okay so i was messing around when . . . . .

i was making a city landscape at one stage i had it lit and textured i then attempted to render it but the render came up black

i also recently downloaded a .blend made by another person (the blender guru: Andrew Price)
and that rendered does anybody know why my camera can no longer render any images

please help

the n00b

Did ya try default settings?

i over saved it by accident i do not know how to reset it
okay i reverted to factory settings