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screen duplication

About this tag
Screen duplication in Windows refers to mirroring the same content across multiple displays, such as a laptop screen and an external monitor or TV. Users on WindowsForum.com discuss issues like automatic duplication when a secondary display is turned on, causing games to go black or lose focus. Others seek to duplicate only one external screen while extending another, or troubleshoot color problems (e.g., black-and-white output) when duplicating. Problems with external display detection after sleep or boot are also common, where selecting duplicate mode temporarily restores normal operation. These threads cover Windows 7, 8, and 10 configurations, HDMI/DVI connections, and workarounds for persistent duplication behavior.
  1. Maphesta

    Windows 10 Gaming problem when second monitor (TV) turns on.

    Hi all, I'm having an issue and nowhere on the internet I can find people exclaiming the same problem, so here I go: My primary gaming monitor is connected through DVI (144hz). My secondary monitor is connected through HDMI (TV). The gaming monitor is great for gaming, of course, and the...
    • Maphesta
    • Thread
    • black screen display issues dvi gaming gaming performance hdmi monitor setup multi-monitor screen duplication windows 10
    • Replies: 3
    • Forum: Windows Help and Support
  2. T

    Windows 8 Windows 8 screen settings - need help

    Hi everybody i need help with Windows 8 screen settings. Okay so i have 1 laptop with 2 external screens, the screens are working well but... I what my laptop screen duplicate with 1 of the external screens and the other screen just to be expand It's that possible to do?
    • tweezer
    • Thread
    • display display settings extended display external monitor help laptop screen duplication windows 8
    • Replies: 2
    • Forum: Windows Graphics and Gaming
  3. S

    Windows 7 Windows does not recognize external display connected to a laptop

    Hi Forum! I have a HP Pavilion dm1z laptop. The laptop has a HDMI port. I am trying to connect it to my Samsung BX2335 display. The display has the DVI dual link port only. So I bought a HDMI - DVI adapter. I have Win7 x64 on my laptop. When I start the laptop with the external display...
    • StePka
    • Thread
    • amd connection issues device properties device recognition display settings dual display dvi adapter external monitor graphics driver hdmi hp pavilion resolution samsung bx2335 screen duplication troubleshooting windows 7
    • Replies: 1
    • Forum: Windows Hardware
  4. B

    Windows 7 win 7 two displays

    Well this is my problem, i connected my pc to the tv and duplicate the screens, but on the tv the picture is black-white colour.How to make it colourful where in the options i must go.Please help me. :)
    • blackout21
    • Thread
    • color issues display settings graphics driver multi-monitor resolution screen duplication tv connection windows 7
    • Replies: 2
    • Forum: Windows Help and Support
  5. monsholm

    Windows 7 White screen on 5943g

    The screen on my Acer Aspire 5943g often goes white after beein in sleep mode. Restarting it doesn't fix the problem. The machine is standing in one place all the time, connected with HDMI to a 24" monitor (I get picture on the monitor, but only white on the machine screen)...
    • monsholm
    • Thread
    • acer annoyance application aspire blank screen display drivers expand screens fix games graphics hardware hdmi issues monitor permanent solution recovery screen duplication sleep mode troubleshooting
    • Replies: 1
    • Forum: Windows Software
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