To dispose of the coin-cell battery, refer to the "Lithium coin-cell battery notice" in the Safety and Warranty
Guide.
Wi-Fi units
Prerequisite
Before you start, read Chapter 1 "Important safety information" on page 1 and print the following
instructions.
The Wi-Fi units include a Wi-Fi adapter, a Wi-Fi card, and a Wi-Fi antenna.
For access, remove the computer cover. See "Computer cover" on page 58.
Removal steps
If your computer comes with a Wi-Fi card that supports the Bluetooth function, disconnect the Bluetooth
cable from the Wi-Fi adapter.
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P620 Hardware Maintenance Manual