Dell Dimension XPS 50 Reference Manual page 5

wrists relaxed and flat
arms at desk level
Vary your work activities. Try to organize your work so that you do not have to
type for extended periods of time. When you stop typing, try to do things that
use both hands.
monitor screen at or below eye level
Before you remove the computer cover, perform the following steps in the sequence
indicated.
1. Turn off your computer and all devices.
2. Ground yourself by touching an unpainted metal surface on the back of the
computer before touching anything inside your computer.
While you work, periodically touch an unpainted metal surface on the computer
chassis to dissipate any static electricity that might harm internal components.
3. Disconnect the power cable to your computer, and then press the power button
to ground the system board.
monitor and
keyboard
positioned
directly
in front of user
feet flat on the floor
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