Is your laptop screen blurry?

If your laptop screen appears blurry, this might be because it is hooked up to a projector. This can be frustrating when spending longer periods of time looking at your screen.

  On some laptops there is a shortcut key to switch between display options.  On many elementary school computers this key is F4. Pressing that button will bring up several display options: Computer Only (which will get rid of the output to the projector), Duplicate (which will output to the projector an exact clone of your screen), Extend (which will act as an extension of your screen - so you can drag items over to it), and Projector Only (which will turn off your display and only show through the projector).