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power up with Clear CMOS Jumper = dead motherboard?

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  • MikeH1
    Senior Member
    • Jun 2007
    • 1045

    power up with Clear CMOS Jumper = dead motherboard?

    got a Zotac LGA775 motherboard, not getting anything on monitor, found Clear CMOS jumper on Clear setting. Can this damage the board if powered on?
  • #2
    LoneWolf1
    Member
    • Mar 2010
    • 483

    No, powering the MB with the CMOS Jumper in the clear mode should just reset the BIOS to the factory settings.

    Just switch the Jumper to it's normal position and you should be good to go.
    Originally posted by Ballistic043
    "sir, if its cool and serves a valid function its not gonna be legal here."

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    • #3
      MikeH1
      Senior Member
      • Jun 2007
      • 1045

      already put the jumper back, even took out the battery for a minute

      found it for free on Craigslist, no loss

      CPU and memory are working, guess I'll just get another M/B

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      • #4
        incredablehefey
        Senior Member
        • Feb 2010
        • 1853

        the clear jumper is used to discharge any stored voltage in the capacitors and the battery. You might have killed it when you started it up but i would be willing to bet that it was broken already if someone had spent the time to mess with the reset jumpers. I dont know why the MoBo companies dont put a momentary switch instead of the jumpers.
        "The need in public and private life is common sense, decency, courage." - President Roosevelt

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        • #5
          Merc1138
          I need a LIFE!!
          • Feb 2009
          • 19742

          Originally posted by TMcC
          Cost.

          If there is not a built in speaker on the mb you could try to hook a speaker up and listen for the beep codes. Maybe the mb just doesn't like your ram... or maybe it's just free toast from craigslist.
          Actually a lot of motherboard manufacturers have been putting momentary switches instead of jumpers for CMOS clearing, on the really high end boards. It's a rarity that people ever need to do it these days(the average user anyway) so it's something only bothered with on the high end boards focused on things like overclocking. When you start paying around $250 retail you find onboard power/reset switches, onboard speakers(and I don't just mean a small one with a couple leads that attaches to the pins on the board), LED displays, etc.

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          • #6
            redrex
            Senior Member
            • Apr 2011
            • 1277

            Bad Ram, ram not seated right

            I take it you are using onboard video? Have you tried an actually video card? What about the video cable?

            +1 on the speaker, you need to hear those post codes.

            Does the MB have one of those diodes on it that turn on when its powered up to make sure you are getting power to the board.

            Reseat the proc.

            And lastly, is it plugged in? I have to ask
            Semper Alacer

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            • #7
              MikeH1
              Senior Member
              • Jun 2007
              • 1045

              tried a PCI-E video card, still nothing, reseated both RAM and CPU

              when plugged in a red LED comes on, when powered up a green one comes on

              no speaker connections on board, I tried connecting the audio header, then connecting speakers to the board's sound connector, still nothing

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