CAUTION: Before performing the following procedures, follow the safety instructions in your Product
Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically
touching a connector on the back panel of the computer.
NOTICE: To avoid damaging the system board, you must remove the main battery before you begin working
inside the computer.
If you ordered an internal card with Bluetooth wireless technology with your computer, it is already installed.