Acer AcerSystem (User Guide) - Manual (Page 18)

2 Setting up your computer 8
English
Connecting the power cable
Caution: Before you proceed, check the voltage range in your
area. Make sure that it matches your computer's voltage setting. If
they don't match, change your computer's voltage setting
according to your area's voltage range.
Set the voltage selector switch to the voltage range applicable to your area.
Plug the power cable into the power cable socket located on the rear panel of
your computer. Then plug the other end of the power cable into a power
outlet.
Turning on your computer
After connecting the necessary peripherals and plugging in the power cable,
you are now ready to turn the computer on and get to work.
To turn on your computer:
1
Turn on all peripherals connected to your computer, such as the monitor,
printer, speakers, etc.
2 On the front panel of your computer, press the power button.
Important: Make sure that the power cable is properly plugged
into an electrical outlet. If you are using a power strip or an AVR
(Auto-Voltage Regulator), make sure that it is plugged in and
turned on.
Turning off your computer
If you cannot shut down your computer normally, press and hold the power
button for at least four seconds. Quickly pressing the button may put the
computer in suspend mode only.