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Thread: GA-EX58-UD5 dead? Or is it the PSU?




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    Default GA-EX58-UD5 dead? Or is it the PSU?

    When I try to turn on the computer (using either the case's power switch or the motherboard one), all that comes on are these two LED lights:

    http://imgur.com/xR7wP.jpg

    They're "NB PHASE LED" if you zoom in and look at the board's labels. Fans don't spin up and the motherboard doesn't go to POST.

    The last couple days before this happened, the computer kept rebooting out of nowhere, even when I underclocked the processor to 2GHz. I ran Memtest86+ and it found no errors so I don't think it's the RAM. I don't have a replacement PSU to test with (yet) so all I got are those two lights to go by :(

    Other specs: Intel Core i7 920, EVGA GTX 280, Zalman 850W
    Last edited by Contextualizer; 06-06-2010 at 01:32 AM.

  2. #2
    Lsdmeasap's Avatar
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    Default Re: GA-EX58-UD5 dead? Or is it the PSU?

    It is probably the Zalman, many issues with GA-X58 boards and Zalman PSU's

    Have you tried clearing the CMOS yet? Try for a long period by removing the battery and unplugging the PSU from the wall, also press and hold the case power button for one minute after you unplug the PSU.

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    Default Re: GA-EX58-UD5 dead? Or is it the PSU?

    I have tried clearing the CMOS but only with the latter method. How do you exactly remove the battery? I'm kind of scared of messing around with it...

    What exactly does the two LEDs lighting up mean?

    And if it's the PSU, what 800+ watt PSUs work well with this motherboard?

    Thanks so much :)
    Last edited by Contextualizer; 06-06-2010 at 02:51 AM.

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    Default Re: GA-EX58-UD5 dead? Or is it the PSU?

    I dont know exactly what the lights mean but I am using a corsair 850 PSU and works fine with my board.
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    Lsdmeasap's Avatar
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    Default Re: GA-EX58-UD5 dead? Or is it the PSU?

    It pops right out, easily. Get a small flat-head screw driver and push down on the little tab on the bottom, it will then pop out.

    LED's lighting up can mean anything, normally they would all light up when you are in the BIOS, not sure why only two are lit though.

    I use Ultra X3 850 PSU's without issue, as for others I am not really sure but I know Zalmans do have plenty of issues with these boards. How long had it been working for you previously?

    Do you have a case speaker connected, if not connect one and see if you get any error beeps.

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    Default Re: GA-EX58-UD5 dead? Or is it the PSU?

    I've been using this PSU and system with no problems for about a year now :(

    Thanks again!

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    Default Re: GA-EX58-UD5 dead? Or is it the PSU?

    Hmm, well that is surprising.

    Can you test another PSU on your setup then, so we can be sure if the PSU is the issue or not.

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    Default Re: GA-EX58-UD5 dead? Or is it the PSU?

    I got a PSU to test and...Yep! The Zalman died! Time to buy a new one :):(

    It's kind of funny; the new PSU (my old one from 2004!) doesn't support the GTX280 so I had to pop in my ooooold 7600GT. Core i7+7600GT+12GB :D

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    Default Re: GA-EX58-UD5 dead? Or is it the PSU?

    Ahh so your new/old PSU started the system then?

    Sounds like it, if so great! And it's really great to hear your CPU/board/memory survived, a lot of the time when a PSU dies it can take many other items down with it

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    Default Re: GA-EX58-UD5 dead? Or is it the PSU?

    Quote Originally Posted by Lsdmeasap View Post
    Ahh so your new/old PSU started the system then?

    Sounds like it, if so great! And it's really great to hear your CPU/board/memory survived, a lot of the time when a PSU dies it can take many other items down with it
    Yeah :)

    I have a Corsair 850W coming in soon...Can't wait! Thanks again :)

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