My computer is an Athlon T-Bird 900 MHz on an A7V motherboard. After one year I just realized that the original cpu cooler is too noisy. So I bought a Volcano 7 from Fry's. After I installed it and powered on the computer, it kept beeping, which looked like the cooler didn't work properly. However the specification of Volcano 7 says it should be suitable for Athlon processor at this frequency. What's the problem with the cooler or the installation? Any recommendation for a quiet and efficient CPU cooler? Thanks a lot.