Monitor doesn't wake up from stand-by

Discussion in 'Videocards - AMD Radeon Drivers Section' started by PJVol, Aug 27, 2020.

  1. PJVol

    PJVol New Member

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    GPU:
    AMD Sapphire RX5700
    HI there! Need help.
    A while ago, I found that the monitor's power saving feature does not work if any of the monitoring tools is running in the background. So far among the troublesome RTSS, CPU-Z, HWInfo.
    What happens: monitor does not resume from stand-by on keyboard/mouse events. In fact, it kinda wakes up, since the backlight turns on, but no "handshake" with the GPU occured, only one sound of "device disconnect" is heard instead of two (followed by "device connect") and the screen remains black with ocassionally flickering thin horizontal gray stripes.
    In this case, it can be revived by turning off/on it's power button.
    If anyone knows the reason for this behavior or has a solution, I would be grateful

    PC: Ryzen 3600X, X370 Taichi, 2x8 ddr4 3600, RX 5700XT <=DP=> Samsung C32H711
     
  2. itpro

    itpro Master Guru

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    You do not really need those tools running around though. They are gimmicks. If they work as you like keep them, if they hurt you, remove them. Simple and reliable solution.
     
  3. PJVol

    PJVol New Member

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    GPU:
    AMD Sapphire RX5700
    Sure it is, although quite radical one. What bothered me, is that something seem broken in the latest driver releases, since it start happening recenly. Thanks anyway.
     
  4. itpro

    itpro Master Guru

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    If you have a feeling that drivers are at fault, try some older packages and note down the last fully working driver. It isn't always the best option to have the latest/newest one.
     

  5. Pictus

    Pictus Member Guru

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    GPU:
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  6. Chastity

    Chastity Ancient Guru

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    GPU:
    Nitro 5700 XT
    Just wanted to add that I had an issue with 20.8.2 where my 2nd monitor wouldn't wake from Sleep, and went into a detection loop, fixed by Ctrl-Alt-Win-B. Happy to say that 20.8.3 is not having this issue.
     
  7. PJVol

    PJVol New Member

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    GPU:
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    There are so many apps and services running in BG that I would not give it too much weight, rather, there may be conflicts in some processes after their update, as well as with OS updates.

    Whatever... the good news is 20.9.1 drivers seems to fix that.
    It's funny that I've never seen this in the release notes before (at least not in "known issues") :
    • On some displays, power cycling the display while Radeon FreeSync is enabled may cause the display to remain black until the system is rebooted or the display is hot plugged.
    So far, it seems OK, except for
    annoying pairs of system sounds "disconnect device" - "connect device", repeated at random intervals when the monitor is in standby mode.
     
    Last edited: Sep 20, 2020 at 1:37 AM

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