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Powering up the platform5 hints left
The only thing between you and the elevator is this platform - but it's out of power.

What do I do?

This chamber introduces the Aperture Science High Energy Pellet.

Try watching it for a few seconds. What's it doing?

What IS it doing?

Coming out of a dispenser, then bouncing back towards it when it hits the floor.

How does that help me?

The floor beneath the dispenser just so happens to have an orange portal on it.

Try shooting a blue portal somewhere to see what happens.

Ah!

Energy pellets can travel through portals! Look for somewhere you can 'deliver' the pellet.
Shoot a portal onto the ceiling above the strange hole. When the pellet touches it, the platform will be activated!


Jump on top of it to reach the exit elevator.

Guide help

This is the low-spoiler guide for "Powering up the platform" puzzle in Portal. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.

Up to "Test Chamber 06"
Hints written by Kieron West
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