Note: When installing the Z hook kit, fasten the screws correctly to ensure that the computer is stable.Rear Wi-Fi antennaPrerequisiteBefore you start, read Appendix B “Important safety information” on page 51 and print the followinginstructions.Avoid contact with the hot computer. During operation, the computer becomes hot enough to burn the skin.Before you touch the computer, turn off the computer, disconnect power, and wait approximately 30 minutesfor the computer to cool.For access, do the following:1. Remove any media from the drives and turn off all connected devices and the computer.2. Disconnect all power cords from electrical outlets and disconnect all cables from the computer.36 ThinkEdge SE30 User Guide