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Thread: High speed CPU fan at system startup




  1. #1
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    Default High speed CPU fan at system startup

    Hello, the problem is that . For several days CPU run at high speed when start PC . After logging in Windows fan speed normalized .Also the CPU fan keeps high speed and when I'm in BIOS . My cooler is CM TX3 4pin PWM . Bios is F4 . Is that a problem or ...?

    My mobo is GA-EP35C-DS3R
    Last edited by chavi; 08-24-2012 at 02:04 AM.

  2. #2
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    Default Re: High speed CPU fan at system startup

    Is this diffrent from previous boots? If so how, when did you notice the diffrence and why? Why being did you do any thing diffrent when this started?

  3. #3
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    Default Re: High speed CPU fan at system startup

    This came after a test performances options on mobo , CIA 2 , Performance enhance ..... And somehow System Voltage Control set on Auto , and CPU voltage(1.5) and temp(80 degree) is too hi . This is for 20-30 second while the load Windows I saw them and shutdown . After that everything was normal , except this fan speed when logging.I use EasyTune for adjustment fan speed , only for this .

  4. #4
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: High speed CPU fan at system startup

    Do not use CIA 2 options in bios. enter bios and load optimized defaults to return to default settings. If you want to overclock your system please apply overclock setting manually in bios.
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  5. #5
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    Default Re: High speed CPU fan at system startup

    I'm not using CIA 2 , and i set optomized defaults , but still cpu running with hi speed fan until enter a Windows .At Windows EsyTune 6 decreases fan speed to normal.Any ideas .....?

  6. #6
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: High speed CPU fan at system startup

    Sounds like you need to play with fan settings in bios.
    Main Rig
    Gigabyte z87x-OC
    Haswell i7 4770k - 4.7Ghz @ 1.330v LLC Extreme (L310B492)
    G.Skill F3-1700CL9D-8GBXM DDR3-2133mhz 9-11-10-28 1.65v @ 2800mhz 12-14-14-35 1.7v
    Samsung Green 8GB 2x4GB MV-3V4G3D/US DDR3 1.3v 30nn @ 2200Mhz 11-11-11-32 1.60v
    Sapphire ATI HD 7970 3GB clocked 1200MHz @ 1.181v.
    HiS ATI HD 6950
    Samsung 840 Pro 256GB SSD (boot Drive) on Intel sata3 controller port0
    Corsair Force GT 120 GB Sata3 SSD on Intel sata3 controller port1
    Samsung 320GB HD322GJ 7200 RPM 16M cache on Intel sata3 controller port2
    Sony Optiarc DVD-RW AD-7240S on Intel sata3 controller port5
    CORSAIR CMPSU-850TX PSU
    Swiftech MCP655-B Pump
    EK Supremacy Cpu Block
    Swiftech Mcres Micro Rev 2 Reservoir
    Black Ice GTX Xtreme 360 Radiator





  7. #7
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    Default Re: High speed CPU fan at system startup

    In bios ,currently i use F4 , CPU PWM possible setting is two , enable or disable . I can not tune nothing , this is weakness of the mobo EP35C-ds3r :( .

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