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Portal 2 Hints
How can I get past this door?
1 of 6: You can't portal your way past it, so look for a way to open it.
2 of 6: Turn around from facing the door and go straight forward, past the front row of folding chairs.
3 of 6: Move up to the window that looks into a room that's clearly labeled "CONTROL ROOM."
4 of 6: Go through the two doorways to the right of the window, then turn left and go through another doorway to enter the control room.
5 of 6: Look on the wall to the left of the desk for a red button.
6 of 6: Move up close to it so you can use it, then go back around and out the door.
