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    #1

    Bad cap?

    Hi everyone I have a dell e520 and I think it has a bad cap on the motherboard. I have been getting bsods on it every few days. I have tried swapping out the ram and hard drive, and I still get them. I was looking over the motherboard today and I think I see a cap that is leaking. I took a few pics of the cap in question. Thanks for any help.



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    #2
    Re: Bad cap?

    Yep that cap is definitely bad. That looks like a UCC (United Chemi Con/ Nippon Chemi Con) KZG or KZJ. In general UCC makes good caps unfortunately these two now discontinued (though still somewhat available) series of caps have a known flaw in the electrolyte formula that causes premature failure. Nichicon HM/HN would be a good choice for replacement (HM for KZG HN for KZJ). You should replace all UCC KZG and KZJ caps on this board since if one failed the others will likely fail in the near future.

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      #3
      Re: Bad cap?

      That's a KZG. KZJ has black gold case. It's also worthwhile opening up the power supply. Dell likes to use Delta PSUs with cheap LTec caps.
      "We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."

      -Leonid Brezhnev (On the Yom Kippur War)

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        #4
        Re: Bad cap?

        ^
        Delta actually get away with it. They seem to be very good at getting junk caps to last forever. That's not to say that Rubycon wouldn't be preferable, though.
        I love putting bad caps and flat batteries in fire and watching them explode!!

        No wonder it doesn't work! You installed the jumper wires backwards

        Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium

        Office PC: HP ProLiant ML150 G3, 2x Xeon E5335 2GHz, 4GB DDR2 RAM, 120GB Intel 530 SSD, 2x 250GB HDD, 2x 450GB 15K SAS HDD in RAID 1, 1x 2TB HDD, nVidia 8400GS, Delta DPS-650BB 650W PSU, Windows 7 Pro

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          #5
          Re: Bad cap?

          As the LTec caps age in the Delta PSUs, the system starts to really bog down and is noticeably slower... They "last", but you're not really getting to use the full potential of the system.
          "We have offered them (the Arabs) a sensible way for so many years. But no, they wanted to fight. Fine! We gave them technology, the latest, the kind even Vietnam didn't have. They had double superiority in tanks and aircraft, triple in artillery, and in air defense and anti-tank weapons they had absolute supremacy. And what? Once again they were beaten. Once again they scrammed [sic]. Once again they screamed for us to come save them. Sadat woke me up in the middle of the night twice over the phone, 'Save me!' He demanded to send Soviet troops, and immediately! No! We are not going to fight for them."

          -Leonid Brezhnev (On the Yom Kippur War)

          Comment

            #6
            Re: Bad cap?

            Thank you for all of the replies I have been trying to figure this out for months. I even looked for a bad cap a few months ago and didn't see that. So I don't know if I missed it or what. Just glad I finally found the problem.

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              #7
              Re: Bad cap?

              Originally posted by c_hegge View Post
              ^
              Delta actually get away with it. They seem to be very good at getting junk caps to last forever. That's not to say that Rubycon wouldn't be preferable, though.
              I have a Dell PSU from the same machine sat in my office waiting for a recap has about 10 bad caps.

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