>>My computer has started beep beeping again. I am running OS X and I believe once again that my hard drive is starting to fail. I am keeping a second drive as a back-up. My question is-- is it really my hard drive. This "beep '2 second pause' beep" is starting to concern me!! Any feedback?<< HEY, is your firmware updated? Maybe try that hareware diagnostic disk if it came with your machine and reseat that ram while you are at it. jj