Windows 10 UI lag? when having multiple monitors connected

  1.    14 Feb 2017 #1

    Windows 10 UI lag? when having multiple monitors connected


    My specs: MSI GTX770 2GB ram with nvidia driver 378.49), i7-3770K, 16GB ram, ...

    The little problem that I noticed:
    Hovering over the icons on my desktop (around 12 icons) is slow. It seems there is a display lag when hovering over a couple of icons in a row.
    If the first icon is highlighted and I then move to another icon while in the process hovering over other icons the icons in between are not highlighted.
    The selection of desktop icons is also slow, I see the square increasing with steps.
    Another symptom is switching Itunes to the miniplayer view and back is slow as hell.
    Itunes disappears and around 7 seconds later the miniplayer is shown. This is the same for switching the miniplayer to normal view.
    What I notice is that when I'm waiting for the miniplayer to appear and press CTRL+ALT+Delete and instantly escape that windows overlay screen, the miniplayer shows. So it seems to me as windows is not refreshing the screen or something. When I'm waiting for the miniplayer to appear I see a process in taskmanager "client server runtime process" jumping to around 6-7% until the miniplayer appears. Normally this process is taking up 1-2% procent.

    What I have found so far:
    - If I reinstall nvidia drivers via Geforce Experience the problem goes away. The problem here is that I need to reinstall everytime windows restarts.
    - After that I found that the problem only happens when I have enabled my second monitor. As soon as I disable the second monitor the problem goes away. This leads me to believe there is a problem using multiple monitors.
    I then tried to debug using all combinations of 2 monitors (and I have 4 available so a lot of combo's) and the problem was always there when activating the second monitor.
    I have tried searching on google but all I ever get are the standard windows 10 laggy things and general fixes. What I have also found is to set the refresh rate of all connected monitors to the same (60gHz) but this does nothing as they already were at 60. Switching the resolution to something else and then back does nothing as well.
    Maybe some other important thing that I have noticed is that when I have 2 monitors enabled and have a fullscreen window on the background of my primary monitor (like firefox maximized). I then open itunes so it is on top of firefox, then show the miniplayer it is instant. As soon as 1 pixel from the desktop is shown (firefox not maximized) the lag reappears.
    I recently reinstalled windows 10 hoping to solve this problem but it didn't do nothing to solve the problem.

    My monitors are both connected to DVI btw.
    I also tried using the integrated graphics for the second monitor but the exact same problem appears.
    I also tried clean driver installs. And the NVIDIA driver version didn't seem to matter because I have this problem over a couple of driver iterations.

    I am currently at a dead end and don't know what else I could try.
      My ComputerSystem Spec

  2.    14 Feb 2017 #2

    I ran your specs through "The Bottleneck Calculator" & it said you GPU is too weak for this CPU by 17%

    Are you using a high resolution ?

    Also can you describe in detail your full system spec including ram - DDR3 or 4 ect please ?
      My ComputerSystem Spec

  3.    15 Feb 2017 #3

    It surely is not a bottleneck lol. Top 35 of the best graphics cards:
    PassMark - GeForce GTX 770 - Price performance comparison

    I'm just using 1920x1080 as resolution on both monitors

    memory: RAM is DDR3 1666Mhz
    psu: RMx Series™ RM750
    2 SSD's (500GB samsung 850 pro, 256GB samsung 840 evo)

    All in all a pretty nice rig.
      My ComputerSystem Spec

  4.    15 Feb 2017 #4

    Well the Bottleneck calculator said 17% - which means the GPU can not talk to the CPU as fast as it should making it a bottleneck in the system & lag can be asscociated with it !

    Otherwise I please post screenshots of Task Manager showing:

    Piccy of Processes Tab

    Piccy of Startup Programs tab

    ...also try these...

    W10 Clean Boot:

    Clean Boot - Perform in Windows 10 to Troubleshoot Software Conflicts - Windows 10 Tutorials

    Performance Tune:

    Optimize Performance of Windows 10 - Windows 10 Tutorials
      My ComputerSystem Spec

  5.    15 Feb 2017 #5

    I previously had a GTX 460 and there were no problems ..

    Everything is clean and tuned for performance.

    I'll make a screenshot of the processes that are running when I get home
      My ComputerSystem Spec


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