Always Unplug and Remove Batteries Before servicing

Excess Power in a System can be Dangerous

Before servicing any components in a laptop or desktop computer, make sure that there in no power left in the system. You can do this by unplugging devices and removing the battery from the devices.

Only Service the Correct Parts

Many of the parts in a computer are FSU (field serviceable units) and can be serviced in the field but some are FRU (field replaceable units) and should only be replaced and not serviced due to the danger of electric shock