Lenovo 3000 G230 - Manual (Page 19)

Chapter 2. Using Your Computer
11
Note:
If the computer does not respond to the turning off, a mandatory
shutdown may be needed.
To turn off your computer, press and hold the power button for 4
seconds or more. If the computer still does not respond, remove the
AC adapter and the battery and then restart the computer.
Lenovo G230 UG V1.0_en.book Page 11 Monday, July 28, 2008 7:29 PM