Windows 10: Sometimes after sleep the monitor is only showing a quarter of screen

Discus and support Sometimes after sleep the monitor is only showing a quarter of screen in Windows 10 Graphic Cards to solve the problem; This is intermittent, and has only started in the last few weeks. If the PC is woken from sleep sometimes the monitor briefly shows the top-left... Discussion in 'Windows 10 Graphic Cards' started by karma mechanic, Jan 29, 2020.

  1. Sometimes after sleep the monitor is only showing a quarter of screen


    This is intermittent, and has only started in the last few weeks.

    If the PC is woken from sleep sometimes the monitor briefly shows the top-left quarter of the image, then after a second or two blinks and shows it all correctly. The graphics is via the Intel HD Graphics 4600 with up-to-date drivers, the monitor is a Dell U2713H. PC is on 1909.


    Sometimes after sleep the monitor is only showing a quarter of screen [​IMG]


    It doesn't do it every time, but to get the pic I simply pressed 'sleep', waited a few seconds and then wiggled the mouse. The part of the desktop shown is the correct size and scaling, just missing the other three quarters... It always sorts itself out within a few seconds.

    Any ideas welcome.

    Edited to add that the part-image is actually 40% of the total horizontal width, and perhaps just over 50% of the total height it should be. The full image is 2560x1440.

    - - - Updated - - -

    Updated after some experimentation...

    I had Firefox open with tenforums, maximised.
    I pressed the sleep button, let it settle then wiggled the mouse, and I got this:

    Sometimes after sleep the monitor is only showing a quarter of screen [​IMG]


    Note in the above the top right corner where it says 'open menu', the cursor must have been on the options menu in Firefox when I pressed sleep. But on this screen the cursor is shown in the middle. It shows all the desktop this time, but if the desktop is the only thing showing then it only shows a quarter of that.

    The after a second or two it changed to this, the correct display:


    Sometimes after sleep the monitor is only showing a quarter of screen [​IMG]


    Very odd.

    :)
     
    karma mechanic, Jan 29, 2020
    #1

  2. Sometimes after sleep the monitor is only showing a quarter of screen

    This is intermittent, and has only started in the last few weeks.

    If the PC is woken from sleep sometimes the monitor briefly shows the top-left quarter of the image, then after a second or two blinks and shows it all correctly. The graphics is via the Intel HD Graphics 4600 with up-to-date drivers, the monitor is a Dell U2713H. PC is on 1909.


    Sometimes after sleep the monitor is only showing a quarter of screen [​IMG]


    It doesn't do it every time, but to get the pic I simply pressed 'sleep', waited a few seconds and then wiggled the mouse. The part of the desktop shown is the correct size and scaling, just missing the other three quarters... It always sorts itself out within a few seconds.

    Any ideas welcome.

    Edited to add that the part-image is actually 40% of the total horizontal width, and perhaps just over 50% of the total height it should be. The full image is 2560x1440.

    - - - Updated - - -

    Updated after some experimentation...

    I had Firefox open with tenforums, maximised.
    I pressed the sleep button, let it settle then wiggled the mouse, and I got this:

    Sometimes after sleep the monitor is only showing a quarter of screen [​IMG]


    Note in the above the top right corner where it says 'open menu', the cursor must have been on the options menu in Firefox when I pressed sleep. But on this screen the cursor is shown in the middle. It shows all the desktop this time, but if the desktop is the only thing showing then it only shows a quarter of that.

    The after a second or two it changed to this, the correct display:


    Sometimes after sleep the monitor is only showing a quarter of screen [​IMG]


    Very odd.
     
    karma mechanic, Feb 26, 2020
    #2
  3. Sasqui Win User
    Overclocking / Undervolting guide for Vega 56 or 64?

    Here's a quick laundry list:

    List of software to use for overclocking and testing
    Examples:
    Wattman (and how to find and use it, like an overview, including profiles)
    Unigine Valley or Heaven (use this for quick testing while changing settings in Wattman and checking for stability / artifacts) ...just suggesting this
    How to monitor cores / mem speeds and temps during testing (I've seen screen overlays, and others using GPUz)

    Step-by step overclocking in Wattman
    Fan speeds
    Power limit
    Temp limit
    Voltages
    Core speeds
    Memory speeds
     
    Sasqui, Feb 26, 2020
    #3
  4. Sometimes after sleep the monitor is only showing a quarter of screen

    Preventing sleep on laptop/monitor

    Hi Tricia,

    In order to help you with your concern about preventing your Windows 10 not to go to sleep mode, may we request you to answer the following questions first:

    • Have you made any recent changes to your computer system prior to getting this issue?
    • What is the current Build and Version of your Windows 10 PC? To know these information follow these steps:

    • Press the Windows key + R.
    • Type Winver.
    • Press Enter.
    • A small box will appear showing the current Build and
      Version
      of your PC.

    (Should you need to update your PC, you may click on this
    link
    . This will also show you the update history for Windows 10.)

    • Are you getting any error messages? If yes, kindly post it here.
    • What troubleshooting steps have you taken so far?

    You may utilize the troubleshooting suggestions from the post of
    Aleksandr 10 in this thread, to remedy the
    automatic sleep that your device is displaying. This link has been helpful to a lot of Community members who had the same concern and may also be helpful in the issue at hand.

    We look forward to your response.

    Regards.
     
    Jesrael Bor, Feb 26, 2020
    #4
Thema:

Sometimes after sleep the monitor is only showing a quarter of screen

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