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  1. #1
    ROG Member Array dehinson PC Specs
    dehinson PC Specs
    MotherboardASUS Crosshair V Formula-Z FX990
    ProcessorAMD FX-8350 Black Edition Vishera 8-Core 4.0GHz*
    Memory (part number)993982
    Graphics Card #1EVGA GeForce GTX 760 Dual Superclocked w/ EVGA ACX
    Storage #1SAMSUNG 850 EVO MZ-75E500B/AM 2.5" 500GB
    CPU CoolerCORSAIR Hydro Series H105 Extreme Performance 240mm Liquid CPU Cooler
    CaseLian Li PC-A79B
    Power SupplyEVGA 220-P2-1200-X1 1200W ATX12V / EPS12V

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    New Build 3700x, Q-Code 02 with Boot Led

    Hello,
    Working on new build....
    MB: ASUS Crossfire VII Hero x470
    CPU: AMD Ryzen 7 3700X
    PSU: EVGA 1000 G+
    GPU: EVGA Geforce GTX 1660 Ti 06G-P4-1667-KR
    Memory: HyperX Predator HX432C16PB3K4/32
    M.2: Samsung V-NAND SSD 970 EVO Plus NVMe M.2

    I have been encountering a Q-Code of 02 and the Boot Led illuminated. I have RMA'd the motherboard, but still same issue. I believe one of the M.2 sticks is hosed since Windows doesn't recognize it as a drive to install. So, after I swapped it out , still get the Q-Code 02 and Boot Led, but was able to install Windows after exiting the Bios Menu without saving.

    So, I just ordered different memory G.SKILL Ripjaws V Series 32GB (4 x 8GB) 288-Pin DDR4 SDRAM DDR4 3600 (PC4 28800) to see if that is the issue. Will be here in 4 days. If that does not fix the issue, then next would be a graphics card swap-out.

    Has anyone has issue with the GTX 1660 Ti cards?

    Before you ask, I have re-seated, unplugged, re-plugged and done several Bios down grades and upgrades. The current Bios level is 3004.

  2. #2
    New ROGer Array bluestang PC Specs
    bluestang PC Specs
    MotherboardASUS ROG Crosshair VII Hero
    ProcessorRyzen 3900X
    Memory (part number)F4-3600C15D-16GTZ (2 kits)
    Graphics Card #1MSI Armor OC 1660ti
    Graphics Card #2MSI Armor OC 1660ti
    MonitorASUS VZ249H
    Storage #1Samsung 970 EVO 250GB NVMe
    Storage #22x WD Red 10TB (RAID1)
    CPU CoolerFractal Design Celcius S36
    CasePhanteks Enthoo Luxe TG
    Power SupplySeaSonic Focus Plus Platinum 850W
    Keyboard Logitech MK-710 Combo
    OS Windows 10 Pro
    Network RouterASUS RT-N66U

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    Quote Originally Posted by dehinson View Post

    Has anyone has issue with the GTX 1660 Ti cards?
    I'm on 3004 BIOS on my CH7 with a 3900X and 2x 1660ti without an issues.

  3. #3
    ROG Member Array dehinson PC Specs
    dehinson PC Specs
    MotherboardASUS Crosshair V Formula-Z FX990
    ProcessorAMD FX-8350 Black Edition Vishera 8-Core 4.0GHz*
    Memory (part number)993982
    Graphics Card #1EVGA GeForce GTX 760 Dual Superclocked w/ EVGA ACX
    Storage #1SAMSUNG 850 EVO MZ-75E500B/AM 2.5" 500GB
    CPU CoolerCORSAIR Hydro Series H105 Extreme Performance 240mm Liquid CPU Cooler
    CaseLian Li PC-A79B
    Power SupplyEVGA 220-P2-1200-X1 1200W ATX12V / EPS12V

    Join Date
    May 2015
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    While I am waiting for the new dram sticks to arrive, I thought I'd do some more analysis....

    I noticed that the boot led lights up when Q-Code 99 is first displayed. Hmm, maybe even though I can boot from the M.2, it's the issue with the boot led. So, I removed the M.2 and plugged in a Samsung 860 EVO SSD. Still the same issue, green/yellow boot led and Q-Code 02.

    Also, I unplugged the Corsair H115i Pro water cooler from the board, only temporarily, to see if that was the issue. Nope same issue.

    Thank you for the reply on the graphics card. But it is not eliminated yet.

  4. #4
    ROG Guru: Brown Belt Array davemon50 PC Specs
    davemon50 PC Specs
    Laptop (Model)Asus G752VY-DH72 (17") and Asus G752VT-DH74 (17")
    MotherboardAsus ROG LGA2011-v3 Rampage V Edition 10, x99 EATX
    ProcessorIntel Core i7-6950X Extreme 10-core 25MB Cache 3.0 GHz
    Memory (part number)Corsair Vengeance LPX Red DDR4 DRAM 64GB-4x16 3333 (CMK64GX4M4B3333C16R)
    Graphics Card #1Sapphire Nitro Radeon R9 Fury 4GB HBM Backplate
    Graphics Card #2Sapphire Nitro Radeon R9 Fury 4GB HBM Backplate
    Sound CardAsus SupremeFX Hi-Fi Audio DAC
    Monitor(2) Dell UltraSharp U2515H 25-inch monitors
    Storage #1(4) SSD's - Samsung 960 & 970 1TB M.2, Intel 535 480G, Intel 510 250G
    Storage #2(3) HDD's - Western Digital Caviar Black 2TB 3.5-in SATA III 64MB Cache
    CPU CoolerCorsair Hydro Series H80
    CaseCorsair Obsidian Series 650D Black, ATX, Mid Tower
    Power SupplyCorsair Digital AXi-Series AX1200i (1200W) 80+ Platinum Rating
    Keyboard Logitech Wireless K360
    Mouse Logitech Wireless MX Anywhere 2
    Headset HyperX Cloud II
    OS Windows 10 Pro 64-Bit
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    PSU may be giving you the issue. Also make sure you have the 24 pin power firmly seated and you have all the power connectors firmly connected and seated to the board (8 pin + 4 pin 12V power on your board at the top). Try swapping the PSU for a temp if you have all those connectors seated well.
    Davemon50

  5. #5
    ROG Member Array dehinson PC Specs
    dehinson PC Specs
    MotherboardASUS Crosshair V Formula-Z FX990
    ProcessorAMD FX-8350 Black Edition Vishera 8-Core 4.0GHz*
    Memory (part number)993982
    Graphics Card #1EVGA GeForce GTX 760 Dual Superclocked w/ EVGA ACX
    Storage #1SAMSUNG 850 EVO MZ-75E500B/AM 2.5" 500GB
    CPU CoolerCORSAIR Hydro Series H105 Extreme Performance 240mm Liquid CPU Cooler
    CaseLian Li PC-A79B
    Power SupplyEVGA 220-P2-1200-X1 1200W ATX12V / EPS12V

    Join Date
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    Quote Originally Posted by davemon50 View Post
    PSU may be giving you the issue. Also make sure you have the 24 pin power firmly seated and you have all the power connectors firmly connected and seated to the board (8 pin + 4 pin 12V power on your board at the top). Try swapping the PSU for a temp if you have all those connectors seated well.
    I un-plug and re-plug the PSU cables. Same deal. I did get the G.SKILL Ripjaws V Series 32GB (4 x 8GB) ram sticks in and installed. The same issue persists. I guess I will have to reach out to EVGA regarding the PSU.

  6. #6
    New ROGer Array
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    X470

    Yea, I have the x470-f and since the 1.0.0.4 b agesa I can't use ram with higher speed than 3200 MHz. Once I go over that it just won't boot the system at all, even with incredibly loose timings. The dram led turns on and that's about it.

    I downgraded my bios to the 1.0.0.3 abba and it works fine with 3600 MHz without any problem.

  7. #7
    ROG Member Array dehinson PC Specs
    dehinson PC Specs
    MotherboardASUS Crosshair V Formula-Z FX990
    ProcessorAMD FX-8350 Black Edition Vishera 8-Core 4.0GHz*
    Memory (part number)993982
    Graphics Card #1EVGA GeForce GTX 760 Dual Superclocked w/ EVGA ACX
    Storage #1SAMSUNG 850 EVO MZ-75E500B/AM 2.5" 500GB
    CPU CoolerCORSAIR Hydro Series H105 Extreme Performance 240mm Liquid CPU Cooler
    CaseLian Li PC-A79B
    Power SupplyEVGA 220-P2-1200-X1 1200W ATX12V / EPS12V

    Join Date
    May 2015
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    Odd question...
    I am NOT using the CPU fans headers on the motherboard for my water cooling solution.
    When I boot up, I get this message...

    "CPU fan speed error detected. Ensure that the CPU fan is is properly installed on the CPU_FAN header or adjust/disable the fan speed low limit option in option in the UEFI bios.

    Press F1 to run the SET-UP."

    Now I have placed the low fan speed to IGNORE on the two CUP_FAN headers. But still get this message. This wouldn't be the cause of the Q-Code 02 and Boot Led?

  8. #8
    ROG Guru: Brown Belt Array davemon50 PC Specs
    davemon50 PC Specs
    Laptop (Model)Asus G752VY-DH72 (17") and Asus G752VT-DH74 (17")
    MotherboardAsus ROG LGA2011-v3 Rampage V Edition 10, x99 EATX
    ProcessorIntel Core i7-6950X Extreme 10-core 25MB Cache 3.0 GHz
    Memory (part number)Corsair Vengeance LPX Red DDR4 DRAM 64GB-4x16 3333 (CMK64GX4M4B3333C16R)
    Graphics Card #1Sapphire Nitro Radeon R9 Fury 4GB HBM Backplate
    Graphics Card #2Sapphire Nitro Radeon R9 Fury 4GB HBM Backplate
    Sound CardAsus SupremeFX Hi-Fi Audio DAC
    Monitor(2) Dell UltraSharp U2515H 25-inch monitors
    Storage #1(4) SSD's - Samsung 960 & 970 1TB M.2, Intel 535 480G, Intel 510 250G
    Storage #2(3) HDD's - Western Digital Caviar Black 2TB 3.5-in SATA III 64MB Cache
    CPU CoolerCorsair Hydro Series H80
    CaseCorsair Obsidian Series 650D Black, ATX, Mid Tower
    Power SupplyCorsair Digital AXi-Series AX1200i (1200W) 80+ Platinum Rating
    Keyboard Logitech Wireless K360
    Mouse Logitech Wireless MX Anywhere 2
    Headset HyperX Cloud II
    OS Windows 10 Pro 64-Bit
    davemon50's Avatar
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    If you don't want to use CPU_FAN for the AIO cooler then use it for a case fan.
    Davemon50

  9. #9
    ROG Guru: White Belt Array Baio73 PC Specs
    Baio73 PC Specs
    MotherboardAsus ROG Crosshair VIII Formula 1302
    ProcessorAMD Ryzen 3700x
    Memory (part number)2x8 G.Skill F4-4000C17D-16GTZR
    Graphics Card #1Sapphire RX 5700 XT
    MonitorDell U2515H
    Storage #1Samsung 970PRO nVme 512Gb
    Storage #2Crucial MX500 2Tb
    CPU CoolerCorsair H150i Pro RGB
    CaseLian Li 011D XL
    Power SupplyCorsair AX860i
    Keyboard Logitech G513
    Mouse Logitech G903 + Powerplay
    Headset G933 Artemis Spectrum
    Mouse Pad Logitech G840 XL
    Headset/Speakers Logitech G560
    OS Windows 1064bit
    Network RouterLynksys EA6500
    Accessory #1 Corsair Commander Pro
    Accessory #2 9xCorsair LL120 RGB fan

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    Quote Originally Posted by dehinson View Post
    Odd question...
    I am NOT using the CPU fans headers on the motherboard for my water cooling solution.
    When I boot up, I get this message...

    "CPU fan speed error detected. Ensure that the CPU fan is is properly installed on the CPU_FAN header or adjust/disable the fan speed low limit option in option in the UEFI bios.

    Press F1 to run the SET-UP."

    Now I have placed the low fan speed to IGNORE on the two CUP_FAN headers. But still get this message. This wouldn't be the cause of the Q-Code 02 and Boot Led?
    1) For the fan issue, simply set to "Ignore" in Monitor section in the BIOS.

    2) For the POST problem, did you try to reflash the BIOS using the Flashback method? Did you try to set all RAM's values to Auto in the BIOS?

    Baio
    CASE Lian Li 011D XL CPU AMD Ryzen 3700X COOLER Corsair H150i Pro RGB MOBO Asus ROG Crosshair VIII Formula v1302 RAM 4x8 G.Skill F4-4000C17D-16GTZR PSU Corsair AX860i VGA Sapphire RX 5700 XT DISPLAY Dell U2515H AUDIO Logitech G560 SDD Samsung 970PRO nVme 512Gb - ADATA SX8200 nVme 2Tb INPUT Logitech G903 + Powerplay - G513

  10. #10
    New ROGer Array
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    I had the same issue

    I just had this Q-Code, it has been the hardest code to resolve and there is no actual definition of what it is. In my case, I had everything working fine, I decided to do some maintenance, on reboot I got the 02. For me it ended up being I had a pin on my 3950x slightly bent. I was lucky enough to work it straight.

    Good luck
    Last edited by Mmuro010; 02-19-2020 at 11:07 PM. Reason: edit

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