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Two days after filiing the support ticket, I just down graded my rating to one star because I got another lame suggestion from Corsair. I am not sure why it takes them two days to tell me to update the firmware which was the first thing I checked and updated when it didn’t work properly. This is one of the most expensive coolers in its class. I received it and it took me half a day to replace an existing cooler. After everything is done, the LEDs on the pump don't light up. I called Corsair customer service and the lame response is to reinstall their software. Beyond that, there is no help a day after the support ticket is filed. At this point, I am not sure I want to keep it or even get a replacement. It is going to take me another half day to replace it with no guarantee of receiving any help from the manufacturer.