Elitegroup MB45II7 WIN7 - Manual (Page 26)

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Whenever possible, keep the AC adapter plugged into the notebook and
an electrical outlet to recharge the battery.
Never turn off or reset your notebook
while the hard disk is in use status icon is lit; doing so can result in loss
or destruction of your data. Always wait at least 5 seconds after
turning off your notebook before turning it back on; turning the power
on and off in rapid succession can damage the notebook’s electrical
circuitry.
Turning On Your Notebook Computer
Hold the button down for a second or two and release. The Power-On
Self Test (POST) runs automatically.
After the POST is completed, the computer reads the operating system
from the hard disk drive into computer memory (this is commonly
referred to as “booting” a computer). If your OS (Operating System such
as Windows Vista…. Etc.) is installed, it should start automatically.
To turn the notebook off, save your work and close all open applications.
Emergency shutdown: Turn off system while pressing power button over
4 seconds in after-POST stage (Power On Self Test).
Operating on Battery Power
Your computer comes with a rechargeable battery pack that lets you
operate the computer without an external power source. When the
battery pack is fully charged, you can operate the computer under the
following conditions:
The battery pack initially has a full charge.
No peripheral devices are installed.
The disk/DVD-ROM drives run no more than 10% of the time
Only use batteries that are approved
by an authorized dealer. All batteries are not the same and therefore
should not be treated as such. Using the wrong battery could cause
serious damage to your computer and yourself through toxic
emissions. Danger of explosion if
battery is incorrectly replaced. Replace only with same or equivalent
type recommended by the manufacturer. Discard used batteries
according to the manufacturer’s instructions or local laws.