Step five, monitor distance. With your computer directly in front of you sit in a neutral position with your fingers on the external keyboard. Raise one of your arms so the fingers are pointing toward the monitor. Don't stretch your reach. Move the computer so that your fingertips are close to the monitor. This will give you a general idea of distance.

Since we all have different arm lengths and vision requirements, the actual distance between your monitor and your eyes is subject to personal preference. Just move the computer toward or away from you an inch at a time until you find what works. Laptop are mounts can provide an easy way to adjust your monitor as well as clearing up desktop space. If yours is attached to a mount, just follow steps four and five, four Height and distance positions