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Thread: Unstable Z77M-D3H




  1. #11
    Join Date
    Aug 2012
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    York, United Kingdom, United Kingdom
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    Default Re: Unstable Z77M-D3H

    Got new CPU and mobo and this one is doing exactly the same thing !!!!!!!

  2. #12
    Join Date
    Aug 2012
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    York, United Kingdom, United Kingdom
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    Default Re: Unstable Z77M-D3H

    I should have added that after upgrading to F12 BIOS this one and the old mobo and CPU don't lock up any more they just randomly reboot. I have changed everything but the PSU and keyboard now. Might have to buy another PSU to rule that out.

  3. #13
    Join Date
    Aug 2012
    Location
    York, United Kingdom, United Kingdom
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    Default Re: Unstable Z77M-D3H

    It's fixed !!!!!

    Replaced the PSU today and it works like a dream now. Just ran prime96 for 30 minutes with no problems whereas before it would lock it in 30 seconds (if you could get into Windows at all).
    Never seen a PSU that nearly works before has always been all or nothing with PSUs I have had in the past.

  4. #14
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
    Join Date
    May 2009
    Location
    New Jersey, United States
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    2,817

    Default Re: Unstable Z77M-D3H

    Did you replace it with the exact same make and model psu or did you go with a different brand?
    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





  5. #15
    Join Date
    Aug 2012
    Location
    York, United Kingdom, United Kingdom
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    9

    Default Re: Unstable Z77M-D3H

    Hi same brand and series but a 750W rather than a 650W. BAsically because that was all that was available in abricks and mortar shop within a 20 miel radius of my home on a Sunday bar soem no name PSUs.
    I don't think teh extar 100W made the difference though just thatthe origional PSU had some kind of stabilty issue once the CPU needed a bit of power.

  6. #16
    Join Date
    Sep 2012
    Location
    kansas
    Posts
    4

    Default Re: Unstable Z77M-D3H

    It's good that your problem was fixed. But Ace was asking because buying another non-reputable PSU will likely result in you having the same issues soon. You should probably go ahead and get A+ PSU so we don't have to go through this in another six months.

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