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Windows 7: Black screen after boot loader, pressing F8 doesn't do anything.


25 Jul 2012   #1
vme

Windows 7 Professional x64
 
 
Black screen after boot loader, pressing F8 doesn't do anything.

Hi All,

I have a Windows 7 Pro x64 which has been running for a many months without any issues.

Three days ago I restarted the machine and Windows 7 didn't start anymore. I have spent a lot of time investigating it and could not find anything wrong with the boot loader or the file system where the OS is.

So the boot loader works, I have also replaced it just in case but nothing changed. I can go into the boot loader menu and chose the Windows 7 entry but then the black screen which says "Starting Windows" comes and nothing else happens.

Note that the computer doesn't hang, it simply gets stuck at some point and doesn't do anything else. The HDD LED stays on from this point forward and that is it, if I press ctrl+alt+del it restarts and if it were completely frozen it wouldn't.

So here is what I don't believe is causing the problem:

This Windows 7 runs on a pair of drives in RADI1 so it cannot be a problem with the drives. I have run checks just to be sure and couldn't find anything, no file system issues or bad blocks.

The raid controller is not reporting any issues with the drives.

I have booted with the windows install cd and tried to repair it many times but the auto repair says it could not repair it, other times it tells me that no issue was found.

The boot manager is working fine, I have replaced it just in case using bootrec /fixmbr and /fixboot and also bootsect /nt60 all.

I have checked for corrupt files with sfc and no files were corrupt, at least no critical system files.

I have manually replaced the winload.exe file but this didn't help either.


The problem seems to be at the stage where the boot manager passes control to winload.exe.

Has anyone dealt with any problem like this before?

I realise that I may not have provided enough information but this is all I have managed to gather to far.

One more thing, if I try to press F8 to try to boot into safe mode I simply get a black screen. So I am really cornered here because I don't even have any means to troubleshoot the boot issue.

Any help will be much appreciated.

Thanks
Vini

My System SpecsSystem Spec
.

31 Jul 2012   #2

Windows 7 Ultimate x64
 
 

Try running sfc using the method metioned in this tutorial:

SFC /SCANNOW : Run in Command Prompt at Boot
My System SpecsSystem Spec
Reply

 Black screen after boot loader, pressing F8 doesn't do anything.




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