Windows 10: Daisy-chaining on new PC not working

Discus and support Daisy-chaining on new PC not working in Windows 10 Gaming to solve the problem; Hi, I have a dual monitor set-up, both Lenovo P24h-10, monitor A being my 'main' monitor connected to either my work laptop via USB-C or my personal... Discussion in 'Windows 10 Gaming' started by 1123123121sadfasdf, Apr 5, 2023.

  1. 1123123121SADFASDF
    1123123121sadfasdf Win User

    Daisy-chaining on new PC not working


    Hi, I have a dual monitor set-up, both Lenovo P24h-10, monitor A being my 'main' monitor connected to either my work laptop via USB-C or my personal computer using DP. My secondary monitor, let's call it monitor B, is connected to monitor A via DP out. Monitor B input is always set to DP and monitor A input is set to either USB-C or DP depending if I'm working or using my personal computer. With my old PC, which had a GTX 1050, this set-up worked flawlessly. Once I'm done with work, I just switch the input on monitor A from USB-C to DP and voila, both monitors switch. I recently got a new comp

    :)
     
    1123123121sadfasdf, Apr 5, 2023
    #1
  2. SLIPPERY PETE
    Slippery Pete Win User

    DisplayPort Daisy Chain on Dell Monitor not working

    We have a problem where a user has 4 monitors hooked up to their Windows 10 system with an RTX 2070 for graphics. They wanted to reserve the HDMI slot on the card, so I suggested running their 24" Dell monitors by daisy chaining the last two monitors. We enabled DisplayPort 1.2 in the Dell settings (FYI - you need to have a valid video signal to get to the menu to turn this on) and double checked that MST was enabled for the graphics card. After plugging in the daisy chained monitor, the monitor would flicker an image of the desktop for a second and then go black.

    Windows 10 registered that the monitor was attached and daisy chained but we couldn't get an image to display. Looking around the web and I found a lot of articles saying Dell monitors are terrible for daisy chaining but beyond not enabling DP 1.2 and MST, nothing else was a solution to our problem. Since there is an image that flickers when you first hook it up, it seems like it is just a driver or display issue. Any thoughts?
     
    Slippery Pete, Apr 5, 2023
    #2
  3. SLIPPERY PETE
    Slippery Pete Win User
    DisplayPort Daisy Chain on Dell Monitor not working

    After lots of testing with settings, switching ports, and switching out cables we were able to solve the problem by using a full size DisplayPort cable as the input and a full size DisplayPort as the daisy chain cable. (No mini cables or converters.) Using a mini-DP cable in the chain broke the ability to daisy chain, even though it is labeled as mDP-IN and the Dell manual and website don't mention this as a requirement, everything is working great now.
     
    Slippery Pete, Apr 5, 2023
    #3
  4. JACKWAYBRIGHT
    JackWaybright Win User

    Daisy-chaining on new PC not working

    Surface Pro 3 with docking station Windows 10 daisy chain display problem

    Last night at 12 am my set up was working fine. Come in this morning and my monitors are not working. After an entire day of troubleshooting I have one of my daisy chain monitors working as monitor 2. And I have the option to use monitor 1 and 3. But the
    display 1.2 is not working today....please help.
     
    JackWaybright, Apr 5, 2023
    #4
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Daisy-chaining on new PC not working

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