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  1. #1
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    Zenith II Extreme PCI-E 16x slot issue with graphics card

    Hi,

    I have a Zenith II Extreme, a 3960X and a 2080 ti and I've had issues with both PCI-E 16x slots (slot_1 and slot_3).
    Everything is fine in Windows 10 and in applications, but when I reboot my PC (from Windows or the UEFI) I get a black screen (the monitor has a signal, it's just black)
    No indication UEFI or Windows can't detect a GPU, everything is running fine execpt for the fact the screen is black.
    This doesn't happen if I shutdown/startup the PC, only on reboots.

    When I move my GPU to the 8x slot (slot_2) everything works fine. I have no idea if there's a defect with the physical 16x slots on my motherboard or this is a UEFI issue (I'm running ver 1101)

  2. #2
    ROG Member Array uxmalru PC Specs
    uxmalru PC Specs
    MotherboardASUS ROG Zenith II Extreme Alpha TRX40
    ProcessorAMD Ryzen Threadripper 3970X
    Memory (part number)CORSAIR Vengeance RGB Pro 128GB (4 x 32GB) CMW128GX4M4D3600C18
    Graphics Card #1ROG Strix GeForce RTX™ 2080 Ti OC
    Sound CardSound Blaster AE-9 + Burson Op-Amp's V6 Vivid
    MonitorAsus ROG Strix XG248Q + Valve Index = 4 Base Station's
    Storage #1addlink S70 2TB SSD NVMe PCIe 3x4 M.2 2280 X 4
    Storage #2segate external 2tb
    CPU CoolerNZXT Kraken Z3
    CaseAntec Torque Red
    Power SupplyCorsair AX1600i Digital ATX
    Keyboard Asus ROG Claymore Core-And- Corsair K63 Wireless Lapboard Combo
    Mouse Corsair DARK CORE RGB PRO SE
    Headset STAX SR-L300 + SRM-252S
    Mouse Pad Corsair MM1000 Qi
    Headset/Speakers beyerdynamic DT 990 Edition 600 Ohm
    OS WIndows 10 Pro for Workstation
    Network RouterAsus ROG Rapture GT-AC5300
    Accessory #1 Emotiva BasX A-100 Stereo Flex Amplifier

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    try on bios=Advance->Onboard Devices Configuration->PCIEX16_1 Mode=GEN 3. see if it helps instead of AUTO

  3. #3
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    Tried that didn't help unfortunately

  4. #4
    ROG Member Array uxmalru PC Specs
    uxmalru PC Specs
    MotherboardASUS ROG Zenith II Extreme Alpha TRX40
    ProcessorAMD Ryzen Threadripper 3970X
    Memory (part number)CORSAIR Vengeance RGB Pro 128GB (4 x 32GB) CMW128GX4M4D3600C18
    Graphics Card #1ROG Strix GeForce RTX™ 2080 Ti OC
    Sound CardSound Blaster AE-9 + Burson Op-Amp's V6 Vivid
    MonitorAsus ROG Strix XG248Q + Valve Index = 4 Base Station's
    Storage #1addlink S70 2TB SSD NVMe PCIe 3x4 M.2 2280 X 4
    Storage #2segate external 2tb
    CPU CoolerNZXT Kraken Z3
    CaseAntec Torque Red
    Power SupplyCorsair AX1600i Digital ATX
    Keyboard Asus ROG Claymore Core-And- Corsair K63 Wireless Lapboard Combo
    Mouse Corsair DARK CORE RGB PRO SE
    Headset STAX SR-L300 + SRM-252S
    Mouse Pad Corsair MM1000 Qi
    Headset/Speakers beyerdynamic DT 990 Edition 600 Ohm
    OS WIndows 10 Pro for Workstation
    Network RouterAsus ROG Rapture GT-AC5300
    Accessory #1 Emotiva BasX A-100 Stereo Flex Amplifier

    Join Date
    Jul 2013
    Reputation
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    Posts
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    i just remember in the past i got a cable for my monitor in color red and i got black screen. so i use the one of the original. maybe check the cable and cables for powering the 2080ti. I use asus 2080ti and corsair AX1600i Digital ATX Power Supply

  5. #5
    ROG Junior Member Array Nocturney PC Specs
    Nocturney PC Specs
    MotherboardRampage V Extreme/3.1
    ProcessorI7-5820k @4.0Ghz
    Memory (part number)2 X Crucial BLS16G4D240FSE.16FBD
    Graphics Card #1Asus Strix GTX 970
    Graphics Card #2Asus Strix GTX 970
    MonitorSamsung C34F971
    Power SupplyEVGA Supernova 1300G1

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    Quote Originally Posted by Helskor View Post
    Hi,

    I have a Zenith II Extreme, a 3960X and a 2080 ti and I've had issues with both PCI-E 16x slots (slot_1 and slot_3).
    Everything is fine in Windows 10 and in applications, but when I reboot my PC (from Windows or the UEFI) I get a black screen (the monitor has a signal, it's just black)
    No indication UEFI or Windows can't detect a GPU, everything is running fine execpt for the fact the screen is black.
    This doesn't happen if I shutdown/startup the PC, only on reboots.

    When I move my GPU to the 8x slot (slot_2) everything works fine. I have no idea if there's a defect with the physical 16x slots on my motherboard or this is a UEFI issue (I'm running ver 1101)

    What case are you using ?
    Some have weird clearance issues that lead to the gpu being not fully or properly inserted to the slot.

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