ok so i was on my computer today and i was drinking some milk and i was talking to my friend and she said something funny and then like a klutz i knocked over my milk and it spilled and then i was on my computer at the same time and then i dropped my computer while trying to get up off my bed and then my comp fell on the floor and i don't know if i broke it because when i turned it on the side of my computer it has this little black mark it looks like a slit or a slice like it's just a maybe a 2 in. black mark and it looks like it's cracked and it looks like it could be broken but i don't know HELP ME PLEASE!!!!

p.s. my computer is a gateway...... if u wanted to know.......