Black screen when turned on


  1. Posts : 52
    Windows 7 Home Premium 64-bit
       #1

    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 Computer


  2. Posts : 2,014
    Windows 7 Professional 64bit
       #2

    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 Computer


  3. Posts : 52
    Windows 7 Home Premium 64-bit
    Thread Starter
       #3

    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 Computer


  4. Posts : 2,014
    Windows 7 Professional 64bit
       #4

    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 Computer


 

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