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Windows 7: System Unbootable, error: stop: c000021a

12 Aug 2012   #11
Kaktussoft

Microsoft Community Contributor Award Recipient

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

Code:
 
reg  load  HKLM\Mywin7  d:\windows\system32\config\system
Now:
regedit
and browse to HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices post camshot with fieldname and data fully visible.
browse to HKEY_LOCAL_MACHINE\Mywin7\MountedDevices and post camshot as well. This one is part of your win7 regsitry that doesn't know what partition is called C. We have to fix that. Do you see \DosDevices\C: in second camshot? If so has it the same value as \DosDevices\D: in first screenshot?

Sorry have to go. I'll respond on tuesday


My System SpecsSystem Spec
.
12 Aug 2012   #12
technomann

Windows 7 64-bit
 
 

Quote   Quote: Originally Posted by Kaktussoft View Post
Quote   Quote: Originally Posted by technomann View Post
I re-sized the C partition with the space I recovered from the recovery partition and moved everything over.
Was the recovery partition located in front of or located after win7 partition?
What do you mean by saying "and moved everything over"?
I used EASEUS Partition Master 5 to delete the recovery partition, which was in front of the C: partition, then "move data" over into the recovered space...
My System SpecsSystem Spec
13 Aug 2012   #13
Kaktussoft

Microsoft Community Contributor Award Recipient

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

Quote   Quote: Originally Posted by technomann View Post
Quote   Quote: Originally Posted by Kaktussoft View Post
Quote   Quote: Originally Posted by technomann View Post
I re-sized the C partition with the space I recovered from the recovery partition and moved everything over.
Was the recovery partition located in front of or located after win7 partition?
What do you mean by saying "and moved everything over"?
I used EASEUS Partition Master 5 to delete the recovery partition, which was in front of the C: partition, then "move data" over into the recovered space...
So you simply resized the partition, adding the unallocated space to the left of it.
My System SpecsSystem Spec
.

13 Aug 2012   #14
Kaktussoft

Microsoft Community Contributor Award Recipient

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

Quote   Quote: Originally Posted by Kaktussoft View Post
From Recovery environment->command prompt:
dir c:\
dir d:\
dir e:\

Now you know the drive letter of win7. In this sample D
Code:
 
dir d:\windows\system32\autochk.exe      (is it still there)?
chkdsk/f d:
post results (it takes hours to complete)
Post results please! I already know it is D
My System SpecsSystem Spec
13 Aug 2012   #15
Kaktussoft

Microsoft Community Contributor Award Recipient

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

Quote   Quote: Originally Posted by Kaktussoft View Post
Code:
 
reg  load  HKLM\Mywin7  d:\windows\system32\config\system
Now:
regedit
and browse to HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices post camshot with fieldname and data fully visible.
browse to HKEY_LOCAL_MACHINE\Mywin7\MountedDevices and post camshot as well. This one is part of your win7 regsitry that doesn't know what partition is called C. We have to fix that. Do you see \DosDevices\C: in second camshot? If so has it the same value as \DosDevices\D: in first screenshot?

Sorry have to go. I'll respond on tuesday
post camshots please. After that fxing is easy
My System SpecsSystem Spec
14 Aug 2012   #16
technomann

Windows 7 64-bit
 
 

[/QUOTE]
Post results please! I already know it is D[/QUOTE]

Well I found a 3-month old backup of my C: partition on my WD Passport drive that I forgot that I had made. I ran the restore for this and my system booted up! All the programs and tweaks are 3 months old, but it's better than having to re-install the Win 7 OS and all my programs/tweaks from scratch.

THANKS for all your assistance!!!
My System SpecsSystem Spec
14 Aug 2012   #17
Kaktussoft

Microsoft Community Contributor Award Recipient

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

Post results please! I already know it is D[/QUOTE]

Well I found a 3-month old backup of my C: partition on my WD Passport drive that I forgot that I had made. I ran the restore for this and my system booted up! All the programs and tweaks are 3 months old, but it's better than having to re-install the Win 7 OS and all my programs/tweaks from scratch.

THANKS for all your assistance!!! [/QUOTE]
pfffff... it was just a problem in 1 registry key!
My System SpecsSystem Spec
14 Aug 2012   #18
gregrocker

 

We can help you remove the Recovery partition if you still want to do it.

It may have the System Active boot files which must first be moved to C, or else it lost ability to boot because of being Resized which is fixed by assuring the Active flag is on Win7 partition then running up to 3 separate Startup Repairs until it boots.

Either way if you'll post back a screenshot of your maximized Disk Mgmt drive map with listings showing all columns, we can give you the steps to do what you want .
My System SpecsSystem Spec
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 System Unbootable, error: stop: c000021a




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