Hardware issue.


  1. Posts : 19
    Windows 10
       #1

    Hardware issue.


    One of my old motherboards had like blown capacitors. Not like super blown but just a bit. But this PC woudn't turn on like the fans would turn on but there was no display. So i'm pretty sure it was this eletrolitc caps. (they also had like brownish stuff on the top) so i replaced them the only thing difference is that they are a big bigger then the original caps and they are 1000uf 50v caps. The orignals were 1800uf 16v. Anyone know if this can damage the motherboard or something? Also one last thing. Because the caps are much bigger i coudn't fit them because of the tight space around other compenents so i soldered them without cutting the leads. (you know how you are suppose to cut the leads so they are smaller) idk i don't really care about the MB at this point. I coudnt do anything anyways it was like 5 years old or something. Just wanted to know if someome might be able to tell me what could happen. Could the caps explode or something? I'm just kinda of scared of pressing on the power button.

    (didnt know where to post this) (Sorry)
      My Computer

  2. steve108's Avatar
    Posts : 16,253
    19041.1348 - 2004/20H1 Pro x64
       #2

    Hello gMemo92 and welcome to tenforums ,

    1000 vs 1800 could cause a problem as 1000 uF can't hold as much charge. You could not find 1800uF/16V replacement?
      My Computer

  3. Ghot's Avatar
    Posts : 13,976
    Win 10 Home 10.0.19044.1387 (x64) [21H2]
       #3
      My Computer


  4. Posts : 19
    Windows 10
    Thread Starter
       #4

    steve108 said:
    Hello gMemo92 and welcome to tenforums ,

    1000 vs 1800 could cause a problem as 1000 uF can't hold as much charge. You could not find 1800uF/16V replacement?
    I ordered the wrong ones. lol Its cause the numbers were small so i coudn't tell. I thought it said 1000uf.
      My Computer

  5. steve108's Avatar
    Posts : 16,253
    19041.1348 - 2004/20H1 Pro x64
       #5

    gMemo92 said:
    I ordered the wrong ones. lol Its cause the numbers were small so i coudn't tell. I thought it said 1000uf.
    I recommend getting the correct one then.
      My Computer


  6. Posts : 2,146
    Windows 10
       #6

    I had leaking electrolytic capacitors on my old PC MOBO replaced them with quality to spec low ESR capacitors. It lasted another day and that was it, waste of time on an old MOBO.
    In the end it was not the capacitors but the MOBO chipset affecting MCH and USB ports etc. The MOBO was dead > Recycle bin > get a new PC.

    Just because electrolytic capacitors are large enough to be seen and bulging/leaking does not mean they are the cause, more likely is the thousands of tiny components you can barely see.

    You can't just connect the replacement capacitors with long wires as that essentially renders them useless because of extra inductance in the leads. Does not matter about the exact capacity or voltage.
      My Computer



 

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