The gears on my bike won't move when i press the lever, I can hear them trying to move, but the chain does not

Question

could it possibly be the cable connecting the gears to the chain, and if so how do i fix that my self?

Answer 1

Here's a video on how to adjust your rear derailleur:

http://bicycletutor.com/adjust-rear-dera...

It's a good site for teaching people how to maintain and fix little problems on their bikes.