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1. Place the laptop the edge of a flat, sturdy desk.
2. Open up the screen of the laptop until it won't open anymore.
3. Place the palm of one hand on the palm rest of the laptop.
4. Grip the top of the screen with your other hand and push hard until the screen is 180˚ to the body of the laptop.

Sorry, as far as I know, you can only break it to get it to that position. Only machine I know that can do it without destruction is the Macbook Air.
 
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