Lenovo 3000 Series User Manual page 21

Lenovo Notebook Computer User Guide
1.2.3 Turn off the computer
Save and close all the open files and exit all the running
applications.
Click Start ‐> Turn Off Computer‐> Turn Off.
The computer will complete the turning off process and shut down
the power.
Hint: If there is an error during the turning off process, and
the system cannot shut down automatically, press the Power
Switch "
Note: If you are using the Windows operating system, then
use the operating system to turn off the computer to avoid
data loss.
1.3 Using battery pack
1.3.1 Activating the battery
The battery that comes with the computer is a lithium‐ion battery.
3. Connect the AC adaptor's DC output plug to
the computer's DC IN socket;
4. Plug the power cord into a live power source
which supports the voltage from 100 to 240volts
and the frequency of either 50 or 60 hertz.
5. Open the display panel to the right angle and
press the Power Switch to turn on the
computer.
" for 4~5 seconds to turn off the computer.
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