· Always switch the computer off and remove power cables before opening the case. So that you do not get an electrical shock from any part of the computer.
· Use correct tools when working on the machine. To prevent any damage to the computer when working on the machine.
· If available use earth protections devices. This will stop any static electricity effecting or damage any electronic components inside the machine.
· Have a break from looking at a computer screen at least every 2 hours. To stop damage to your eyes and brain from excessive uses.
· When working on the internals of a computer have the machine at waist height. This will prevent you from having backaches and pains.
· Position yourself and your computer in a comfortable sitting position
· Don’t leave the machine switch on when working on the inside of the computer.
· Don’t pull on any cables/leads plugged into the back of the machine.
· When installing devices into the machine always check that they have been pushed in and secured correctly.
· Don’t have food or drink near the computers at any time.