How can you use a laptop as a second monitor?

DiamondxCrafting

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Jan 20, 2015
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Hey, so i was wondering as you already know by the title how can i use my laptop as a second monitor now keep in mind am already using a laptop, is that possible? the laptop that am using is Asus k550l
i7 4510U
8gb Ram
GeForce 820m
And i want to use my other laptop as a second monitor.
Thanks
 
Solution
Nope, not possible since you have no way on inputting video into that device to output it again.
Just get another monitor, they're cheap enough.