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  Win 7 black screen, cant do anything 
 
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scott pounsford May 11, 2012, 07:20am EDT Reply - Quote - Report Abuse
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Ok guys, you are my last resort before i format this thing

Iwhats happening is, when i turn this clients machine on, it starts up all fine and dandy but when it comes to the log on screen, it sits there with a black screen and doesnt do anything

you cant access task manager or anything,
so i pulled the HDD out and virus scanned it in mine, came out clean,
tried a system restore, it couldnt finish the restore due to a missing avg file or something dumb,

I've tried everything
but i think the problem is that when you go into the registry and pop down to

HKLM\Software\Microsoft\WindowsNT\Winlogon, and drill down to the dword for SHELL

It's set for cmd /k start cmd.exe,
And no matter how much you change it back to explorer.exe, when you reboot it changes back to cmd.exe

any ideas guys, the owner said it happened after some windows updates..


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Dr. Peaceful May 11, 2012, 12:36pm EDT Reply - Quote - Report Abuse
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>> Re: Win 7 black screen, cant do anything
scott pounsford said:
Ok guys, you are my last resort before i format this thing

Iwhats happening is, when i turn this clients machine on, it starts up all fine and dandy but when it comes to the log on screen, it sits there with a black screen and doesnt do anything

you cant access task manager or anything,
so i pulled the HDD out and virus scanned it in mine, came out clean,
tried a system restore, it couldnt finish the restore due to a missing avg file or something dumb,

I've tried everything
but i think the problem is that when you go into the registry and pop down to

HKLM\Software\Microsoft\WindowsNT\Winlogon, and drill down to the dword for SHELL

It's set for cmd /k start cmd.exe,
And no matter how much you change it back to explorer.exe, when you reboot it changes back to cmd.exe

any ideas guys, the owner said it happened after some windows updates..

Same exact thing happened to me before, see my thread here: http://www.hardwareanalysis.com/content/topic/77369/

Thank you for pin pointing the registry error, I think you just found the exact cause of the problem. That it was stuck with command prompt and no explorer after bootup. Nothing you can do to get into Windows, not even safe mode, after that.

You may want to try do a Windows recovery and undo some some Windows updates, like one of the poster mentioned in my thread above. If that doesn't work, backup the files and do a reformat!

Good luck!

scott pounsford May 13, 2012, 10:15am EDT Reply - Quote - Report Abuse
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>> Re: Win 7 black screen, cant do anything
YEAH, after reading your post, it looks like a reformat is the way to go, (bugger)

just downloaded windows ERD for win 7, so am going to try get those updates off before i format, (i hate reformatting), but does anyone know how or why the registry key keeps changing after restart (apart from a possible cause from windows updates) if any one knows anything feel free to chime in,

will try undo updates tomorrow, then if i can get into safe mode and "unlock" task manager, will run this shell fixer i found and see if that does the job

cheers for the help, but if anyone else has any info, feel free to put ya 2c in


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