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5. Install a new SIM card into the tray.
6. Insert the tray into the computer.
7. Reconnect the ac power adapter and all cables.
Replacing the external battery pack
Before you start, print these instructions.
This system supports only batteries specially designed for this specic system and manufactured by Lenovo
or an authorized builder. The system does not support unauthorized batteries or batteries designed for other
systems. If an unauthorized battery or a battery designed for another system is installed, the system will
not charge.
Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and
provides no warranties for failures or damage arising out of their use.
Note: If an unauthorized battery is installed, the following message will be displayed:
“The battery installed is not supported by this system and will not charge. Please replace the battery
with the correct Lenovo battery for this system.”
Chapter 6. Replacing devices 69