Hi i just installed a new corsair H55 watercooler heatsink and now i am receiving a code 21 on the mobo along with three long beeps. The beeps lead me to believe it is a ram issue but the code 21 has something to do with initializing a chipset component. Does anyone have any suggestions as to what/how to fix this? please and thank you!
graphics: invidia GT460/PNY 610
ram: ddr3 12gbs
Unit was working perfectly fine. (and has been since i built it in 2009) I do not have AC in my apartment and noticed it was running really hot so i decided to upgrade the heatsink.
I recommend you doing the following steps: