Is This PSU Failure? Tags: Power Supplies Hard Drives Components Last response: February 1, 2010 4:53 PM in Components Share AsianGlow February 1, 2010 12:31:22 AM Hey Forum! I just built an i7 PC, but it will not fully power up. I plug it in, turn the switches, hit power... -Fans whir, HDD's churn, lights blink but then... *pewwwww* Powers down, OMG oh it turned itself back on! -Fans whir, HDD's churn, lights blink but then... *pewwwww* Powers down & it continues like this nonstop It only stays on for less than 10 seconds... Is this PSU Failure? ---Specs--- *ATX - NZXT M59 Case *CPU - Intel Core i7-920 2.66GHz 1366 *GPU - XFX Radeon HD 5770 1GB DDR5 PCIE *HDD - Western Digital Caviar Black 1TBx2 7200 RPM *MOBO - EVGA 3-Way SLI with Tri-Channel DDR3 *PSU - Corsair 750-Watt TX Series 80 Plus *RAM - Crucial Tech 4GBx3 240-pin DIMM DDR3 *SYNC - Cooler Master V8 CPU Cooler More about : psu failure ekoostik February 1, 2010 1:15:46 AM First, welcome to the forums. I wouldn't suspect that PSU without checking some other things. Here's a good checklist to start, if it doesn't solve your problem report back what you tried: http://www.tomshardware.com/forum/261145-31-read-postin... JohnnyLucky a c 248 ) Power supply February 1, 2010 2:37:34 AM +1 what ekoostik said. The checklist is a very useful tool. Sounds more that the BIOS is constantly rebooting. It could be something simple like one of the BIOS settings. Can't find your answer ? Ask ! Get the answer jsc a c 144 ) Power supply February 1, 2010 4:53:58 PM Clear the BIOS. Your manual will tell you how. That may help. Can't find your answer ? Ask ! Publish Related resources: ForumPSU failure ? ForumPSU or MoBo failure ? ForumGPU or PSU Failure ? ForumPSU failure or PSU overtemp? Forumhttp://www.tomshardware.com/forum/ [...] t-problems ForumHelp Troubleshooting a Failure to Boot - PSU Problem? ForumPossible PSU failure ForumPSU failure ? ForumPSU or motherboard failure ? ForumDisk Boot Failure after upgrading PSU - please help ForumReplaced PSU after a power failure killed it. Now system doesnt come up. ForumPSU or motherboard failure ? ForumPSU Failure , now SSD Drive not working? ForumPossible PSU failure ForumHelp please :( PSU failure ? ForumChances of cpu damage from psu failure ? Forum500w PSU ForumWhat PSU for dual 285gtx Forum[Solved] PSU Diag Equipment ?? ForumPSU Question More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !