Clevo p870dmg horizontal lines problem, need non G-sync version bios

Discussion in 'Sager and Clevo' started by Rikoshet, Dec 17, 2020.

  1. Rikoshet

    Rikoshet Notebook Enthusiast

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    Hello people!
    If someone of you have the bios for non G-sync version please share!
    Let me explain what is going on here.
    I need a powerful machine for video editing when I'm not at home. I'm using Mac OS on my PCs. Newer Mac OS is not supporting Nvidia gpu so I temporally installed 2x r9 m495x gpu cards from my old p370em.
    The problem is: during start up and in Windows I have those horizontal lines (click to enlarge)
    logo.jpg text.jpg

    I have zero problems once in Mac OS. Sometimes I need to use VMix under windows and using internal lcd would be nice. External LCDs are no problem.

    I think the problem is, maybe I'm wrong, the bios with G-sync support.

    Another symptom: tried 4k panel+4k cable, the screen is black.

    Thank you guys!
     
  2. Damin

    Damin Notebook Consultant

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    Hello I know this issue very well . 1 solution is to change the panel to a g sync one or to a non g sync one depending on what one is in the laptop now . Stick with the 1080p screen or if you have the 4k edp cable 40pin then use that

    Do not try flashing the vbios on the GPU ( you will kill it definitely ) and don't bother trying to change the laptop motherboard BIOS ( you will get the same issue again )

    And that is BAKED's BIOS iirc on the p870dmg you loos the g sync feature when flashing that bios on the 870dmg ( I have it on all my p870dmg systems )

    https://repo.palkeo.com/clevo-mirror/P870DMG/
    Username and password both repo

    BUT USE THIS AT YOUR OWN RISK ( I DONT THINK YOU NEED TO OR SHOULD ! )
     
  3. Rikoshet

    Rikoshet Notebook Enthusiast

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    Hello Damin! Thank for your inputs, appreciate that!
    SO, I bought it as DMG so I assume it has G-sync bios by default when it comes and even then I have had those lines. So I updated to Baked version v2 from here:
    https://www.techinferno.com/index.php?/files/file/103-p870dmg-new-version/

    Nothing changed.
    Since I have AMD card there is no vbios that support g-sync.

    What you mean by that? SInce I flashed Baked's v2 version I have no more g-sync? In that case the presence of line is strange, right?


     
  4. Meaker@Sager

    Meaker@Sager Company Representative

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    The BIOS probably has different panels whitelisted for G-Sync.
     
  5. Rikoshet

    Rikoshet Notebook Enthusiast

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    Is the a bios without whitelist? Thank you!
     
  6. Meaker@Sager

    Meaker@Sager Company Representative

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    No such thing when it comes to G-Sync.
     
  7. Rikoshet

    Rikoshet Notebook Enthusiast

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    Maybe I'm wrong, I was thinking the DM version is without G-sync so no such a whitelist. And to get a DM version it's enough to flash the DMG version with DM bios, am I wrong?
    Thank you!
     
  8. Meaker@Sager

    Meaker@Sager Company Representative

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    Got to be careful mixing and matching bios files with a g-sync vbios/card.
     
  9. Rikoshet

    Rikoshet Notebook Enthusiast

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    I'd like to avoid mixing so would you be so kind to provide me the non g-sync bios?
    Thanks!
     
  10. Damin

    Damin Notebook Consultant

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    Your BAKED BIOS has got rid of GSynce already

    The Clevo repo link I sent above has both p870dm & g

    My advice is change that AMD gpu it can't be worth it pick up a 980m or 1070m
     
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