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Windows 7: Black screen when turned on

03 Feb 2013   #1
niotic

Windows 7 Home Premium 64-bit
 
 
Black screen when turned on

I was attempting to edit authui.dll, when I restarted my computer I got a totally black screen. Now everyone seems to have a hard time understanding this. When I start my computer up I get a black screen, no matter if it's a normal started up or in safe mode. I'm totally unable to login or do anything, the screen turns black before anything comes up. Does anyone know what I should do.


My System SpecsSystem Spec
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03 Feb 2013   #2
Northernsoul55

Microsoft Community Contributor Award Recipient

Windows 7 Professional 64bit
 
 

Hi niotic,

Do you have your Win 7 DVD or Win 7 64bit recovery disc?



Boot from your windows dvd/recovery disk and run a system file check to replace the original files -



SFC /SCANNOW : Run in Command Prompt at Boot


Check your drive is C and type:


sfc /scannow /offbootdir=c:\ /offwindir=c:\windows


You should get a message after scan saying windows resource protection has sucessfully repaired some files.


Type exit and click restart.

If you dont have a recovery disc:

System Repair Disc - Create

Post back any progress


Cheers

Dave
My System SpecsSystem Spec
04 Feb 2013   #3
niotic

Windows 7 Home Premium 64-bit
 
 

Unfortunately I do not have a disk. So I'd like to try the usb option. But I cannot find a place to get this .iso boot thing. I dont even know what it is and even less so what to look for. Could you please give me some insight? I really need my computer back online.
My System SpecsSystem Spec
.

05 Feb 2013   #4
Northernsoul55

Microsoft Community Contributor Award Recipient

Windows 7 Professional 64bit
 
 

Hi,

Firstly make sure you motherboard is capable of booting a USB drive,
if not your computer won't be able to make use of this bootable USB.

You can change the boot priority in the BIOS.

Please look at Step 1 and Step 2 of this tutorial here:

Clean Reinstall - Factory OEM Windows 7

The Win 7 install (SP1) ISO is there and also the tool to install it to a USB drive.

Then follow my first instructions.

Cheers

Dave
My System SpecsSystem Spec
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 Black screen when turned on




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