Upgrading The Hard Disk Drive - Lenovo 78691EU Service And Troubleshooting Manual

Replacing the battery
5. Make sure that the battery latch is in the locked position.
6. Turn the computer over again. Connect the ac adapter and the cables to
the computer.

Upgrading the hard disk drive

Important
Read Safety and Warranty Guide before replacing the hard disk drive.
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Lenovo 3000 C100 Service and Troubleshooting Guide