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  1. #1
    ROG Junior Member Array
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    Exclamation Can't boot using GPU directly.

    Motherboard: Asus Rog Maximus XI Hero
    CPU: i9-9900k
    GPU: Asus Rog Strix 2080

    For some reason i cannot boot using the GPU ports directly, i get 1 long and 3 short. But if i use iGPU and can go into windows settings and make games use the RTX 2080 as a High Performance GPU (similar to how laptops with GPUs work).

    How the hell do i fix this? I have reseated it, updated bios, literally everything i can think of.

  2. #2
    ROG Guru: Blue Belt Array mdzcpa PC Specs
    mdzcpa PC Specs
    MotherboardMaximus Hero XI
    Processor9900k @ 5.1Ghz All Core 1.315v AVX -2
    Memory (part number)Gskill GTZ 4133 C17 32GB (4x8GB)
    Graphics Card #1ROG Strix 2080 TI OC
    Sound CardOn Board
    MonitorROG PG348Q
    Storage #1Samsung 970 Pro M.2 512GB for OS & APPS
    Storage #2Samsung 970 Pro M.2 1TB for GAMES
    CPU CoolerROG Ryujin 360
    CasePhanteks Evolv X
    Power SupplySeasonic Prime 1000W Titanium
    Keyboard Corsair K70 LUX RGB
    Mouse Corsair M65 RGB
    Headset Corsaur VOID Pro
    Mouse Pad Corsair MM300 Wide Desk Mat
    OS WIN 10 Pro
    Network RouterLinksys VELOP
    Accessory #1 ROG 751JY Laptop for Moobile Gaming
    Accessory #2 Koolance EXC-800 Chiller
    Accessory #3 25+ years of overclocking

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    Quote Originally Posted by 0x1027 View Post
    Motherboard: Asus Rog Maximus XI Hero
    CPU: i9-9900k
    GPU: Asus Rog Strix 2080

    For some reason i cannot boot using the GPU ports directly, i get 1 long and 3 short. But if i use iGPU and can go into windows settings and make games use the RTX 2080 as a High Performance GPU (similar to how laptops with GPUs work).

    How the hell do i fix this? I have reseated it, updated bios, literally everything i can think of.

    Is the GPU being properly powered up? Are the white power LEDs on the card lit up when plugged in? If not, and you're running a modular power supply, double check the GPU and PSU connections. What PSU are you running?

  3. #3
    ROG Junior Member Array
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    Quote Originally Posted by mdzcpa View Post
    Is the GPU being properly powered up? Are the white power LEDs on the card lit up when plugged in? If not, and you're running a modular power supply, double check the GPU and PSU connections. What PSU are you running?
    Yes both of the 8 pins have a white light on them. It's a corsair 850x psu

  4. #4
    ROG Guru: Blue Belt Array mdzcpa PC Specs
    mdzcpa PC Specs
    MotherboardMaximus Hero XI
    Processor9900k @ 5.1Ghz All Core 1.315v AVX -2
    Memory (part number)Gskill GTZ 4133 C17 32GB (4x8GB)
    Graphics Card #1ROG Strix 2080 TI OC
    Sound CardOn Board
    MonitorROG PG348Q
    Storage #1Samsung 970 Pro M.2 512GB for OS & APPS
    Storage #2Samsung 970 Pro M.2 1TB for GAMES
    CPU CoolerROG Ryujin 360
    CasePhanteks Evolv X
    Power SupplySeasonic Prime 1000W Titanium
    Keyboard Corsair K70 LUX RGB
    Mouse Corsair M65 RGB
    Headset Corsaur VOID Pro
    Mouse Pad Corsair MM300 Wide Desk Mat
    OS WIN 10 Pro
    Network RouterLinksys VELOP
    Accessory #1 ROG 751JY Laptop for Moobile Gaming
    Accessory #2 Koolance EXC-800 Chiller
    Accessory #3 25+ years of overclocking

    Join Date
    Nov 2011
    Reputation
    79
    Posts
    912

    Quote Originally Posted by 0x1027 View Post
    Yes both of the 8 pins have a white light on them. It's a corsair 850x psu

    Has the GPU worked in the past?

    What slot do you have it installed?

    How are you connecting to the monitor?

    1 long and 3 short is definitely the GPU failing to initialize.

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