UUNetBill Posted August 25, 2014 Share Posted August 25, 2014 Sorry if this particular issues has been brought up before but I searched and wasn't able to find anything just like this... Installed a GS600 in my old HP and it had been running great. Computer got packed up for about 7 months and just brought back online last week. After the hours of OS and app updates, the PC was working fine. Last night, came into the office and the computer was down. Powered on via the PC power switch and got a sort of 'surging' or 'pulsing' sound from the CPU fan with a corresponding blink of the LED on the PSU. Thought maybe I had issues with HW so I unplugged each peripheral one by one, pulled my RAM stick by stick, basically took it down to a case, MB, and PSU, and still get the same symptom. When it gets into this mode, the PC power switch also blinks in time with the PSU LED, and the DVD drive light flickered. I am unable to shut the machine down with the power switch, I need to use the switch on the PSU. At this point I'm thinking it's gotta be either the PSU or the MB. Any thoughts or other things I can check before I start swapping components between old PCs? Thanks in advance... Bill Link to comment Share on other sites More sharing options...
Corsair Employees jonnyguru Posted August 25, 2014 Corsair Employees Share Posted August 25, 2014 Could be either. Have you tested the PSU by itself? http://www.corsair.com/en-us/blog/2011/may/testing-your-corsair-power-supply Link to comment Share on other sites More sharing options...
Marvin Schilder Posted September 5, 2014 Share Posted September 5, 2014 I had similar problem. In my case, this "blink of the LED on the PSU" happens when PSU drop voltage. Try a voltmeter. Link to comment Share on other sites More sharing options...
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