Go through the main door.
Then straight through past the lifts and clear the Med Center.
After that, go to the lifts and use one of them them.
Exit the lift and go through the open door to the left or right(depending on which lift you used) of the lift.
Look to the right and you'll see a breakable box, its a secret area.
Use the control in the target range to shut off the force field, and blast the back wall with the E-Web.
Look across the courtyard and you'll see another breakable box, blow it, then go in.