[LS1ow]

anyone in here good with computers ? i know nothing about them and my laptop decided to neg itself. its a gateway laptop about 3 years old. i have a lot of stuff for work on it, also all my music and stuff id like to get it back to life is possible. i think its sometihng with the operating system ? i get the black screen with the options for starting windows so i hit start windows normally, brings me to a disk drive check, click to skip the disk drive check n it brings me to my log in screen, from there i enter my password and it loads for a good 30 seconds befor it says i cant get on. also there is like a tapping sound coming from inside the computer. on the boot menu it says there is no operating system found, also, my disk drive is messed up but im not shure why or how it happend. could the disk drive be the problem ?