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Monitor randomly going blank and coming back after 1-2 secs

Codat Claudiu 0 Reputation points
2025-12-16T21:09:33.18+00:00

Alright i come here as my last resort to try and fix my problem. I have just bought a new monitor from AOC, the agon q27g4xf, and i run a MSI RTX 5060 8G Ventux 2x, also a 650w CorsairCX. The first few days i didnt experience any problems, but after like 1 week, my monitor would randomly go blank (black screen, still turned on) and come back after 1-2 secs. I tought this could be a driver issue, rolled back drivers , still not fixed. Okay maybe monitor drivers. Got those installed, still happening. Maybe the cables? I switched to a iVANKY 1.4 DP that can easily run 1440p 240hz (my monitor is 180hz for refference). Still happening. I changed to the HDMI cable that the monitor came with and it did not happen again, but i dont know if that was a coincidence, but i used it for more than 12+ hours with no issue, but only with 144hz. Important thing to note is that this blanking occurs randomly, and once it happened once, it will keep happening over and over until i restart the pc or shutting it down. Replugging cables does not work and same with the different DP ports on my 5060. So i have no ideas left but to RMA the card, but im sure it's not from my GPU, i just know it (copium). Plis help (video of it happening on drive -> https://drive.google.com/file/d/1BQIA_XH5LnAYN-DB1RQ1oqjUCx5UIrbo/view?usp=drivesdk)

Windows for home | Windows 11 | Display and graphics

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  1. Codat Claudiu 0 Reputation points
    2025-12-22T05:34:47.24+00:00

    Alright, so after further testing i come back and i can say the problem is mostly gone. I switched to gpu display in nvidia app and set to 165hz. Now it does not happen anymore, only on (most) games that are fullscreen. When i alt tab into or out the game, screen goes black for 4-5 seconds then comes back. An easy fix i found is just to play borderless. I will do more testing and will come back here if anything happens.

  2. Lucus-V 6,410 Reputation points Microsoft External Staff Moderator
    2025-12-21T08:04:39.72+00:00

    Hi Codat Claudiu,
    Welcome to Microsoft Q&A forum. I'm happy to help.

    From what you described, your GPU might have been damaged.

    The damage is not so critical leads to hardware failure, but your GPU Core or GPU Memory may degrade and cannot be stable as before.

    The reason could be you GPU is not receiving enough power for a long time (may from bad PSU too), or your GPU is overclocked too much and running with high stress for a long time.

    You may try underclock your GPU Core and GPU Memory to lower frequency as workaround.

    I hope that above information is helpful to you.

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".

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  3. John Oliver 11,620 Reputation points Independent Advisor
    2025-12-17T15:05:29.5366667+00:00

    Thanks for the update, Since you’ve already updated the VBIOS and monitor firmware, disabled G-Sync, and confirmed the DP cable is VESA certified, the next step is to test stability at different refresh rates.

    170 Hz is a good starting point because it reduces bandwidth slightly while keeping performance close to your target. If the issue persists at 170 Hz, try 165 Hz. If it still happens, drop to 144 Hz for maximum stability. Many users report that even a small reduction from the maximum refresh rate can eliminate DP handshake issues. If 170 Hz runs fine for several hours without black screens, you can keep it there. If not, go lower until the problem disappears. This will confirm whether the issue is bandwidth-related rather than hardware.

  4. John Oliver 11,620 Reputation points Independent Advisor
    2025-12-16T21:49:09.6+00:00

    Hello Codat Claudiu, thanks for posting this in our community.

    Even if your DisplayPort cable is rated for 1.4, some lower-quality cables can fail at high bandwidth. Use a certified VESA DisplayPort 1.4 cable and avoid adapters or extensions.

    Try disabling or enabling Display Stream Compression (DSC). DSC is often used for high refresh rates on DisplayPort, but some monitor and GPU combinations have bugs with it. To check, open the NVIDIA Control Panel, go to Change Resolution, and review the Output Color Format. If your monitor or GPU settings include a DSC toggle, try disabling it.

    Reduce the refresh rate temporarily and test at 144Hz via DisplayPort. If the issue disappears, it’s likely related to bandwidth at 180Hz. If 144Hz works fine, the problem is probably signal integrity at the higher refresh rate.

    Update your GPU firmware and monitor firmware. NVIDIA occasionally releases VBIOS updates for signal stability, and AOC monitors often have firmware updates for DisplayPort handshake issues. Check MSI support for RTX 5060 VBIOS updates and AOC’s website for monitor firmware.

    Disable G-Sync or Adaptive Sync. Sometimes these features cause black screens during refresh negotiation. In the NVIDIA Control Panel, disable G-Sync and test again.

    Review your power settings. Make sure PCIe Link State Power Management is set to Off in Windows Power Options and disable Fast Startup in Windows.

    If possible, test another DisplayPort port or GPU to rule out hardware faults. If HDMI works perfectly and DisplayPort fails only at high refresh rates, this is not a GPU failure it’s either cable quality or monitor DisplayPort firmware. RMA should be the last resort after firmware and cable checks.

    Kind regards,

    John Oli

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