Mobo boots up without connecting cpu power Tags: CPUs Power Last response: November 14, 2011 7:32 PM in CPUs Share k55 November 14, 2011 4:07:57 PM Hello, I've just reaplaced the dead capacitors on my mobo, but it only start up without connecting the 4pin. Could anyone tell me where the problem is? More about : mobo boots connecting cpu power | E-mail me updates | Report abuse Register or log in to remove o1die CPUs Master November 14, 2011 7:32:48 PM Printed wire boards are made up of several layers (sheets with circuitry), 4-6 for most motherboards. Could be some solder made contact where it shouldn't have. I would run it without the 4 pin and see how it does. | Report abuse Ask the community Publish Tom's Hardware>Forum>CPUs>Mobo boots up without connecting cpu power> Related ressources: ForumMobo only powers up without the 4pin cpu power plugged in ForumMobo won't boot without jumper ForumPowering up the motherboard without a CPU ForumBIOS set to ALWAYS OFF but PC boots up after power is back ForumComputer boots up but no display ForumNon responsive card without connecting auxillary power supply ForumMobo powers on without switch ForumCan't boot . Mobo standby lights up . No fans. No beeps. ForumBest mobo + Cpu + PSU without overclocking? for gaming? ForumCPU boots up without pushing the start button. ForumMy Mobo won't power up ForumCPU fail to boot up ForumConnecting to mobo/cpu ForumNeed help connecting Corsair AX850 8 pins to GA-Z77X- UP 7 mobo . ForumPlease help a newbie understand why Seasonic PSU wont turn on :( ForumRig won't turn on AT ALL, was power cycling. ForumLaptop Power Adapters ForumStrange issue with Video Card / Auxiliary Power(?) Forum[Solved] Which Power Supply for 580 sli? ForumProblem with mobo's and processor's watts More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !