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  1. #1
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    ASUS TUF 3080 (1) CTD (2) UEFI logo unable to be displayed on LG 27UL850

    My PC

    i7-9700K (no OC)
    Gigabyte Z390 I AORUS PRO WIFI
    G.Skill Trident Z DDR4 4266 19-19-19-39 8GBx2 (XMP)
    ASUS TUF 3080 vanilla
    LG 27UL850
    Club3D HDMI 2.1 cable
    Corsair SF750 PSU
    ----------------------------
    (1) CTD

    Yes. TUF 3080 has 60 MLCCs. But it does CTD.

    I bought the TUF 3080 on release day.
    It CTDs frequently when I play Dragon Quest XI on 4K resolution.
    I updated GeForce driver to 456.55 and 456.71. But it still CTDs.

    I temporarily resolved this CTD problem by downgrading my RAM to another pair of DDR4 4000 19-25-25-45.
    If I OC the DDR4 4000 19-25-25-45 RAM to DDR4 4000 18-18-18-38, it CTDs again.
    But if I don't use TUF 3080 but another RTX2080 graphic card, it doesn't CTD even I use DDR4 4266.

    Can ASUS help me to improve it?

    BTW, I used GPU-Z to monitor the TUF 3080's CTD behavior.
    When I used DDR4 4000 19-25-25-45, GPU clock was never higher than 1950 MHz.
    But when I used DDR4 4000 18-18-18-38 or DDR4 4266, GPU clock attempted to reach 2025 MHz randomly.
    When it succeeded reaching 2025 MHz, CTD happened.
    ----------------------------
    (2) UEFI logo unable to be displayed on LG 27UL850

    Everytime when I connect to LG 27UL850, it can't display motherboard's UEFI logo.
    But if I use the same cable to connect other monitors, it displays MB's UEFI logo properly.
    If I use other graphic cards or Intel UHD630 to connect to LG 27UL850, it displays MB's UEFI logo properly too.
    So I think it is just an exclusive issue between ASUS TUF 3080 and LG 27UL850.
    LG doesn't provide any firmware update about it.
    Will ASUS have a solution?

  2. #2
    New ROGer Array
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    Just found that the LG 27UL850 UEFI logo issue still happened with the latest 0dB fix VBIOS.
    Last edited by F-man4; 10-18-2020 at 02:15 AM.

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