Enable System Protection on Local Disk (C:) with CMD

check disk is fine. Offline SFC doesn't work. memory is fine. startup repair doesn't find anything. system restore doesn't work. "last good known config" doesn't work. What did you do just before this problem started?

Code:
diskpart
sel vol c
det part
exit

Is it active?
 

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
Yes it is active.... + "Status: Healthy"

A day before this problem occured I broke up a Windows update.
Next night I fell a sleep while the netbook was still running.
There were programs running like firefox, skpe, spotify.. mabybe even more.
When I woke up there was this System Repair sreen.
What may have happend is that I cut the electricity from the power socket and the battery was emptied at some point that night.
It may be that since I broke up the Windows update (which was a really studpid idea, but was necessary at the time) I onl ever put the netbook on standbye. So that night it shut down the first time after the update breakup.

I read a lot about people having the same problem after an Windows Update...
 
Last edited:

My Computer My Computer

OS
windows 7 home premium 64 bit
Yes it is active.... + "Status: Healthy"
In windows recovery environment->command prompt

Code:
c:
cd  \Windows\System32\config\RegBack
dir
What date/time have these files? You see these files?
04-01-2013 14:46 589.824 DEFAULT
04-01-2013 14:46 176.128 SAM
04-01-2013 14:46 32.768 SECURITY
04-01-2013 14:46 62.763.008 SOFTWARE
04-01-2013 14:46 22.085.632 SYSTEM

Is size of the files larger then 10.000?
 

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
This here helped a lot of people:

Sure, GTXND. Forgive me if I oversimplify but I'll include each step in case you're not familiar with navigating command lines (I was a tech support guy in college 20 years ago; old habits die hard). Also, changing registry files can be VERY DANGEROUS... I would only do it as a last resort before reinstalling Windows 7.

I first booted from the Windows 7 install disc to get to the system recovery console. I then selected Command Line. From there, I had to change from the X: drive to the C: drive by typing "C:". I then typed "cd \windows\system32\config" to get to the registry file directory. By typing "dir" I could see that two of the five hive files (default, sam, security,software, and system) had recent copies with an "rmbak" extension: default.rmbak and software.rmbak. I then executed the following commands:

ren software software.bak
copy software.rmbak software

ren default default.bak
copy default.rmbak default

I would suggest you execute the "ren" then "copy" commands as above for any other hives that have "rmbak" backups with the same date/time stamp. This ensures your registry remains in sync. You can now reboot and see if your computer comes up.

Here is an alternative suggestion if you don't have these "rmbak" files (if the above worked, don't do these steps; these would be a last-last resort before reinstalling Windows 7). From where we left off above type "dir RegBack". See what the time/date stamp is on the hive files there. If recent (use your judgment; mine is a couple days old so I would have probably used it had I not had the rmbak files, as I hadn't installed much in that time), you could do the following to restore that backup registry:

ren default default.bak
ren sam sam.bak
ren security security.bak
ren software software.bak
ren system system.bak
copy RegBack\*.*

Reboot and see what happens. If this worked, you may have to reinstall any software that was installed after the time/date stamps of the files in the RegBack directory.

One final note: I did try to restore to an earlier restore point once I made the above fixes. It kept coming up with an error. Therefore, I suggest creating a new restore point once the computer recovers, just so you have a clean one.


Unfortunatley I was not able to find out how to type in these steps (of the second option):

ren default default.bak
ren sam sam.bak
ren security security.bak
ren software software.bak
ren system system.bak

What exactl does one have to type into the cmd here?
 

My Computer My Computer

OS
windows 7 home premium 64 bit
Yes everthing is larger than 10.000. Above DEFAULT it also lists " . " and " . . " these files have no size...:huh:

Yes it is active.... + "Status: Healthy"
In windows recovery environment->command prompt

Code:
c:
cd  \Windows\System32\config\RegBack
dir
What date/time have these files? You see these files?
04-01-2013 14:46 589.824 DEFAULT
04-01-2013 14:46 176.128 SAM
04-01-2013 14:46 32.768 SECURITY
04-01-2013 14:46 62.763.008 SOFTWARE
04-01-2013 14:46 22.085.632 SYSTEM

Is size of the files larger then 10.000?
 

My Computer My Computer

OS
windows 7 home premium 64 bit
Yes everthing is larger than 10.000. Above DEFAULT it also lists " . " and " . . " these files have no size...:huh:

Yes it is active.... + "Status: Healthy"
In windows recovery environment->command prompt

Code:
c:
cd  \Windows\System32\config\RegBack
dir
What date/time have these files? You see these files?
04-01-2013 14:46 589.824 DEFAULT
04-01-2013 14:46 176.128 SAM
04-01-2013 14:46 32.768 SECURITY
04-01-2013 14:46 62.763.008 SOFTWARE
04-01-2013 14:46 22.085.632 SYSTEM

Is size of the files larger then 10.000?
what date/time have these files, so how long ago where they made? Were you able to boot without any problems after that date/time?
 

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
The files are from the 5th of january. (07:33 pm) The update was the 9th.

The booting problems showed up th 10th...
 

My Computer My Computer

OS
windows 7 home premium 64 bit
Code:
c:
cd  \Windows\System32\config
[COLOR=red]Now make copy of current registry stuff. Just to be safe. You can revert back to what it was[/COLOR]
copy  default   *.mybak
copy  sam  *.mybak
copy  security  *.mybak
copy  system   *.mybak
copy  software *.mybak
dir  *.mybak

All 5 files are copied succesfully? Is so continue
Code:
copy/y  regback\*.*
5 files copied succesfully?
 
Last edited:

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
worked so far =D
Now i m being asked: overwrtie C:\windows\sytem32\config\DEFAULT? <yes/no/all>
Shell I tpe <Yes> now?
 

My Computer My Computer

OS
windows 7 home premium 64 bit
worked so far =D
Now i m being asked: overwrtie C:\windows\sytem32\config\DEFAULT? <yes/no/all>
Shell I tpe <Yes> now?
of course say yes for all overwrites! Be sure to answer yes. even better say All. Or user copy/y instead. It doesn't ask for confirmation
 

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
Okay. done. 5 files copied =)

Next step is to restart the pc right?
 

My Computer My Computer

OS
windows 7 home premium 64 bit

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
I
freaking
love you!!!

It works!!

Thank you so so much for the time, nervs and effort you put in to this!!!
You just the made my examination time (i m a college student) a whole lot easier!!!!

Again... Thank you so so much!!!!!!!!!!!

Have a great day! You deserved!! ...you made mine great!! :D
 

My Computer My Computer

OS
windows 7 home premium 64 bit
Code:
c:
cd   \Windows\System32\config
del  *.mybak

This is to delete the all corrupt stuff.

Your registry (not the user settings registry) are back to state of 5th of january. (07:33 pm)
Did you install any software afterwards? install it again

Did you uninstall any software afterwards? Files are still gone, but referenced from registry you have now! install the software again, reboot and uninstall it.
 

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
Check your windows update history and order by date. Is any update installed after 5th of january. (07:33 pm) ?
If so which one? I think it are a lot of updates(?) 9-jan was date of monthly patches. If only 2 post which ones. Or say for example 10 are listed
 

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
Run windows update and search for updates. Does it offer the updates again?
 

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
Please answer last questions!
 

My Computer My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
When i use CMD (logged in as a user) it says acces denied. I don't know how else to acces cmd...
 

My Computer My Computer

OS
windows 7 home premium 64 bit
There are 17 windows updates with todays date. the oldest one before that are from the 23.12.12
 

My Computer My Computer

OS
windows 7 home premium 64 bit
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