Windows 10: External Monitor All Black

Discus and support External Monitor All Black in Windows 10 Drivers and Hardware to solve the problem; I have an HP Spectre X360 15" that is set up as dual boot Windows 10 / Ubuntu Linux. It has a Dell 23" external monitor connected via HDMI. I've been... Discussion in 'Windows 10 Drivers and Hardware' started by MarkWetzelWNY, Jun 30, 2019.

  1. MARKWETZELWNY
    MarkWetzelWNY Win User

    External Monitor All Black


    I have an HP Spectre X360 15" that is set up as dual boot Windows 10 / Ubuntu Linux. It has a Dell 23" external monitor connected via HDMI. I've been using Linux pretty much exclusively over the past several months due to a project I'm working on. When I use the laptop screen, Windows 10 works fine. However, when I try to switch over to the external monitor it detects it, but nothing ever appears on the monitor screen. If I unplug and reinsert the HDMI, the monitor wakes up, but says that no HDMI signal is detected. The monitor works fine in Linux. The monitor also works fine if plugged into the HDMI port on another computer running Windows 10.


    In the Windows display settings it does detect the monitor and shows the correct model number, etc. However, it never displays anything. I've checked my drivers and they are all up to date. What can I try next?

    :)
     
    MarkWetzelWNY, Jun 30, 2019
    #1
  2. PAVAN_N
    Pavan_N Win User

    External monitor blanking often

    Hi,

    Please answer these questions to assist you better.

    • What is the make and model of your computer and external monitor?
    • Have you installed all pending Windows and driver updates?
    • Do you get any error message?

    I suggest you to install all pending Windows updates in your PC and also update Display drivers. Follow the steps below.

    Step 1: I would suggest you to check and install any latest Windows Updates available.

    • Go to Start and then Settings.
    • Click on Update and Recovery.
    • Check for updates under
      Windows Updates.
    • Restart the system and check if the issue is resolved.

    Step 2: Please refer to the following Wiki article created by
    Andre Da Costa on How to: Install and Update drivers in Windows 10.

    How to: Install and Update Hardware Drivers in Windows 10

    Do let us know if you still get random black screen in the external monitor. Thank you.
     
    Pavan_N, Jun 30, 2019
    #2
  3. MURALIDHAR_G
    Muralidhar_G Win User
    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 30, 2019
    #3
  4. HEATHERCLARK2
    HeatherClark2 Win User

    External Monitor All Black

    External Monitor is detected, but black

    My monitor was working perfectly this morning. I left for lunch and came back to a black screen. I've tried installing updates and the hdmi cord, but nothing has fixed this.

    The monitor is detected, as I can drag windows over to it. It's just black. Any suggestions?
     
    HeatherClark2, Jun 30, 2019
    #4
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External Monitor All Black

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