Windows Slows Down to a Crawl on Multi-Monitor setup running Win 10

  1. Posts : 18
    Windows 10

    Windows Slows Down to a Crawl on Multi-Monitor setup running Win 10

    I've been meaning to write about this for a few weeks, but now it has really gotten bothersome. I don't remember this happening until I upgraded to build 1809 a month ago.


    Windows 10 x64, build 1809
    Intel Core i7 6700K at 4200Mhz - I have turned OFF SpeedStep on the CPU in the BIOS, so always running full)
    Asus Sabertooth Z170 Mark 1 (Skylake)
    G.Skill 16 GBytes DDR4-2132 (1066 Mhz) in XMP
    nVidia GTX 1060 6GB
    [FONT="Open Sans",sans-serif,Arial,Tahoma,Calibri,Geneva,sans-serif]Samsung SSD 970 Pro (MZ-V7P512BW) NVMe M.2
    Using two 4K LG 32 inch monitors (one connected via HDMI 1.4, the other with DisplayPort)
    Verizon FIOS 100MB/100MB internet connection

    My system is 100% stable but for some reason:

    I run about 4-6 open Windows at the same time and I use stock trading software in both monitors. Meaning, I basically have a data feed with updating numbers. Sometimes, I like to play Call of Duty WW2 or Fortnite while the trading software is running. What happens is that if I have either Call of Duty WW2 or Fornite running and up on the right display monitor as the primary window, the left display monitor starts to "hick-up" data from my still-running stock trading software. Meaning, it kind of gets stuck for a few seconds, then updates, then stuck then updates and so on. If I make the Call of Duty WW2 or Fortnite running in the background (either them still running but not in the fore-front of the either monitors), the data stream works perfectly.

    Also, if I don't run the trading software at all, and have COD WW2 in the background and try to play Fortnite, the gameplay is very slow. And vice-versa. So basically, it seems like one window gets ALL of the priorities.

    So I guess my problem must related to the "Processor Priority Level" setting in Windows 10?

    I am not streaming anything on any of my tablets, TV's, etc. So it cannot be the internet bandwidth.

    Also, do you think it I upgrade to GTX 1080 or RTX 2070 card that it will make any difference also?

    Thanks for all input / suggestions!

      My Computer

  2. smirk24's Avatar
    Posts : 97
    Windows 10 Home

    Have you tried a clean boot? And recreate whats going on when the slow down occurs?
      My Computers


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