Asus B51E - Manual (Page 26)

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Getting Started
IMPORTANT! To protect the hard drive, wait at least  seconds after turning OFF
your Notebook PC before turning it back ON.
IMPORTANT! Do not use emergency
shutdown while data is being written;
doing so can result in loss or destruc-
tion of your data.
Emergency Shutdown
In case your operating system cannot properly
turn OFF or restart, there are two additional ways
to shutdown your Notebook PC:
Power Options
The power switch turns ON and OFF the Notebook PC or putting the Notebook PC into sleep or
hibernation modes. Actual behavior of the power switch can be customized in Windows Control Panel
“Power Options.”
For other options, such as “Switch User, Restart, Sleep, or Shut Down,”
click the arrowhead next to the lock icon.
Restarting or Rebooting
After making changes to your operating system, you may be prompted
to restart the system. Some installation processes will provide a dialog
box to allow restart. To restart the system manually, choose Restart.
Hold the power button
over 4 seconds.