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Thread: random reboot's

  1. #1
    New ROGer Array Pectacq PC Specs
    Pectacq PC Specs
    MotherboardCrosshair Dark Hero 0210
    ProcessorAMD Ryzen 7 5800X
    Memory (part number)CMK32GX4M2B3200C16
    Graphics Card #1Asus TUF RTX 3080 OC
    MonitorAsus PG248Q
    Storage #1Samsung 850 Evo 500GB, Samsung 860 1TB Pro
    Storage #2Seagate Barracuda 4TB 5700rpm HD, FireCuda 520 1TB NVME
    CPU CoolerNoctua D15 Chroma Black
    CaseCoolerMaster HAF X(Full Tower)
    Power SupplyCorsair Rm850i
    Keyboard Asus Rog Strix Flare RGB
    Mouse Asus Rog Gladius II
    Headset HyperX Cloud II
    Mouse Pad Asus Rog Sheath
    OS Windows 10 64b 20h2

    Join Date
    Jun 2020

    Exclamation random reboot's


    I have a issue with my pc.

    It wil random reboot my pc, it wil freeze and every thing goes to black and then it wil reboot just normal(not bluescreen orso)

    i dont know whats causing this problem.

    i am running bios 0210 on C8 Dark Hero with R7 5800X and RTX 3080 TUF OC and a corsair rm850i power supply

  2. #2
    TeamROG Moderator Array xeromist PC Specs
    xeromist PC Specs
    Laptop (Model)Intel NUC laptop LAPQC71D
    MotherboardROG Crosshair VIII Dark Hero
    ProcessorAMD 5800X
    Memory (part number)32GB G.Skill Ripjaws V 3600
    Graphics Card #1ROG Strix RTX3090Ti
    Sound CardSound Blaster Z
    MonitorAORUS FV43U
    Storage #1Samsung 970 Pro 512GB
    CPU CoolerCustom loop
    CaseBeQuiet Dark Base Pro 900 V2
    Power SupplyCorsair HX1000
    Keyboard ROG Strix Flare II Animate
    Mouse ROG Chakram X
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    xeromist's Avatar
    Join Date
    Jul 2010

    Have you run memory stability tests? HCI Memtest is my go to lately and it's free. Just make sure to open enough copies to fill your memory and let it run overnight.
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    < < < Click the drop-down above my avatar for my PC specs!

  3. #3
    ROG Enthusiast Array Englishman.Xperia PC Specs
    Englishman.Xperia PC Specs
    MotherboardASUS RoG Strix B450-E Gaming
    ProcessorAMD Ryzen 7 2700X
    Memory (part number)Corsair 16Gb DDR3200 LPX
    Graphics Card #1ASUS RoG Strix RX480 OC
    MonitorASUS RoG XG27VQ
    Storage #1Corsair MP510 480gb
    Storage #2AMD R7 240Gb SSD
    CPU CoolerASUS RoG Ryujin 240
    CaseCorsair Obsidian 450D
    Power SupplyASUS RoG Strix 750Watt
    Keyboard ASUS RoG Strix Flare
    Mouse ASUS RoG Gladius II Origin
    Headset ASUS RoG Strix GO 2.4
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    Headset/Speakers Logitech 5.1
    OS Windows 10
    Network RouterASUS Lyra Mini
    Accessory #1 ASUS RoG ARION

    Join Date
    Feb 2021

    Check if you have an error code on the board or somekind of led. I'm also facing some crashes while gaming and the DRAM light pops up.

    But just like xeromist said, I would start with a long memtest86 session followed by some stress tests on CPU and after some on GPU to isolate the problem.

  4. #4
    ROG Guru: Green Belt Array
    Join Date
    Feb 2019

    nearly all issues that result in a freeze are memory related.
    You can run memtest86 or windows has a memory test just Windows Key+R, type “mdsched.exe" then reboot. It doesnt bang the memory like memtest does but if it doesnt pass that its much shorter and a good point to start.

  5. #5
    ROG Member Array
    Join Date
    Oct 2021

    Some things to check for

    You may want to try:

    edit: Confirm your BIOS version, current BIOS for C8 Dark Hero is 3801 and if that's not what you have then update BIOS first.

    1) Reset BIOS to defaults and only make necessary changes like FAN settings (ex: enable PWM if you have appropriate fans to avoid jet engines from taking off) and enable DOCP/XMP if your RAM supports it. Is your RAM model on QVL for this board? If it's not then it's a hit to miss territory.
    2) Look at your Win system event log, are there any messages of interest? Kernel panic or others?
    3) Test your RAM with Win build in RAM test tool or MemTest86, if fails try disabling DOCP/XMP in BIOS (if enabled) and test again.
    4) Watch your CPU temp with a tool like CoreTemp and use a CPU bench/test tool like OCCT or Prime95. You may want to do this from Win safe-mode so that NV drivers are not loaded as the problem may be on GPU side.
    5) If above pass and CPU stays in rated temps then look at GPU next. Before running any stress tests on GPU with tool like OCCT make sure you are using separate PCI-E power cables for each external power plug on the GPU. These NV ..80 series GPUs pull A LOT of power which can melt PCI-E daisy chained power connector! Not kidding happened to me once with a GTX card and I've learned my lesson since. I wish PSU mfg. stopped adding these little daisy chain ends on these 6/8 PIN PCI-E power cables. Your build looks cleaner with a daisy chain PCI-E cable until you see smoke or fire from the case and come PSUs may not provide enough power on that rail causing instability :/
    Last edited by DCTech; 10-28-2021 at 09:56 PM.

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