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  1.    31 Jul 2015 #11
    Join Date : Jul 2015
    Posts : 12
    Windows 8.1 and 10.


    Below is a Microsoft Knoledge Base entry from April of this year.


    "The lock screen in Windows 10 Technical Preview Build 10061 might appear as a black screen with a mouse cursor

    When you sign out of Windows 10 Technical Preview Build 10061 and return to the lock screen, you might see only a black screen with a responsive mouse cursor. Pressing the Alt+Tab keys or the Ctrl+Alt+Del keys has no visible effect.

    If you are experiencing this issue, follow these steps to sign into Windows:

    At the black screen, press the Ctrl key once on an attached physical keyboard. (You won’t see any visible change, but pressing the Ctrl key will place the cursor in the password box that you’re currently not able to see.)

    Now type the password of the user that just signed out and press Enter.This will sign you back into Windows and the desktop will appear.

    If you failed to sign in because you mistyped the password, press Enter once more. Then retype the password and press Enter." ...

      My System SpecsSystem Spec

  2.    31 Jul 2015 #12
    Join Date : Jul 2015
    Posts : 1
    Windows 10

    Heres your simple fix

    Quote Originally Posted by ClaytonN View Post
    When installing windows 10 my computer restarted and it's now a black screen with a cursor. I'm not sure what to do I tried doing things like pressing Ctrl+alt+delete but it doesn't do anything, And if I can is it possible to revert back to windows 7? I've also tried restarting it a couple times but it shows the same black screen and cursor.

    All you have to do is let your comp boot to the black screen, once you see your icon (mouse pointer) then hit the CNTRL key once, even though you do not see it, the password box is now up and you type in your computer password and hit enter, immediately your icon will disappear. Give it about 3-5 minutes and your comp ill come up. Here's the issue, the alienware x51 and other models believe that there are more then one display attached to your comp and unfortunately it is defaulting a phantom monitor as your main screen, reason you see black is because you are stuck on the "login" screen but just cant see it. Once you do this you are in! Here's the thing, once you are in you have to change your display settings in control panel in order to shut off multiple monitors and default your monitor as primary or you wont be able to see anything when you open it as it will be on the "phantom screen". You can do this very easily by opening control panel and hovering over the icon for it on your bottom task bar, then right click and click "move" then move the screen from left to right, it sounds hinky but it works! Once you get the control panel screen in front of you now you can change your display and all will be perfect! This takes a total of 5 minutes and will work!
      My System SpecsSystem Spec

  3.    05 Aug 2015 #13
    Join Date : Aug 2015
    Posts : 1
    Windows 7

    None of this is helping. I also have an Alienware X51 R2 with an AMD Radeon r9 270. Please help
      My System SpecsSystem Spec

  4.    16 Aug 2015 #14
    Join Date : Aug 2015
    Posts : 1
    Windows 8.1

    Quote Originally Posted by Warhawk View Post
    i also have a alienware x51 and have/had the same problem after lots of fiddling i gave up and reinstalled windows 8.1 from a factory image i made. seriously does microsoft even beta test there products anymore or is it simply ship it and screw up everyones pc willing to bet a lot of people will be rushing out to buy a new copy of windows 8.1 today :P not that they need to.
    Exact same problem here. I did a System Restore with my 8.1 DVD's. And then starting setting the entire computer back up again. Very frustrating...
      My System SpecsSystem Spec

  5.    20 Sep 2015 #15
    Join Date : Sep 2015
    Posts : 1
    windows 10

    Quote Originally Posted by SuperJoe View Post
    None of this is helping. I also have an Alienware X51 R2 with an AMD Radeon r9 270. Please help
    1. alienware x51 has an onboard graphics HDMI port hidden behind a small plastic plug. i needed to use the edge of a sharp knife to pry this out
    2. connected a monitor to the onboard graphics HDMI port and voila I can see my login screen

    I am still trying to figure out how to convince windows 10 to disable the intel on board graphics display and only use the NVidia card. currently it is using the onboard intel graphics for the login screen and after login my alienware outputs graphics to both the on board and NV graphics, but the system appears to be too unintelligent to let the two graphics subsystems talk to each other. So i currently have two graphics subsystems that both appear to think they are the only graphics on the PC.

    ha ha. way to go Microsoft & NVidia!
      My System SpecsSystem Spec

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