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Windows 7: Blank screen after repair

02 Mar 2012   #1
the87boy

Home Professionel
 
 
Blank screen after repair

One of my friends has a Windows 7 computer, but suddenly it could not start, and he asked me for help

I got an error like this
File: \Boot\BCD
Status: 0xc0000098
Info: The Windows Boot Configuration Data file does not contain a valid OS entry

And I ran a
Code:
chkdsk c: /f /r
followed by a
Code:
Bootrec /RebuildBcd
, where it asked me, if I want to add the entry to the BCD store, and of course I answered yes

Afterwards I rebooted the computer, but it came up with a blank screen.
I then tried to restart the computer and it keeps coming up with a blank screen. I tried to repair using the Windows 7 - cd's repair, but with no succes. It found the Windows 7 Home Professionel, but when I tried to repair it, it says, that it could not find the OS (something like noOSInstalled). I then came into cmd again, and tried first with
Code:
BootRec
, but it could not find the OS.
Now I set it to run
Code:
chkdsk
over the night, but what can I do, if I comes up with the blank screen again?
Do I have to reinstall the computer, or are there other solutions?

CHKDSK found ad sectors in the following files
Code:
\Windows\assembly\NATIVE~1.303\PRESEN~1\FFB7C7~1\PRESEN~1.DLL
\Windows\assembly\NATIVE~2.303\SYSTEM~3.SER\559EBA~1\SYSTEM~1.DLL
If this indicates something

Maybe I have to try with F8, when I restarts the computer for the first time after running the
Code:
BootRec
. Could that be a solution?


My System SpecsSystem Spec
.
03 Mar 2012   #2
writhziden

Windows 7 Home Premium 64 Bit
 
 

Part of what you tried is in How to use the Bootrec.exe tool in the Windows Recovery Environment to troubleshoot and repair startup issues in Windows ; I do not know if the rest is an option since the computer can no longer find the OS.

You could try SFC /SCANNOW : Run in Command Prompt at Boot to see if that will work without the OS being found...

Post back whether either of those is useful at this time.
My System SpecsSystem Spec
03 Mar 2012   #3
the87boy

Home Professionel
 
 

I figured out to delete the MBR and create it again.
I then get into Packards Bells recovery, and then Windows started
It sounds crazy, but it worked
My System SpecsSystem Spec
.

03 Mar 2012   #4
writhziden

Windows 7 Home Premium 64 Bit
 
 

Glad you were able to get it sorted.
My System SpecsSystem Spec
Reply

 Blank screen after repair




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