Windows 10: External VGA Monitor detected but displays black screen

Discus and support External VGA Monitor detected but displays black screen in Windows 10 Graphic Cards to solve the problem; I'm having a problem with an external VGA monitor connected to my Win10 home PC. When I plug in the monitor (to VGA port), it is detected but the... Discussion in 'Windows 10 Graphic Cards' started by Eddo51, Jun 29, 2019.

  1. Eddo51 Win User

    External VGA Monitor detected but displays black screen


    I'm having a problem with an external VGA monitor connected to my Win10 home PC. When I plug in the monitor (to VGA port), it is detected but the display blinks on and goes black immediately. I have to unplug and re-plug up to 12 times and finally the monitor comes on and stays on until the power option tells the monitors to go blank. Then I have to do the whole unplug/re-plug thing again to get it to display the screen. Seems to me it's a driver problem. I uninstalled the Monitor drivers (not the Display Driver). When the device is detected, two instances of "Generic PnP Monitor" drivers are installed. An alternative driver would be the AL1916w driver but I'm not sure how to install it. And this may not be the solution anyway.

    :)
     
    Eddo51, Jun 29, 2019
    #1

  2. 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, Jun 29, 2019
    #2
  3. sivaram9 Win User
    my acer aspire laptop dosent detect external vga monitor .

    I m using acer aspire laptop . I connected my laptop to external monitor which is having VGA extension mode., than the external monitor is showing display for one second and immediately screen turns black , I think no display , again if I change resolution
    in my laptop than the external monitor show display for one second and gone away and turns black screen.. is there any drivers for vga cable mode external moitors

    ***Moved from Windows 10 / PC projection***
     
    sivaram9, Jun 29, 2019
    #3
  4. External VGA Monitor detected but displays black screen

    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, Jun 29, 2019
    #4
Thema:

External VGA Monitor detected but displays black screen

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