Monitor resolution "split" in middle

  1. Posts : 4
    Win10 64bit

    Monitor resolution "split" in middle

    I am running into an issue, where sometimes my monitor seems to "split" the resolution, so there is this middle line running down the very middle of it, which appears to be empty, and it causes the screen to look split. It's sort of hard to describe, so please see the picture here: This seems to happen after the computer wakes up from sleep mode. Note that taking a screenshot doesn't show the issue, and I had to take that with my phone.
    I am running windows 10 64 bit. I recently got a new graphics card, a radeon fury, which is updated to the latest drivers 16.7.3. This didn't happen before getting the new card, so I'm inclined to think it's related to that.
    I have two monitors set up, one is a 144hz 1440p resolution (MG279q, displayport to mini displayport), and the other is 1080p 60 hz (hdmi). Previously, before I got the new graphics card I never ran into this issue.
    The issue will go away if I switch the displayport stream between 1.2 to 1.1 and then back to 1.2, or if I restart the computer.
    Any help is appreciated. Thanks.
      My Computer

  2. Posts : 102
    win 10 pro (22H2)

    Possible video setting is in demo mode ( although most report a verticle red line).
      My Computer

  3. Posts : 4
    Win10 64bit
    Thread Starter

    That doesn't seem to be the issue. I went to catalyst control center and even with demo off, the screen still splits after waking up from the monitor power save mode.
      My Computer

  4. Posts : 4
    Win10 64bit
    Thread Starter

    Bumping if you don't mind, I would appreciate any further help. I've been searching around for similar issues but am having difficulty finding anything like this. Thanks.
      My Computer

  5. Posts : 102
    win 10 pro (22H2)

    If you add your system specs, someone may have an answer.
    Also, does it occur with only one monitor (either/or) connected, are you using passive adaptors ?.
    I'm not on multi monitor setup, so can't help further.
      My Computer

  6. Posts : 4
    Win10 64bit
    Thread Starter

    It occurs with only one monitor (the primary one) which is the `1440p one. My specs are in my original post but I'll outline them here so it's easier:
    Operating System
    Windows 10 Pro 64-bit
    Intel Core i5 3570K @ 3.40GHz
    16.0GB Dual-Channel DDR3 @ 799MHz
    P8Z77-V LX
    DELL ST2421L (1920x1080@60Hz)
    ASUS MG279 (2560x1440@144Hz)
    4096MB ATI AMD Radeon R9 Fury Series
      My Computer

  7. Posts : 33
    Windows 10 Home x64

    I have the exact same problem! Did you find a solution?
      My Computer


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