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 o1die a c 159 à CPUs 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. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedCan mobo beep without cpu? Cant power my pc up. split second fan spins no boot. solution Mobo only powers up without the 4pin cpu power plugged in Forum with 8 pin power plugged in cpu fan tries to start..without it everything spins up but wont boot solution CPU boots up without pushing the start button. Forum SolvedWill PC boot without GPU if power cable is connected to PSU? solution SolvedUpgraded mobo and cpu, black screen on power up solution SolvedCannot tell whether motherboard or CPU is fried only power led on mobo and GPU light up solution Booting up without IDE drive connected solution SolvedMultiple boots to get pc working (CPU or MOBO problem) solution SolvedNew PC shut down and won't boot up if power is connected to gpu solution SolvedCPU Swap : Can I swap a cpu from a mobo without replacing the thermal paste? solution IS IT OK TO POWER MOBO WITHOUT CPU IN IT Forum SolvedIs it possible to set up wifi router with internet connection without a modem? solution BSOD; PC Says No Boot Device; Cycle Power and PC Boots without Issue solution Power supply is hooked up properly I believe. Both the 8pin CPU and the 24pin are connected along with all the smaller pins fo solution [NO BOOT]Power LED lights up without pressing power button Forum SolvedWill a Mobo turn on without a CPU? solution SolvedWhat does a boot-up without RAM usually look like? solution SolvedPower supply and mobo arent connecting? solution SolvedCan I use a a Back UPS RS 1500 just for it's power conditioner / AVR without any batteries? solution More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !