Windows 10: iGPU driver crashes when computer turns display off

  1. Posts : 6
    Windows 10 Pro
       04 Dec 2016 #1

    iGPU driver crashes when computer turns display off

    I have an Acer Aspire 5742G with an i5-480M and a GT 540M and the Intel display driver fails whenever the computer turns the display off after 10min afk no matter what power plan I'm on, it hapenned just now with Sleep Off in the power plan settings, it's just set to turn off the display after 10min. It's weird because I can turn off the display manually via the power button (set on the power plan) and it's fine. What's annoying is I have to restart the computer everytime it happens because it turns off my display's backlight. Anyone have an idea of what's going on?
      My ComputerSystem Spec

  2. Posts : 6
    Windows 10 Pro
    Thread Starter
       04 Dec 2016 #2

    Actually, both GPUs fail.
    Click image for larger version. 

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      My ComputerSystem Spec

  3. Posts : 6
    Windows 10 Pro
    Thread Starter
       04 Dec 2016 #3

    And since yesterday GPU-Z does not show more than 64MB of memory being used while gaming, although games are running fine, could be I updated the drivers to 376.09.
      My ComputerSystem Spec

  4. Posts : 6
    Windows 10 Pro
    Thread Starter
       04 Dec 2016 #4

    I was running a modified bios on my laptop, flashed the same unmodified version and the code 43 is gone, the computer can now sleep.
      My ComputerSystem Spec

  5. Posts : 6
    Windows 10 Pro
    Thread Starter
       27 Dec 2016 #5

    It has nothing to do with the bios, sometimes it happens, sometimes it doesn't.
    I found that after the error occurs if I disable to nvidia gpu first, enable it back, disable the intel gpu and enable it back fixes the issue without having to reboot, downside is I have to poke a flashlight onto the screen to see anything.
    If I disable the intel gpu first the backlight turns back on, correct resolution, but only a black screen with the mouse cursor.
    I'm fairly sure the Intel driver is to blame.
    And the gpu-z incorrect readings are related to the nvidia drivers, it was actually displaying the iGPU memory usage when it should be displaying the gGPU memory usage.
      My ComputerSystem Spec

  6. Posts : 867
    Windows 10
       28 Dec 2016 #6

    You need to install the Intel HD Graphics driver first, and then the Nvidia driver. Windows Updates does it right automatically.
      My ComputerSystem Spec

  7. Posts : 6
    Windows 10 Pro
    Thread Starter
       29 Dec 2016 #7

    You're telling me that I need to uninstall both drivers and then install the intel first?
      My ComputerSystem Spec


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