the repair and potentially result in a billable event. If the computer does not boot or the customer is not able to
check in and disable the feature, continue with normal procedures to replace the system board.
Inserting a SIM card in the service bay
To insert a SIM card, follow these steps.
1. Turn o the computer by using the Shut down command.
2. Close the display.
3. Disconnect all external devices connected to the computer.
4. Unplug the power cord from the AC outlet.
5. Turn the computer upside down on a at surface, with the service door toward you.
6. Remove the service door, and then remove the battery.
For steps on removing the service door and battery, see Service cover on page 40 and Battery
on page 41.
16 Chapter 2 Components ENWW
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