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Thread: troubleshooting psu

  1. #1
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    Default troubleshooting bfg mx680 psu

    so i just got a bfg mx-680 psu to replace my antec bp550.

    i took the old one out, put the new one in, plugged everything in, power it up, and lights/fans full blast, but no post. my 4870x2 showed led's 3-5 (from left to right) with a solid red light. so i recheck all my connections, everythings good, power it up again and same thing. i took the 4870x2 out and hooked up to onboard video instead of pcie, unplug dvd, hd, fans, recheck all connections, take 2 sticks of ram out, try to boot up and sometimes it will turn the cpu fan on just stay spinning with no post, other times it just shuts off right away maybe 1-2 seconds after i power it up. i unplugged everything, plugged my antec 550w back into mobo 24pin power/8pin power, power it up, and it boots up and it posts fine.

    and instead of a speaker my mobo has an LED to give codes. it actually has 2 led's, 1 is on as long as there is power to the mobo and the other comes on when the system is booted. w/ the antec they are both lit like they are supposed to be, w/ the bfg the mobo power is lit like normal but the other one just blinks really quick when i turn pc on and then shuts off regardless if the pc stays on or shuts off right away. (which isnt any of the typical error msg's - they are series of blinks)

    i also just tried it on a different system and same thing, everything powers up but no post... the only way to shut the pc off once its on is to turn off the psu, the power button wont shut it off.

    any suggestions w/ this? thanks

    oh and my system is amd phenom 9850 - foxconn a7da-s - ati 4870x2 - 4x2gb ballistix
    Last edited by crazydiamond; 01-10-2009 at 12:52 AM.

  2. #2
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    Default

    RMA the thing
    MSI P45-Neo3FR :: Intel Q9400 @ 3.00 GHz + Xigmatek HDT-1283S :: Sapphire Radeon R9 270X :: 4096Mb Integral Memory DDR2-800 :: 128Gb OCZ Agility 4 SSD :: 500Gb Seagate Barracuda 7200.12 + 320Gb Hitachi Deskstar + 320Gb Seagate Barracuda 7200.10 :: Coolermaster CM690 :: Enermax Modu82+ 425w :: Logitech G5 :: Dell P2417H

  3. #3
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    Default

    cant, it was techaddicts review psu so they had it open... they already offered to give me my money back if i wanted to send it back but i got a good deal im hoping its just something flukey and i can get it goin!
    amd phenom 9850
    foxconn a7da-s
    4x2gb crucial ballistix
    ati 4870x2

  4. #4
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    Default

    The PSU is bad. Likely damaged durring heavy load testing for the review. Get your money back and find a different PSU.
    SYSTEM:
    | Opti 165 @ 2.9Ghz 322 FSB 9X Multi. 1292 HTT | DFI Infinity NF4 SLI | 7900GS @ 580/690 |
    | 2 x 1Gb Muskin DDR500 @ 512Mhz 3-3-2-7 | Corsair VX550W |
    COOLING:
    | CM Eclipse | VF-900 | Antec 900 |

    XATE-984 Load Tester Build

  5. #5
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    Default

    Quote Originally Posted by mpilchfamily View Post
    The PSU is bad. Likely damaged durring heavy load testing for the review. Get your money back and find a different PSU.
    What heavy load testing?
    http://www.techaddicts.net/reviews/b...bfg_ls680.html

    They just hooked it up to a PC...

  6. #6
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    Default

    anyhow, it isn't working.
    I'd opt for the money-back too.
    MSI P45-Neo3FR :: Intel Q9400 @ 3.00 GHz + Xigmatek HDT-1283S :: Sapphire Radeon R9 270X :: 4096Mb Integral Memory DDR2-800 :: 128Gb OCZ Agility 4 SSD :: 500Gb Seagate Barracuda 7200.12 + 320Gb Hitachi Deskstar + 320Gb Seagate Barracuda 7200.10 :: Coolermaster CM690 :: Enermax Modu82+ 425w :: Logitech G5 :: Dell P2417H

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