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  1. #1
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    Need help with PSU and hardware

    hi i have Asus Rampage V Extreme
    I7 5930k
    4x4 GB DDR 4 3200 mhz g-skill ripjaws CL15
    GigaByte Radeon R9 290x OC (version) 4gb GDDR5 windforce (450W out)
    and ThermalTake Though Power XT 650W PSU

    When i play some games my pc goes black screen and freezing when i restart my pc bios says to me that the overclock failed
    i chacked the tempetures of the pc
    my GPU is around 50'-60' C
    all other stand of 30-40'C
    i wanted to know if i need a stronger PSU or i have a problem that isnt from the PSU?

  2. #2
    ROG Guru: Blue Belt Array jab383 PC Specs
    jab383 PC Specs
    Motherboard24/7 rig : Maximus VI Extreme
    Processori7 4790K
    Memory (part number)16GB Mushkin Redline 2400 10-12-12-28 + 16GB Corsair Vengeance 2400 10-12-12-31
    Graphics Card #1AMD Firepro W5000
    Sound CardM6E Supreme FX
    MonitorDell U2413
    Storage #1Kingston SH103S3240G SSD
    Storage #2Seagate ST1000DM003 1TB
    CPU CoolerCustom water loop, Delidded, Liquid Metal TIM
    CaseCoolerMaster HAF XM
    Power SupplyCorsair HX-750
    Keyboard Logitech G710+
    Mouse Logitech M705
    OS Windows 7 64 Pro
    jab383's Avatar
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    Hi SanRan, and welcome

    The 'OC Failed' warning happens anytime the OS crashes. It could really be an unstable OC of the CPU or the GPU, but the PSU looks like a good suspect. Here's a wild power estimate

    The 'extreme' CPUs that run on the R5E are rated for higher power than their 4-core cousins, so we have to assign more power for the CPU when overclocked and loaded with a game, say 200W.

    450W looks good for a stretched out OC R9 290X in a demanding game (I've seen reviews mention 600W)

    50 W for the rest of the motherboard including DRAM

    20 W for HDD/SDD storage unless there are a lot of them, then increase

    20 W for case fans, more if there are water pumps involved.

    That comes up around 740W. A rule of thumb is to keep a PSU loaded in its most efficient range - under 75%. 750W is 75% of 1000W.

    Accordingly, it might need a higher rated PSU. No guarantees of course, but worth a try.

    Jeff

  3. #3

  4. #4
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    yes
    when i lower the OC on GPU (with Guru II software) i can play but if i bought OC ( verstion) why i would lower the oc from it

  5. #5
    ROG Guru: Grand Master Array
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    Quote Originally Posted by SanRan View Post
    yes
    when i lower the OC on GPU (with Guru II software) i can play but if i bought OC ( verstion) why i would lower the oc from it
    It's either your PSU or your GPU in that case. Since the problem doesn't arise when you lower the frequency below the manufacturer's specifications, your GPU is just unable to run at its advertised speed which makes it defective. As a sidenote, using a 650W unit with your configuration is cutting it really close.

    To narrow down the problem, what you can do is borrow a bigger PSU from a friend and test your system. That'll tell you if it's the PSU or the GPU.

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