Windows 10: 2 Identical Monitors. Duplicates just fine, but when switched to extend, monitor 1 reverts...

Discus and support 2 Identical Monitors. Duplicates just fine, but when switched to extend, monitor 1 reverts... in Windows 10 Software and Apps to solve the problem; I think the title says it all... 2 Identical Monitors. Duplicates just fine, but when switched to extend, monitor 1 reverts to an unusable resolution... Discussion in 'Windows 10 Software and Apps' started by Douglas Kendall, Mar 19, 2023.

  1. DOUGLAS KENDALL
    Douglas Kendall Win User

    2 Identical Monitors. Duplicates just fine, but when switched to extend, monitor 1 reverts...


    I think the title says it all... 2 Identical Monitors. Duplicates just fine, but when switched to extend, monitor 1 reverts to an unusable resolution config? So I cannot "keep" the changes because the screen is black with error message, so that I could go into display adapter to force a different resolution.Any help is appreciated!!!

    :)
     
    Douglas Kendall, Mar 19, 2023
    #1
  2. MINTKISS
    MintKiss Win User

    2 External monitors - 1 to extend and 1 to duplicate

    Hello,

    Does anyone know of a way to connect two external monitors to a Surface Pro 4 and have one monitor be duplicating the surface screen and the other monitor extending that screen?

    Thanks for the help!
     
    MintKiss, Mar 19, 2023
    #2
  3. DAVID P. VANCOUVER
    David P. Vancouver Win User
    Dual monitors - extend works, duplicate does not.

    I have a Windows 10 PC, with two displays, a 1080p Lenovo monitor and a Samsung UHD TV. In settings, when I set the monitor to Monitor 1 (Samsung), the display is fine. When I set the monitor to Monitor 2 (Lenovo), the display is fine. When I set displays
    to Extend, both displays are fine. But when I set displays to Duplicate, both displays are distorted. The desktop, windows, text, icons, etc are stretched, with more horizontal stretch than vertical stretch, and the system is unusable.

    It is now Monday July 29; duplicate displays was working perfectly just last Thursday, July 25, 2019.

    How can I get "duplicate displays" to behave?
     
    David P. Vancouver, Mar 19, 2023
    #3
  4. QUMAR_-_
    Qumar_-_ Win User

    2 Identical Monitors. Duplicates just fine, but when switched to extend, monitor 1 reverts...

    External monitors extending issue.

    I am trying to connect 6 external monitors to my laptop running on windows 10. I am using DVI-D dual-link to HDMI cable to connect the monitors to the HDMI splitter and HDMI to HDMI cable to connect the splitter to the laptop. There
    is just one problem when I am extending the screens, the external monitors seem to duplicate themselves rather than extend. So instead of 1 to 7 for all monitors combined, all my laptop only detects 1 and 2. 1 being my laptop and 2 being all the other external
    6 monitors. That means that all the external monitors showing me the same thing as in they duplicate and not extend. Any suggestion on it can be fixed so all the external monitors become the extension of my main laptop and do not duplicate?
     
    Qumar_-_, Mar 19, 2023
    #4
Thema:

2 Identical Monitors. Duplicates just fine, but when switched to extend, monitor 1 reverts...

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