If the mouse no longer moves smoothly, clean the ball in the mouse or replace the mouse pad. You can customize these settings on your computer. Avoid using a mouse wherever possible by using the function keys. The Help function on your computer will automatically indicate the alternatives. When using the keyboard allow your fingers to rest on the keys.
Incorrect lighting can cause disruptive reflections on the computer screen.
In addition, your colleagues' equipment and activities may cause noise which you find disturbing. Too much disturbing noise can result in concentration problems, causing you to tense your muscles. It is therefore desirable to place noisy equipment such as printers in a separate room. Laser printers and photocopy machines which are used frequently should ideally be placed outside the office space in a ventilated room due to heat and dust production. There may also be other reasons for a poor climate in the workplace, such as draughts.