If you use a copy stand, keep it at the same eye level as your screen. This reduces eye and neck strain. Also, rest your eyes occasionally by closing them or focusing on a fixed spot in the distance.
Be gentle with your keyboard. Too much force creates tension in your hands. Also, make sure your work surface has enough room for you to move the mouse or other pointing device freely.
Use good lighting that isn’t too bright. Try to keep bright light sources out of your field of vision when you are looking at the screen.
Place your monitor directly in front of you and sit about an arm’s length away from it. The top of the screen should be slightly below your eye level so you look down at the screen. Position the monitor so that no light is reflected from the screen.
Stopping a Command or Program
You may sometimes need to stop a command or program while it is running. If you have entered an
Press Ctrl Break.
If these methods do not work, you may need to reset the computer as described below. Do not turn off the computer to exit a program or stop a command unless you have to, because the computer erases any data you did not save.