...Bricks don't move unless you blow them up...
And no, while having the Portal Gun out, if you hit "L" it changes the gun's mode from a Portal Gun (A gun by using left and right mouse keys that makes two areas that teleport you to the other on any surface), to a Gravity Gun (A gun that picks up physics objects like Vehilces and Bots, Not bricks)
He's talking about the ghost brick. On laptop computers, the ghost brick moving keys are set to i j k l o p u by default instead of the num pad.
Instead of pressing the l key, do this:
1. Press Esc
2. Click Options
3. Click Controls
4. Scroll down the list until you find Use Light
5. Double click on it, then hit any key. If you get a message telling you that the key you pressed is already mapped to something else, press a different key.
6. From now on, when ever you press that key in game, a light will appear on your hand. You can press the same key to remove the light. Now, if you press that key with the portal gun out, it will switch to gravity gun mode.
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