Fix for windows 10 booting to a black screen Solved

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  1.    01 Aug 2016 #151

    I'm not very technical, but I'm hoping someone can help me. My Lenovo G50-45 had a BSOD DPC_WATCHDOG VIOLATION. I removed everything to to with AMD, and intended to update the drivers, but got another BSOD, INACCESSIBLE _BOOT_DEVICE. Started in safe mode, and now have grey screen with no cursor. Small window flashes occasionally saying something about inaccessible log in. Can anyone help?
      My ComputerSystem Spec

  2.    01 Aug 2016 #152

    Dolores, sounds like a hardware issue. I fix similar problems all the time.
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  3.    01 Aug 2016 #153

    williamjames said: View Post
    I found the best solution folks...I bought a Mac.
    Overpriced Chinese garbage.
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  4.    09 Aug 2016 #154

    Sometimes the black screen problem can be caused by too much power going to the monitor. If too much power goes to the monitor it will go black. The same thing happened on my cell phone. To correct the problem go into open settings> system> display> adjust brightness level. Cut the level back to around half. And see what happens!
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  5.    19 Aug 2016 #155

    Smike said: View Post
    The following settings in my laptore (I7, Intel(R) HD Graphics 3000
    /AMD Radeon HD 7400M Series) ) significantly reduced the boot time:

    Change the EnableULPS in the register from 1 to 0, as described here, then reload the window.

    Open Catalyst on the Switchable Graphics Global Setting tab, you will have the option "Allow additional power-setting", uncheck and apply the changes.

    I hope that the next time you reboot the system you want.

    In my case, the time of appearance of the window lock takes 24 seconds.
    This is the only thing that works.
    After 6 hours of all the nonsense from Microsoft we finally found this and another post.
    AMD has know about this since mid 2015.
    With an SSD it takes 10 seconds.
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  6.    30 Aug 2016 #156

    Zig2210 said: View Post
    I believe there are many different problems and many solutions in this thread. I found the black screen on the Settings Page and found a fix. I did not remember that I was using a high contrast windows background when I converted from Windows 7 to Windows 10. The solution was to turn off high contrast with shortcut: Left ALT + Left SHIFT + PRINT SCREEN. This keyboard combination toggles High Contrast on and off.
    Alas, not so. I clicked Left ALT + Left SHIFT + PRINT SCREEN, which I had also used to get to high contrast, and all I got was a screen asking if I wanted to turn ON high contrast yes or no. I clicked yes and nothing happened. I tried again and clicked no with the same result. Any further help
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  7. spapakons's Avatar
    Posts : 2,557
    Windows 10 Pro 64-bit 1803 (April 2018 build 17134.345)
       02 Sep 2016 #157

    Amd apu with radeon hd 8570d, windows 10 1607


    I just had the following experience and I wanted to share to help others avoid frustration...

    One of my friend's computer was recently infected by a Ransomware virus which encrypted all his data. Since the data were lost anyway, I decided to format it and clean install Windows 10 again in order to make sure no virus traces are left. I installed the new Windows 10 Anniversary Edition version 1607, but I think this applies to earlier versions as well.

    His system has a Gigabyte motherboard based on the AMD A55 chipset and his AMD APU has the integrated AMD Radeon HD 8570D graphics card. When I went on AMD's site I saw two official drivers, the "traditional" AMD Catalyst suite 15.7.1 and the newer AMD Radeon Software Crimson Edition 16.2.1 Beta, In the past I usually installed the Catalyst, but now I decided to try the newer Crimson. It worked as expected, installed some applications and then let it do a Windows Update during the night. FATAL mistake! Windows Update replaced the Crimson graphic driver and when I restarted I saw a black screen with the cursor and unable to do anything about it! Since system restore points are disabled by default in new Windows 10, there was no restore point to return to!

    I then decided to format and start over. I reinstalled Windows 10 once more and this time I decided to try the "traditional" AMD Catalyst Suite. That was it! I was in the black screen again after next restart! I found the culprit! Fortunately I had enabled the Windows System Restore so I could go back and install AMD Crimson. This time worked again! No black screen! All I have to do is remember to run the show/hide tool to hide and AMD driver updates and prevent the black screen!

    So keep that in mind: Since AMD drivers do not always work as expected, before you install anything enable the Windows System Restore so you can go back and fix it. And prefer newer Crimson drivers over the "traditional" Catalyst, when available. It's better to install a working Beta version than install a faulty final version!

    I hope that helps!
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  8.    28 Sep 2016 #158

    Darkmiss said: View Post
    Okay if you have just upgraded to windows 10 and are sitting at a black screen for way too long here's the problem and how to fix it.

    If you have an on board Intel graphics controller as well as an add on graphics card, windows thinks you have one more monitor connected than you actually have. so when windows loads its outputting the video signal to a bogus monitor.

    How to fix this
    firstly wait long enough so the mouse cursor to appear when you move the mouse.
    (blank screen with a white mouse cursor)

    Then press the space-bar and enter your login password or pin (yes your doing this blind)

    You should now be logged into windows
    if the desktop dose not appear after 30 seconds then press Win+P keys, down arrow keys twice, and enter to extend display.

    Display Switch - Change Presentation Mode to Project in Windows 10

    I hope this helps
    You sir are a genious. It's funny how sometimes the problem doesn't even exist. Thanks, that saved me a couple of hours!
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  9.    30 Sep 2016 #159

    This procedure turns out to be quite dangerous! First, I've tried it a couple of times and have not been successful with it. Worse than that, all of it works except that part about getting my screen back! This means that blind typing your password can send it to places you can't see. Following my most recent attempt at this, I used the "power button" solution mentioned elsewhere in this thread - my power button is configured to put the machine to sleep, which it did. Once asleep, I pressed it again to wake it up, and once awake, my locked screen appeared (yeah!). BUT...

    After entering my password and unlocking the screen, the web page I was viewing before all of this started was shown, and there was my password in 2 fill-in fields on a web-based form I had been viewing! So what actually happened was that the first time I tried this process, it worked, except for the part about showing me my screen. Then, with my screen unlocked but not visible, I tried it again, twice, but my password was filling in the form, not unlocking the computer! Fortunately the form had several more fields to be entered, so I never got to where I was sending my password somewhere without knowing it. On the other hand, this wasn't the only time I tried this procedure, so who knows where I might have sent it before this time? Needless to say, I've changed the password now. But it was only luck that allowed me discover this flaw in the process! I'll be using the power button technique from here on, until I find a real solution for my computer.

    drreflex said: View Post

    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." ...

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  10. spapakons's Avatar
    Posts : 2,557
    Windows 10 Pro 64-bit 1803 (April 2018 build 17134.345)
       01 Oct 2016 #160

    Once you find a working graphics driver and use the show/hide tool to block any unwanted update, you should be OK. If you fear your password may be send while typing it blindly, you can avoid that by disconnecting from the internet (disconnect the cable or switch off the Wi-Fi by the switch/key combination) before login.
      My ComputerSystem Spec

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