Test for proper operation before reinstalling the base unit cover
1) Reconnect the keyboard, video and power cables.
2) Plug the surge protector back into the power receptacle and turn it on.
3) Turn on the base unit and peripherals one at a time.
4) Make sure the computer is working properly.
WARNING: DO NOT touch or probe with a tool anywhere inside the base unit with the computer turned on. An electrical shock could occur, or one or more components could sustain catastrophic damage.
5) Turn the computer and all components off and disconnect its power cable from the electrical outlet.
6) Disconnect all cables.