Bulging capacitors on my motherboard. Should i be worried?

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I don't know if you ever got a clear answer to the question. If indeed the capacitor is bulging then yes, you should be worried as that means it's building pressure inside that may blow one of the seals soon.

Still, as others have said, it's hard to determine from the picture if one of them is bulging enough to be worried.

Also, I wouldn't say it's 'dangerous' as that would suggest a personal hazard which isn't likely unless you happen to be examining it closely when it blows and it squirts electrolyte in your eye. Or you don't have a fuse on your power supply.

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drea.drechsler

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Oct 16, 2017
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I don't know if you ever got a clear answer to the question. If indeed the capacitor is bulging then yes, you should be worried as that means it's building pressure inside that may blow one of the seals soon.

Still, as others have said, it's hard to determine from the picture if one of them is bulging enough to be worried.

Also, I wouldn't say it's 'dangerous' as that would suggest a personal hazard which isn't likely unless you happen to be examining it closely when it blows and it squirts electrolyte in your eye. Or you don't have a fuse on your power supply.

 
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sriny1512

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Jul 8, 2009
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Would like to add to "drea.drechsler's" answer,

- Bulging is a symptom before leakage.
- Motherboard may work without any issue, but when it starts to leak, more chances that you will have an unstable system.
- Mid range and expensive motherboard nowadays have "All solid Japanese Capacitor" to prevent this problem.
- If motherboard is old & model not available in the market, we have 2 solutions,

1. It is easy to repair MB with bulged / leaky capacitors.
- Just get it de-soldered with a technician who is comfortable in doing it.
- Replace with capacitor of same rating (micro Farad & voltage) mentioned on capacitor.
- Careful, look for correct polarity rating when replacing. Installing negative to positive or vice-versa causes explosion when powered on.
- White coloured strip / short lead on capacitor indicates negative side.

I have replaced capacitors on motherboard, 99% of time it was back to normal. I know it is hard to de-solder capacitor from MB.

One of my Technician Friends suggested that just pull the old capacitor (with plyer) such that the leads are still there on MB and capacitor is pulled off.

Solder the new leads of new capacitor to older leads on MB.

Good Luck to those Who try this!

Also watch below video on YouTube before doing the replacement,
https://www.youtube.com/watch?v=YCSNWi3UHf4

 
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