I have an ASUS G550JK that I've owned for about 2 months now. It makes some clicking noises sometimes and I want to know what it is. From what I have looked up and from talking with ASUS support it appears to be from the hard drive. ASUS support wants me to take it in to Best Buy or somewhere to have them check out the hard drive, but I do not have the time right now. It is a clicking that comes and goes, when it comes it is more of a click followed by another every few seconds at a relatively steady pace and then just stops. Everytime a click occurs, my load cycle count increases by 1. From some of the symptoms I am experiencing, it appears that the drive heads stopping because of APM or something similar is also another possibility. Does anybody have experience enough to know if it could be APM or if I should be worried about possible hard drive failure? Also, is there a way to check if it is indeed APM? I have tried looking online but can't seem to find a way to disable, or at least make it less aggressive, to see if it may indeed be the cause of the sound?