Question about Intel Motherboard

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Machine starts to boot, 3 seconds, shuts down and tries to reboo

Changed PSU, removed RAM, removed video card, none of these changed symptoms. GIGABYTE GA-EX58-4DP motherboard. Intel i7 920, OCZ RAM (3X2 for 6).

have all CD's, drives disconnected.

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  • Scott
    Scott Jul 16, 2010

    What are the symptoms?

  • jford4911 Jul 16, 2010

    When I hit the start button, the machine begins to boot, about 3 seconds into the boot-up, the system shuts down and tries to start the boot aagain a couple of seconds later. The fans whir but thats about all.

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It mayt b ur processor or might be the motherboard problem so chek ur professor 1st then motherboard!

Posted on Jul 26, 2010

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You said removed ram but have you tried 1 stick at a time? If its not bad memory it will be the motherboardsorry to say. Cheers from Scott and please dont forget to vote

Posted on Jul 19, 2010

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Thank You For Posting

The "fan twitch" you're seeing is a nearly certain proof there is a short circuit somewhere. It could be the PSU, it could the the motherboard, or anything directly connected to either or both of them.

You need to reduce your machine to PSU + motherboard (out of the case/on the table) + CPU (with heatsink of course) + one stick of RAM + video card (if there is no integrated graphics). Reset CMOS, re-seat your CPU, cleaning the old and applying a new coat of thermal paste as needed, re-seat RAM and a video card if needed, then try turning the machine on. You can use a screwdriver head to short the power-on pins on the front panel pinout of the motherboard, if it doesn't have a dedicated power-on button on it.

If it still just twitches the CPU heatsink fan, remove graphics card (if you used one), connect a speaker to the front panel pinout (if the board doesn't have an integrated speaker/buzzer on it) and listen for an error code. If you didn't need a video card (have onboard/integrated), then remove the RAM stick and listen for an error code, if the machine even starts.

Reducing this to PSU + motherboard + CPU problem, means you should try a different PSU. If the machine still doesn't spin the fan, your motherboard is shorted somewhere, probably the VRM.

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