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  1. #1
    New ROGer Array
    Join Date
    Aug 2020

    Crosshair VIII Hero new build q code 00

    I am building a pc for the first time. I have a crosshair VIII Hero and:

    AMD Ryzen 3900x
    2 16 GB Corsair compatible RAM
    Samsung 970 EVO Plus SSD 1 TB
    PowerColor Red Dragon Radeon Rx 5700 8gb
    Creative Sound Balster AE-9

    I have power, the fans are working, the CPU fan is on, but no boot, no display, Q Code is 00.

    I have updated the BIOS, cleared the CMOS, tried a new CPU, changed the RAM (wasn't compatible, but now is). ASUS support is now telling me that I need to send the motherboard back, which I am fine with doing, but I am afraid that the problem is my build and not the motherboard.


  2. #2
    ROG Guru: Brown Belt Array RedSector73 PC Specs
    RedSector73 PC Specs
    Laptop (Model)FA506IU-AL130T x 2
    ProcessorAMD Ryzen 9 3900X 12-Core Processor
    Memory (part number)4 x G.SKILL F4-3800C14D-16GTZN 14-16-16-36 Samsung B-Die
    Graphics Card #1Gigabyte Aorus RTX 2080 Ti Xtreme WaterForce (GV-N208TAORUSX W-11GC)
    Sound CardArctis DAC
    MonitorAsus ROG Swift PG348Q
    Storage #1ADATA SX8200PNP 1TB
    Storage #22 x Samsung SSD 840 EVO 250GB
    CPU CoolerCoolermaster Liquid Pro Master 360
    CaseEVGA DG-87 Gunmetal Grey Gaming Case
    Power SupplyEVGA SuperNOVA G2 750W Gold Power
    Keyboard Corsair K95 RGB Platinum
    Mouse Corsair Gaming Sabre RGB Gaming Mouse
    Headset ARCTIS Pro Wireless
    Mouse Pad Cooler Master MP750 RGB Cloth Gaming Mouse Pad Extra Large
    OS Windows 11 64bit Pro
    Network RouterPfSence Intel i5-10210U 6 Port
    Accessory #1 TP-Link Gigabit 8&6 Port Switches

    Join Date
    Apr 2018

    Quote Originally Posted by ghoakley View Post
    Creative Sound Blaster AE-9
    Remove the SB till we have boot.

    What cooler are you using or did you change the cpu backplate by chance. Overtightening of the CPU can cause non-boot and if you reverse the CPU backing plate (some come with their own and can be mounted backwards) can result in non-boot.

    Qcode 00 means the CPU is not being detected.
    Last edited by RedSector73; 08-19-2020 at 03:47 AM.

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