Eat, eat and eat some more. Then work out using basic machines keeping the reps low and weights high.
So for chest: bench, inclined bench, flies.
Tricpes: Skull crusher, cable cross push downs.
Legs: Squats, lunges, leg curl, stiff legged dead lifts.
Back: Bent over rows, throw in couple of cable cross machines, some more dead lifts.
Biceps: Preacher curls.
Shoulders: military press.
Try to use barbell as much as possible, and stay away from dumbells.
After working get some sleep, muscles grow when they are at rest.