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Panzermk2
New Participant
November 12, 2020
Solved

White horizontal stripe across screen while using link

Headset seems to work fine stand-alone.  I use the headset with IRacing, and often (not always) get a translucent horizontal stripe across the screen after about 15 minutes or so.  It doesn't feel like the headset is overheating.  This doesn't show up on the screen mirror on PC, or if I "mirror" with the debug tool.  Is this likely a failing display or is there somewhere else I should look?

    PokebertAnswer
    Participant
    March 20, 2023

    UPDATE: POSSIBLE WORKAROUND/FIX USING REGISTRY EDITOR

    As I theorized above, this issue does NOT occur for those who use Air Link. Air Link uses HEVC and uses 1 slice for its encoding, whereas wired Link uses H.264 and 5 slices for encoding. Whenever the white bar issue occurs, it is very likely the final 5th slice experiencing an error in the encoding. If you pay close attention when this occurs, you will likely notice it only occurs in the bottom slice of the screen.

    To use this workaround, open Command Prompt and use the following:

    • reg add "HKEY_CURRENT_USER\SOFTWARE\Oculus\RemoteHeadset" /v "numSlices" /t REG_DWORD /d "1" /f

    I will be experimenting with this for the next few weeks to make sure  I do not get the white bar issue!

    Original Post on REVISITED thread:

    I have noticed that this is related to the horizontal encoding slices that are visible only through the Link Cable. A very easy stopgap solution would be to offer a toggle in the OculusDebugTool that allows us to turn OFF these encoding slices. Additionally, the encoding slices do not appear with Air Link and thus the issue has almost never occurred wirelessly according to both personal experience and these threads.

    View in thread

    1125 replies

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    racingjunkie76
    Participant
    March 25, 2021

    I'm pretty sure it's after V25

    racingjunkie76
    Participant
    March 25, 2021

    And I think it's only on RTX cards. 

    racingjunkie76
    Participant
    March 26, 2021

    Well It came back after 20 mins or so yesterday. I will try to revert to older Nvidia drivers as I can't revert to v25 on the quest software. Apparently 457.30 is a good one for VR...

    racingjunkie76
    Participant
    March 27, 2021

    No problem yesterday for about 40 mins with Nvidia V 457.30. I also didn't get any black screen flashes and stuttering while having over 5% headroom. I will try again later today and keep you posted.

      markantony007
      Participant
      March 31, 2021

      3080 here with this issue in MSFS2020 and DCS World.

       

      Edit: Just updated NVIDIA drivers to 465.89 and did the Resizable BAR firmware update and the problem still persists.

      Sp0uny
      Participant
      April 2, 2021

      This problem plagues my life since mid-January and the release of version 24.
      I wonder if it is really taken into account by the Oculus team.
      No improvement with version 25, then 26, then 27.

      Would it be possible to have confirmation from someone from Oculus that this issue is known.
      Is something done to solve it, or nobody cares, or consider it to be a hardware/software problem on users' PCs ?

      I tried everything that was suggested in this topic, from resetting the headset, to the settings of the usb on the PC, still that **bleep** white horizontal strip in Dirt Rallye 2.0.
      The only solution to get out of it, is to unplug the USB from the headset, plug it back in because that has the effect of relaunching Oculus link.
      The usb port of the headset will end up being screwed up because of that, to play Dirt Rally 2.0 for 2 hours I unplug and plug in the USB connector at least 20 times!

      Oculus, please we need help.

      Thanks.

        jokers12
        Participant
        April 3, 2021

        Hi everyone, 

        Just an update, I replaced my motherboard and CPU just because I wanted an upgrade and I no longer have the horizontal artifact. Most likely not helpful to anyone but I thought I would at least mention it.

        Sp0uny
        Participant
        April 5, 2021

        Hi,

        All the information is good to take, and may help to understand where this problem comes from.
        What you say make think of the management of the usb by the MB ?
        I've already tried all the USB 3 ports on the PC, on the front panel and on the MB rear panel, USB type C and type A.

        Nothing could help, only version 23 of oculus link did not give me any problems...

        Amaradan
        Participant
        April 5, 2021

        In my case plugging my Oculus Quest in the front panel USB 3 port did solve the problem, definitely worth a try!

        Anonymous
        April 14, 2021

        I concur, took the cable from a USB3 Gen2 and put into a front USB3 Gen1 and it has solved the issue for me so far.  No other changes made.

        jmlinareslinares69
        New Participant
        April 7, 2021

        Seme problem here, I was playing MSFS2020 for a several weeks, but since two days ago the white strip at bottom appears, it’s very annoying. We really need help with that because we spend a lot of money to use VR games. I use a RTX3070 and the oficial cable.  I really have to say they the VR  it’s a nightmare 

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