Marvin Schilder Posted September 1, 2014 Share Posted September 1, 2014 So, less than 1 year i got this problem. PC Screem down but still running (HDD LED always light on and Power LED off) When i try to turn on again, the CPU fan and Video Card Fan wont run. No Screen. Seriusly Corsair?! Less than 1 year? With a voltmeter, i got 4.6v on 5v rail. PSU GS 700w Core i5 4670k Asus H87M-Plus GTX 770 Zotac 2SSD 1HDD No Led, no aditional fan. Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted September 2, 2014 Corsair Employee Share Posted September 2, 2014 EDIT: Bad math..... +4.6V on the +5V is a little out of spec. Should be between +4.75 and +5.25V. But it shouldn't prevent the PC from turning on. This isn't necessarily a PSU problem. Could be motherboard. HDD light? As in the activity light? Power LED off? Hmm... Does the motherboard have a +5VSB LED on it? EDIT #2: From what I can tell, that motherboard has an SB_PWR LED that should be on if it's getting +5VSB from the PSU. Link to comment Share on other sites More sharing options...
Marvin Schilder Posted September 5, 2014 Author Share Posted September 5, 2014 PSU provides 5.12v until the pc show these problems. So the PSU begins providing 4.6v. After cutting the energy and plugging it again, I can hear HDD starting up, and the PSU leds keeps oscillating like an old house's lamp when someone turns on the blender. PSU still is providing 4.6v. After sometime, all goes back to normal. It seems that the motherboard refuses to boot up. Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted September 5, 2014 Corsair Employee Share Posted September 5, 2014 Hmm.... So it could be the PSU. Weird problem though. I've been doing this for a couple decades and don't recall a PSU suddenly dropping from 5.12V to 4.6V and maintaining that 4.6V after a power cycle. Only to have that rail eventually go back up to 5.12V. Very strange. Just get an RMA. Link to comment Share on other sites More sharing options...
Marvin Schilder Posted September 5, 2014 Author Share Posted September 5, 2014 Can be overheating? This happen when I play games. Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted September 5, 2014 Corsair Employee Share Posted September 5, 2014 OVerheating *shouldn't* cause the voltages to drop. The PSU should shut off completely if that were the case. Not just the screen going blank, but like someone hit the power button. The fan is working on the PSU, right? Does it feel hot to the touch? Link to comment Share on other sites More sharing options...
Marvin Schilder Posted September 5, 2014 Author Share Posted September 5, 2014 Yes, the PSU Fan still working. PSU get hot, but ok to touch. Link to comment Share on other sites More sharing options...
Corsair Employee jonnyguru Posted September 5, 2014 Corsair Employee Share Posted September 5, 2014 Yeah... not overheating. Something else is wrong with it. RMA it. Link to comment Share on other sites More sharing options...
Marvin Schilder Posted September 5, 2014 Author Share Posted September 5, 2014 I sent it back. Ty. Link to comment Share on other sites More sharing options...
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