Connecting 20+4 pin psu to a 24 pin mobo

By am21
Apr 14, 2008
  1. i recently fried my psu due to lightning. so i ordered a replacement psu which i decided to connect it myself. the new PSU has a 20+4 pin atx connecter though my mobo is a 24 pin one. i connected the 20 pin & the 4 pin accordingly and tried booting my pc but it didn't work. actually i noticed smoke coming from my motherboard. the question is " will the motherboard get fried in such occasions ? " or did it happen because of some previous damage caused to my mobo due to lightning ?

    my mobo

    please advice me guys. thanks
  2. Matthew

    Matthew TechSpot Staff Posts: 5,324   +101

    Odds are there was previous damage if you're 100% positive the old PSU was "fried" via lighting. However, if you've purchased a cheap PSU, that may be to blame.

    Have your PSU's brand/model by chance?
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