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Strange case LED fans behaviour with HX620


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Today I purchased Corsair HX620W PSU, (I bought it cause I had been impressed with it's reviews even though I hadn't real need for a new PSU)

pulled out my trustworthy CM Real Power 550W and installed HX620W.

Everything was fine, comp is running great even now but after a few hours I noticed that a 3 of my 5 case LED fans are not glowing anymore!?!

They are still working but their LEDs are down.

I'm sure that they were all glowing as usual when I start working today, so I wanna know is there any explanation for this issue?


They are connected (all 5 of them) on a standard 4-pin molex cable like they were previously on my CMaster PSU.

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