Is there any physical damage to the drive that you can see?
It appears the drive is external, so I take it it is/was your secondary/backup drive am I correct?
OK, so it appears that when this drive is hooked up, you can't seem to access its contents.
You may be lucky and only have a data cable problem, such as a wire was pulled out of its connector during the fall, you could try diagnosing this wire using an Ohm meter to test for continuity between the connectors on either end of the data cable, or just replace it. That's the cheapest way to go for now. If your drive is damaged externally or internally, this may require a professional repair.
Edited by MrBruce1959, 10 April 2010 - 01:06 AM.