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Intel Motherboard Won't Turn On

I've got this Mobo to replace an old 775 one that died (NorthBridge RIP). The model is Intel DG33FB, it's huge next to the old one... anyway... Everything is connected properly, i have quite a bit of experience building systems and stuff, when i plug the PSU to the wall the Mobo has a LED wich notifies that it has power running through it, but when i press the power switch it just won't do anything, i've tried everything, running without cpu, without ram, and any combination you can think of... also i changed the CMOS battery in case this one came dead... Thnx in advance!!
5 answers Last reply Best Answer
More about intel motherboard turn
  1. Make the connection to the power button is oriented correct hot to hot, ground to ground, make sure both the 24 pin and 4 pin ATX power cables are secure
  2. Still no good, same thing, green led inside motherboard, PSU won't turn on, btw i tested the PSU and it's fine.
  3. Best answer
    Might want to bench it, have a guide that might help:

    http://www.tomshardware.com/faq/id-1753671/bench-troubleshooting.html
  4. It was the PSU! very strange behavior by the old PSU, it could turn on a couple of other motherboards, but not this one, when i change the PSU it just turned on normally, Thnx for your help!
  5. No problem, can close thread out ;)
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