Hey mate, I't seems you have a pretty bad problem. The beeps that you are hearing are troubleshooting noises, generated to tell a technician what's wrong with the computer, any more then one means there is a problem. As for the SAFE MODE, it means there is a few different things that could be wrong with the computer. This link will explain a little more about it and help you to hopefully fi the problem; http://www.liutilities.com/how-to/get-a-computer-out-of-safe-mode/
I hope this helps you out.