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 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 SolvedCPU and PSU fan spinning for split second Forum SolvedHelp Choosing Motherboard,CPU, PSU and Hard drive Forum Solvedmotherboard cpu psu and gpu combined question Forum SolvedHELP No POST, No BEEP, CPU and PSU Fans Start Forum SolvedIs a new PSU necessary to overclock my cpu and gpu? Forum SolvedBest PSU for Gigabyte B85M-DV3 and i7 4770k CPU?? Forum SolvedBest gaming upgrades for Dell Optiplex 740 MiniTower for $300-$400 Changing GPU, PSU, RAM CPU and Mobo Forum SolvedPerformance drop is it PSU or CPU issue? Forum Solvedfans and leds turn on. replaced psu to no avail. unplugged everything but motherboard and cpu. how do i tell which ones faulty Forum SolvedCPU or PSU bad? Forum SolvedNew PSU or CPU? Forum More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !