Windows 10: 2nd Montior (VGA) detected but always blank

Discus and support 2nd Montior (VGA) detected but always blank in Windows 10 Graphic Cards to solve the problem; I am having trouble getting my second monitor to work. This system has been working with 1 monitor just fine. I dug up an older HP VGA monitor to add... Discussion in 'Windows 10 Graphic Cards' started by JackInBrooklyn, Apr 2, 2020.

  1. 2nd Montior (VGA) detected but always blank


    I am having trouble getting my second monitor to work. This system has been working with 1 monitor just fine. I dug up an older HP VGA monitor to add on and the system detects the monitor just fine, but nothing appears on it.

    The HP monitor works fine when I connect it using the same cable to my wife's laptop.

    I configured Windows to DUPLICATE the monitors (for now). I have searched for solutions and find others with similar issues, but no solutions that seem to apply to my situation.

    Thank you for any advice you can give!!

    Here are some screen shots that might help:

    Device Manger Detects Both Monitors:


    2nd Montior (VGA) detected but always blank [​IMG]


    Windows Detects Both Monitors In Graphics Settings:


    2nd Montior (VGA) detected but always blank [​IMG]


    AMD Control Center Sees Both Monitors


    2nd Montior (VGA) detected but always blank [​IMG]


    Windows Version #: 1909 (Build 18363.752)

    - - - Updated - - -

    Just one more detail...The HP monitor seems to be detecting a signal because the Check Video Cable message goes away and it indicates that it is set to 1600 x 900 - 60Hz

    :)
     
    JackInBrooklyn, Apr 2, 2020
    #1

  2. Windows 10 stopped detecting 2nd monitor

    Hello Chaya,

    When 1 and 2 are posted under the Display option, it means that the device is detecting a video input. Concerns related to signal input could be associated with the driver or the hardware component of your device. To help us determine the appropriate troubleshooting
    steps that can resolve your concern, we would like to ask the following questions:

    • Do you see your monitors under Display settings? To check, right-click on the blank area on your desktop and select Display settings.
    • What projection option did you choose for your monitors? To check, press Windows + P on your keyboard.
    • What is the make and model of your device?
    • How are the monitors connected to your device? Examples of connections are VGA, HDMI, and DVI.

    In the meantime, you can follow these steps on how to configure your other monitor on Windows 10. To do this, follow the steps below:

    • Check the back or the side of your device to see if it has any of the connectors below.


      2nd Montior (VGA) detected but always blank b1b7eabe-f95e-47dd-af58-5f1e93170b72?upload=true.jpg


    • Connect the secondary monitor to your laptop via VGA,
      DVI or HDMI port.
    • Configure display settings. Right-click on the blank area of the desktop and choose
      Display settings.
    • Click Identify to show numbers on corresponding displays (1 is the primary).
    • Click the Multiple display drop-down list, and then select
      Extend these displays.
    • Once done, restart your device to apply the changes and check if the issue persists.

    Note: If you cannot see the additional monitor(s) listed. Click
    Detect. If it does not work, try restarting your computer and do the steps of switch between display modes by pressing
    Windows key + P key on your keyboard.

    Your reply is most important for us to ensure we assist you accordingly.
     
    Zedrick Del, Apr 2, 2020
    #2
  3. 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, Apr 2, 2020
    #3
  4. 2nd Montior (VGA) detected but always blank

    No VGA detected

    Hi Becky,

    Answer these questions which will help us to assist better:

    • What is the make and model of the Windows 10 PC?
    • Using which cable is the monitor connected to the computer?

    If you tried connecting a VGA cable, try connecting an DVI/HDMI cable (if the monitor supports) and check.

    Get back to us with the details to further assist you with this issue.
     
    Ravinath P, Apr 2, 2020
    #4
Thema:

2nd Montior (VGA) detected but always blank

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