lol well you can put your hand on the hard drive and feel it click when it makes the noise but you would normally have corrupt files and stuff some time before the hard drive going bad.
I keep a good look at the psu fan inside cause it the psu overheats it would shut of your pc so many times for it just dies and thats usually cause the fan stopped working in it. But OWNS!!! Dont SMACK IT!!!! leave that find of stuff for the bed bedroom