
Setting Up Your Computer 3
Positioning and plugging in the computer
Place your computer on a sturdy, flat surface near a grounded wall outlet. Your computer is
designed to be placed on the floor to conserve desk space, but you can place it on any stable,
flat surface.
Before you plug your Macintosh into a wall socket, carefully read all the setup instructions in
this chapter. Then, before you connect any other equipment to your Macintosh, follow the
instructions in this section to plug it in. The plug grounds the computer and protects it from
electrical damage while you set up. When you are ready to begin setting up, follow these steps:
1 Make sure the voltage switch on the back of the computer is set for the kind of voltage
system to which you will be connecting.
The voltage switch must be set correctly to avoid damaging your computer. An adhesive label
showing how to set the voltage may partly cover the voltage switch and power socket.
Remove the label. If you don’t know the voltage used in the country you’re in, look at the
table “Voltage Switch Settings for Different Locations” on the next page.
Set the switch to show “115” for AC voltages in
the 100–120V range. Set the switch to show
“230” for AC voltages in the 200–240V range.
Check to see that the voltage switch on the back
of your computer is properly set before you plug
it in. If you need to change the setting, insert a
small screwdriver in this slot and slide the switch.
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