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Portal 2 Hints
How can I open this chamber's exit door?
1 of 9: There's a line of blue dots leading from the exit door to a laser receptacle on the wall, so you apparently need to redirect a laser beam into the receptacle.
2 of 9: The only laser beam is way over on the other side of the chamber, past the item-destroying "emancipation" force field.
3 of 9: Fortunately, the force field won't interfere with the laser, so look around for a way to bend it toward the receptacle.
4 of 9: It'll soon become clear that you're going to need a redirection cube for that.
5 of 9: If you follow the blue dots along from the overhead cube tube in the chamber's first section, you'll see that they lead to a button pedestal in the chamber's second section.
6 of 9: Use the two raised floor plates to pass through the force field and enter the second section, then go over to the pedestal and press its button.
7 of 9: That'll cause a redirection cube to drop into the chamber's first section. You'll need to bring it into the second section in order to redirect the laser beam.
