Windows 10: unable to detect external monitor

Discus and support unable to detect external monitor in Windows 10 Drivers and Hardware to solve the problem; My laptop suddenly stopped connecting to an external monitor via HDMI.It used to work fine with my monitor using the HMDI to DVI cable; and this... Discussion in 'Windows 10 Drivers and Hardware' started by gazcaroline, May 27, 2021.

  1. GAZCAROLINE
    gazcaroline Win User

    unable to detect external monitor


    My laptop suddenly stopped connecting to an external monitor via HDMI.It used to work fine with my monitor using the HMDI to DVI cable; and this morning just suddenly stopped. I've tried another HDMI to DVI cable as well as connecting it to another monitor using HDMI-HDMI, all the monitors are saying "no signal detected". It is definitely not the cable nor the monitor. There is no roll back option in device management. I did a system update and currently the display driver is Intel R UHD Graphics 620 driver - no further updates can be made. Monitor wise, the driver is "wide viewing angle &am

    :)
     
    gazcaroline, May 27, 2021
    #1
  2. DAVEMICHAELSON
    DaveMichaelson Win User

    External Monitor not detected

    I am running windows 10 on a MacBook Pro using bootcamp. I use a imac as an external monitor. Windows cannot "detect" the monitor. using a firewire connection, which works splendidly under OS. Any suggestions?
     
    DaveMichaelson, May 27, 2021
    #2
  3. JONATHANNGUYEN4
    JonathanNguyen4 Win User
    Laptop can't detect external monitor

    Sorry for the late response, but if I do not have another PC, is the only option to wait to get the new updates and within those new updates, my laptop will be able to detect my external monitor.

    It might sound rude and if so I'm sorry because you're the expert here and I barely know anything about computers but my external monitor worked perfectly until I rested my laptop. Do you think it has something to do with that because if the version 1803
    made my laptop unable to detect my external monitor, shouldn't my monitor not work from the beginning, before I rested my laptop but now it did. Only after the reset made it so my laptop was unable to detect my external monitor.

    So do you think the reset maybe deleted some files so that my laptop no longer is able to detect my monitor?
     
    JonathanNguyen4, May 27, 2021
    #3
  4. CHARLIEMCATEER
    CharlieMcAteer Win User

    unable to detect external monitor

    Connecting to external monitor

    I just upgraded to Windows 10, but am unable to connect my Lenovo X1 Carbon to an external monitor (tried two separate monitors). Before it would automatically detect the monitor, now it only has 1 listed when I go into Settings / Display. I found the "Windows
    button + P" option online, but when I highlight Duplicate or Extend I am unable to "select" or "enter" them.

    How can I make Windows detect my external monitor? (I am using the same cord that has always worked to connect my monitor before.) Thanks!
     
    CharlieMcAteer, May 27, 2021
    #4
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unable to detect external monitor

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