Reinstalling Windows7 on pc which isn't booting with Bitlocked drives

My laptop suddenly crashed yesterday and when I restarted it, it says "windows failed to load because the system registry file is missing or corrupt" error 0xc000009 . I tried to do System Repair using Windows 7 CD but since 2 of my drives (not the C system drive but E & F drives that I had previously partitioned), it asked me for the bitlocker key. Unfortunately, I lost the flash drive I had my keys saved on. So I was thinking of fully re-uninstalling Windows if that is possible. But I want to make sure that the 2 drives E & F will be normally usable by unlocking those drives using the password since I have 2 years of my works there and I have no back up of those files. So, if I re-installed Windows, do I have to take the risk of having to format those 2 drives afterwards? I don't even know how I got this error in the first place. I hadn't messed with any files on the C drive at all.
Nervously waiting for help.


My System SpecsSystem Spec
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23 Jul 2013   #2
gregrocker

 

I know of no way to recover your files if you lose your Bitlocker key.

To try on the OS HD Troubleshooting Windows 7 Failure to Start or to do a Clean Reinstall you should unplug all other HD's anyway, so whether you later format them is a separate issue.

The lesson here is obviously to have a backup of both your files and your encryption key. BitLocker Drive Encryption - Unlock a Locked OS Drive
My System SpecsSystem Spec
23 Jul 2013   #3
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by Sakar Thapa View Post
"windows failed to load because the system registry file is missing or corrupt" error 0xc000009 .
Try System Restore so go back in time.
Also possible by tapping F8 at boot=>repair your computer. Advanced Boot Options
My System SpecsSystem Spec
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24 Jul 2013   #4
Sakar Thapa

Windows 7 Ultimate x86
 
 

Thankful for the help. I don't exactly know what I did but I'm fine for now. Do you guys know how I can regenerate the bitlocker key files?
My System SpecsSystem Spec
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 Reinstalling Windows7 on pc which isn't booting with Bitlocked drives




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