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 | E-mail me updates | Report abuse Register or log in to remove arjalona June 21, 2012 4:18:29 PM what is the problem ? Thank you for ur help | Report abuse geekapproved Graphics card Master June 21, 2012 5:36:53 PM Then use your old psu and return the one that seems dead. | Report abuse arjalona June 21, 2012 5:54:48 PM the problem is the old psu cannot run the GTX 550 | Report abuse Register or log in to remove Ask the community Publish Tom's Hardware>Forum>Components>PSU and CPU> Related ressources: ForumNew PSU for CPU ? ForumPSU not good enough? or CPU bottleneck? ForumThis Cpu for this case and PSU ? ForumThinking of buying a CPU and changing GFX Card & PSU ForumCPU & PSU fan not working ForumNew PC won't turn on -- faulty PSU , CPU , MB? ForumNo POST, PSU fan spins but CPU fan does not, internal speaker ticking. ForumPSU keeps on burning and computer gpu and cpu stay very hot and pc sme ForumIs my mobo/ psu/cpu dead/fried??? no post no beeps but pc stays on ForumCan my CPU & PSU handle GTX 650? ForumEmachines slim case CPU & Video card with 220W PSU ForumOC'ing gpu and cpu with low watt psu ForumCan a faulty PSU cause high usage/load of CPU /GPU ?? ForumI got a RX-530SS PSU from Newegg, but it has no CPU power connectors? ForumHave: PSU , CPU , MOBO. Need help with the rest. ForumHELP - CPU fan is in the way of the PSU ForumNew build, need a decision on psu and cpu cooler ForumWTB LGA 2011 CPU , 16gb 1600+ RAM, 800+ PSU MODULAR ForumWhere can I find a good mechanical keyboard? Forum[Solved] Upgrading PSU,GPU and CPU heat sink fan More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !