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Hot!Z490 Dark KP -- No video output (dead?)

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valakiakiszeretiafocit
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2023/11/12 01:20:30 (permalink)
Hey everyone!
I flashed a BIOS via FLASHBACK, and this is what happened: the board boots up, then stops for 2 seconds at 63, then stops at 65 about 4 seconds long, then 4 seconds at 6F, then 7F for 4 seconds as well -- then proceeds to boot, but no video output is detected (= d6). - you can check what the POST codes mean
Then according to the LED indicator, I'm in the BIOS (= A6) - but obviously no video output. It doesn't matter from which BIOS chip I boot, the issue is persistent though I only flashed the BIOS on 1 chip -- and of course, FLASHBACK doesn't solve the issue, no matter what BIOS I flash.
The board sometimes instead of entering the BIOS (theoretically --> "A6") gets past the POST process and tries to enter the OS -- this "theory" is supported by the LED indicator which displays the CPU temps after the POST process by default. After about 10 seconds, the CATERR LED lights up. It's also important to note that the keyboard receives power during the POST process but after the board attempts to enter the OS, it does not.
It isn't the GPU (it was working before and it is working in another computer). I already left the battery out for a whole night, but nothing. Also rebuilt the computer, and apart the CPU (which I cannot test since I don't have another compatible motherboard) every component is functional.
What should I do?
post edited by valakiakiszeretiafocit - 2023/11/18 03:55:29
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    rjohnson11
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    Re: Z490 Dark KP -- No video output (dead?) 2023/11/12 03:25:16 (permalink)
    You have a switchable BIOs so if you didn't flash all of the BIOs move the physical BIOs switch to another BIOs that is not flashed and see if this resolves the issue. 

    AMD Ryzen 9 7950X,  Corsair Mp700 Pro M.2, 64GB Corsair Dominator Titanium DDR5  X670E Steel Legend, MSI RTX 4090 Associate Code: H5U80QBH6BH0AXF. I am NOT an employee of EVGA

    #2
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2023/11/12 03:44:49 (permalink)
    valakiakiszeretiafocit
    It doesn't matter from which BIOS chip I boot, the issue is persistent though I only flashed the BIOS on 1 chip

    I tried that already as you can see from my previous message - for some reason the issue remains
    #3
    Sajin
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    Re: Z490 Dark KP -- No video output (dead?) 2023/11/12 11:01:07 (permalink)
    Did you try the card in another pci-e slot? Did you try hdmi and dp outputs on the video card?
    #4
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2023/11/17 10:24:07 (permalink)
    Sajin
    Did you try the card in another pci-e slot? Did you try hdmi and dp outputs on the video card?

    Yeah - attempted both already -- same outcome
    #5
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2023/11/18 03:54:44 (permalink)
    UPDATE: the board sometimes instead of entering the BIOS (theoretically --> "A6") gets past the POST process and tries to enter the OS -- this "theory" is supported by the LED indicator which displays the CPU temps after the POST process by default. After about 10 seconds, the CATERR LED lights up. It's also important to note that the keyboard receives power during the POST process but after the board attempts to enter the OS, it does not.
    (updated the original post as well)
    #6
    rjohnson11
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    Re: Z490 Dark KP -- No video output (dead?) 2023/11/18 04:01:55 (permalink)
    Disconnect every single USB item from the motherboard. What is the behavior when attempting to boot?

    AMD Ryzen 9 7950X,  Corsair Mp700 Pro M.2, 64GB Corsair Dominator Titanium DDR5  X670E Steel Legend, MSI RTX 4090 Associate Code: H5U80QBH6BH0AXF. I am NOT an employee of EVGA

    #7
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2023/11/18 04:14:37 (permalink)
    rjohnson11
    Disconnect every single USB item from the motherboard. What is the behavior when attempting to boot?


    Exactly the same behaviour, only difference is that after "d6" now "d7" is also displayed
    #8
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2023/11/19 08:40:45 (permalink)
    Any other ideas? - I've ordered an SPI programmer but to be honest I don't think it will fix the issue as I've only flashed the BIOS on 1 chip, yet none of them works. Like it'd be hilarious if after a BIOS flash the board can't be used anymore
    #9
    Jaaco
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    Re: Z490 Dark KP -- No video output (dead?) 2023/11/26 09:02:25 (permalink)
    valakiakiszeretiafocit
    Any other ideas? - I've ordered an SPI programmer but to be honest I don't think it will fix the issue as I've only flashed the BIOS on 1 chip, yet none of them works. Like it'd be hilarious if after a BIOS flash the board can't be used anymore



    I recommend checking the CMOS battery.
     
    Luumi uploaded a video, "Bad Motherboard CMOS Battery - PC will not turn on: How to FIX (EVGA SR-3 DARK)": youtube.com/watch?v=ir6ntqWJjuo
    #10
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2023/11/28 10:30:43 (permalink)
    Unfortunately it isn't the CMOS battery as the board boots (unlike by Luumi) with and without the battery (+ I checked the voltage with a multimeter).

    Any ideas what is the `SP1` connector used for? I didn't find any documentations related
    #11
    Jaaco
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    Re: Z490 Dark KP -- No video output (dead?) 2023/12/01 16:34:35 (permalink)
    interesting , i also could not find any documentation.
    the SPI socket must be for external BIOS programming since I don't see how you could attach a clip.
     
    edit: i counted 8 pins. i'll update you if i find anything.
    post edited by Jaaco - 2023/12/01 19:47:01
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    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2023/12/08 14:04:57 (permalink)
    I've received the SPI programmer, but I can't attach the clip properly. The chip is not detected when attached to the BIOS chip, nor when to the SPI1 connector
    #13
    Jaaco
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    Re: Z490 Dark KP -- No video output (dead?) 2023/12/31 11:33:53 (permalink)
    valakiakiszeretiafocit
    I've received the SPI programmer, but I can't attach the clip properly. The chip is not detected when attached to the BIOS chip, nor when to the SPI1 connector


    heres a detailed post that should help you: https://www.elmorlabs.com/forum/topic/spi-header-pinouts/
     
    i'm planning to try myself on the Z490 Dark this week and will update you.
    #14
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2024/01/03 04:07:24 (permalink)
    Jaaco
    valakiakiszeretiafocit
    I've received the SPI programmer, but I can't attach the clip properly. The chip is not detected when attached to the BIOS chip, nor when to the SPI1 connector


    heres a detailed post that should help you: 
     
    i'm planning to try myself on the Z490 Dark this week and will update you.


    I've already read that blog but unfortunately couldn't get it work. If you can get it to work, I'd highly appreciate your experience - thank you, really!! Happy New Year! :)
    #15
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2024/01/09 08:52:25 (permalink)
    Jaaco
    i'm planning to try myself on the Z490 Dark this week and will update you.


    Have you had any luck trying it?
    post edited by valakiakiszeretiafocit - 2024/01/09 08:53:30
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    Jaaco
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    Re: Z490 Dark KP -- No video output (dead?) 2024/01/09 15:59:03 (permalink)
    I'm still planning on this - I forgot my brother has my SPI programmer for a coreboot project.
    I have my jumper cables and adapter ready but he has my green CH341a (and clip).
    Sorry to extend this , but I need a little more time.
    #17
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2024/01/13 13:51:02 (permalink)
    No worries - these couple of days don't matter :D
    Just keep me updated. I've ordered some micro IC hook clips as well, since the normal SOP8 clip is not good for this package type / for the SPI1 connector
    #18
    Jaaco
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    Re: Z490 Dark KP -- No video output (dead?) 2024/01/17 16:01:42 (permalink)
    My jumper ribbon cables are too wide to fit together on the SPI1 connector.
     
    I'm sorry to say it appears to requires tape with probes and this ends my attempt. I wanted to try but I can't spend the time needed for probes.
     
    SPI FLASH chip documentation: https://www.gayocen.cn/zyGD/806.html
     
    I'm familiar with coreboot's flashrom:
    git clone https://review.coreboot.org/flashrom.git && cd flashrom
    make
    sudo ./flashrom -p ch341a_spi -w /home/user/backup.bin
     
    really wish you luck. takecare.
    #19
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2024/01/27 14:14:20 (permalink)
    Any news?
    #20
    Jaaco
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    Re: Z490 Dark KP -- No video output (dead?) 2024/02/24 11:43:14 (permalink)
    I wrote back a few weeks ago but my post disappeared.
     
    my jumper cables do not fit the pins .. so this requires probes (with tape to hold in place). im sorry to say this ends my attempt.
    #21
    valakiakiszeretiafocit
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    Re: Z490 Dark KP -- No video output (dead?) 2024/06/23 06:17:17 (permalink)
    Any idea how to contact EVGA support (without being able to register the product on their site)?
    #22
    Cool GTX
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    Re: Z490 Dark KP -- No video output (dead?) 2024/06/23 10:47:12 (permalink)
    valakiakiszeretiafocit
    Any idea how to contact EVGA support (without being able to register the product on their site)?


    Please contact EVGA by email at  Support@EVGA.com
     
    Include the product part# & the serial #
     
    you can reference your thread https://forums.evga.com/FindPost/3615446
     

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