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Portal 2 Hints
How can I damage this monitor?
1 of 5: By blasting it with the laser beam.
2 of 5: Go over to the wall that the blue portal is on, then turn around.
3 of 5: Relocate the orange portal to a spot at the top of the portal-friendly wall you can see across the chamber, putting it as far left as it'll go.
4 of 5: Go back to the other side of the redirection cube, then pick it up and turn it so the laser beam hits Wheatley's monitor through the portal.
5 of 5: Hold the beam on the monitor until it cracks.