Windows 10: Laptop Video Black but VGA monitor works - Display 1 isn't active windows 10

Discus and support Laptop Video Black but VGA monitor works - Display 1 isn't active windows 10 in Windows 10 Drivers and Hardware to solve the problem; I have 2 identical DELL Precision M4800 Laptops with NVidia M2100M Graphics Cards. 3 weeks ago I upgrading one then later the other to Windows 10... Discussion in 'Windows 10 Drivers and Hardware' started by PRPeterson, Aug 11, 2020.

  1. Laptop Video Black but VGA monitor works - Display 1 isn't active windows 10


    I have 2 identical DELL Precision M4800 Laptops with NVidia M2100M Graphics Cards. 3 weeks ago I upgrading one then later the other to Windows 10


    Release Date: July 14, 2020 Version:OS Build 19041.388



    I lost all use of the internal Laptop Screen. I did various things - updated all drivers and BIOS and also rolled back these. Switched video Cards. Etc everything you can imagine and recommend via diagnostics safe mode reinstall etc etc. Still I only have access to the VGA attached monitors. Same thing happened with other laptop.


    The message I receive from Windows display device is that Display 1 isn't active. If I try to project to the internal laptop monitor, then I lose the external monitor and the internal laptop monitor remains black. Note there is not even a flicker on the internal monitors when booting BIOS which I find very strange.


    I noticed this error has been reported but not solved in other forums.


    Regards,

    :)
     
    PRPeterson, Aug 11, 2020
    #1

  2. Vga monitor connected to my laptop via a hmdi port

    Hello Andrew,

    The VGA connector is a video connection for sending analog video signals to the monitor or TV. Unless you are planning to connect to a special monitor, such as a plasma or LCD TV that has a DVI connector, connect your Primary monitor using
    the VGA connector.

    The HDMI connector is a digital connection type for transferring high-definition digital video signals AND audio signals. When used with a compatible monitor or television, HDMI has the capability of carrying true high-definition video and
    audio as well HDCP protected content. If your computer has HDMI audio, it should be set as the default audio device in Windows audio properties (available from Windows Control Panel). The monitor or TV with HDMI must have speakers to hear audio.

    We suggest you try the steps below and check if this works.

    • Open the "display settings" in your computer and activate output to the screen. You can either mirror content of your computer or extend the display just like a dual monitor screen.
    • Check the "External Inputs" of your monitor menu. You will need to change the default "Video 1" to a different selection which may be "HDMI 1" or "Video 2" depending on how you have made the connection.

    Important: Make sure you connect the cable to the laptop before turning on as sometimes it may fail to recognize external display.

    Let us know with the outcome.
     
    Haidae Tam, Aug 11, 2020
    #2
  3. No display on monitor when TV set as primary display

    Issue solved

    Removed DVI/HDMI cable from computer and monitor

    Step 1: Check if the VGA monitor cable is defective.

    1. Turn off computer
    2. Connect the monitor VGA cable from the monitor to the VGA port on the computer
    3. Turn on computer, VGA monitor cable is good.

      Step 2: Tun off computer
    1. Connect HDMI Cable to HDMI port and TV
    2. Turn on computer and TV, there is no monitor black screen
    3. Click on the Windows logo, select the Settings icon , and then select

      System. Under Display there are two squares, labeled 1 and 2

      D Click on Advanced Display Settings:

      Display information: Display 1- Monitor Display 2 -TV

      E Right-click the Speakers icon in
      the taskbar, select Sound, click on Playback devices,


      a s tv screen with my brand shows
      AMD High Definition Audio Device ready.

      F. Problem solved



      Cause of the problem: Defective VGA port on the Syba VGA HD15+ 3.5 Audio to HDMI converter
     
    Rooben Kajima, Aug 11, 2020
    #3
  4. Laptop Video Black but VGA monitor works - Display 1 isn't active windows 10

    my acer aspire laptop dosent detect external vga monitor .

    Hi Sivaram,

    Thank you for writing to Microsoft Community Forums.

    1. Since when are you facing this issue?
    This issue might be happening because of the faulty drivers. That’s the reason you are getting intermittent connection on external monitor.

    However, you may try the below suggested steps.

    Step 1: Try connecting on a different monitor and check if the issue still persists.

    Step 2: Try using a different VGA cable to connect with external monitor and check the status of the issue.

    Step 3: Update display driver adapters

    You may refer the article
    Update drivers in Windows 10
    and check the status of the issue.

    Step 4: Check for an updated Video driver on the

    Acer drivers and Manuals page
    .

    For more information you may also refer
    troubleshoot black screen or blank screen errors
    .

    Hope it helps.

    Muralidhar

    Microsoft Community Moderator
     
    Muralidhar_G, Aug 11, 2020
    #4
Thema:

Laptop Video Black but VGA monitor works - Display 1 isn't active windows 10

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