Continuewalking along the available pathas it veers to the right.
Take a right at the Keep Outsign and thencontinue up the small stairsto your left.
Take the stairsand thenmake a leftbefore you go through thedoorwith the bar handleinto the lobby.
Continue straight andonto the yellow elevatorwith thebig red button.Press itto go up.
Drop off the edge of the raised area, take a left, andactivate the power switch.
Wait for the gate to open,go out on the walkway, thendrop onto the ground.
Take a left and thengo back out along the way you camein.
Take it back into the large area,shooting a portal on one of the wallsin the small room.
Shoot another portal through the boardsin the elevator shaft and go through.
Go up the ladderand through the room.
Whatever color you just used,shoot it again on the floorin the room.
Continue along the grated pathand the hallway before going back into the lobby.
Shootone portal into the room through the windowandone on the wall to your rightbefore youturn the power off.
Go back through the portals and thenshoot one in the chamber.
Go through it andturn the power back onbefore going back through.
Continuemoving along the hallwaysand the ruined area until you get to the next testing area.
In it, you’llstart by knocking over both turretsfrom the side.
After that,shoot one color portal underneath the Vacuum Tube.
Next, peek around the corners andshoot the opposite color underneath or behind the turretsto dispose of them.
Do this with the rest of the turretsas you make your way to the top level.
Once there,dispense a cubeanduse portals to take it across the gapto the exit button.
Once through,shoot a portal on the far wallin the distance andanother behind youbefore going through again.
Gothrough the circular doorand follow the walkway until it opens into a larger area.
Go through the chamber and then the conference room to the energy field.
Once through,go into the left doorwayanduse a portal to get to the lower area.
Then, go through the energy field.
Continue through the offices until youget into one with a projector screenthat says’Insert Disc.'
Wait for the scene to play and the dialogue to finish before youpick up the Personality Sphere.
Take it back through the open doorways andinto the dark room.
Then, you’ll gothrough a circular door and up some stairsto get back into the first room.
Once the door is open,pick up the Sphere and continue straightthrough the large open area.
When you get to the stairs,take them upbeforetaking a right into the area with the yellow walls.
Get on the yellow elevatorto finish this section.
