PSU and CPU Tags: Graphics Cards Components Last response: June 21, 2012 5:54 PM in Components Share arjalona June 21, 2012 4:17:31 PM I just bought a New GTX 550 ti and a Corsair GS500 PSU. When i connected the psu to the motherboard, harddisk, DVD writer, Graphics card and tried to switch on the pc. The Fans on the PSU, Graphics card and the processor keeps switching on and off in an orderly manner repetitively. and the CPU doesnt power up. When i used my old PSU it works fine. More about : psu cpu arjalona June 21, 2012 4:18:29 PM what is the problem ? Thank you for ur help m 0 l geekapproved a b U Graphics card June 21, 2012 5:36:53 PM Then use your old psu and return the one that seems dead. m 0 l Can't find your answer ? Ask ! Get the answer arjalona June 21, 2012 5:54:48 PM the problem is the old psu cannot run the GTX 550 m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedPSU Buzzing Noise when CPU under load Forum SolvedASUS A88X-PLUS mobo does not have an 8-pin male "CPU" connector to mate with my Corsair CX500M PSU Forum SolvedWhat CPU, PSU, motherboard and graphics cards should I have with this collection of components? Forum SolvedGPU, CPU, PSU, RAM - upgrade order for gaming PC Forum SolvedWhat wattage PSU do you recommend? Computer is going to be for multi-monitor use - 6 monitors. Build below:CPU: i Forum SolvedNeed Advise to upgrade a pre-built HP Pavilion p7-1220's CPU, Graphic card, PSU Forum SolvedDoes a large cpu cooler affect the PSU temperature in top mounted case? Forum SolvedOCZ ZX 1250W PSU TO CPU CABLE, can i use... Forum SolvedLocking for best psu nd cpu fan for amd fx8320 Forum SolvedWill a 600VA UPS be run a 550w psu cpu Forum SolvedCPU Cooler + PSU suggestions Forum SolvedIs 650W PSU enough for upgrade to GTX 780 6GB and new CPU cooler in Dell XPS 8500? Forum SolvedIs it risky to overclock my CPU (and maybe GPU) with this PSU? Forum SolvedWill a CPU extra psu cable work in a Graphics Card PCI-E connector? Forum SolvedI think my CPU is breaking my PSU. Forum SolvedNeed help buying PSU,CPU Forum Solvedcan i connect 4 pin psu to 8 pin cpu Forum Solvedhow to connect 4pin cpu power connector with Corsair VS550 550 Watt PSU Forum SolvedWhat PSU will I need with a fx-6300 cpu and r9 270? Forum SolvedUpgrading GPU/CPU/PSU, what do I need to do with drivers etc.? Forum More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !