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HP and Compaq Desktop PCs - Setting Input Voltage for Use in Another Country/Region

This document applies to all HP and Compaq desktop PCs.
Using a computer in a country/region other than where it was originally purchased may require changing the input voltage selector switch. The voltage selector switch can be found on the back of the PC where the power cord connects to the PC.
Figure : Voltage selector switch example
 note:
Some PCs come with power supplies that switch automatically and do not have a voltage selector switch.
There are two switch positions on the input voltage selector - a lower range (typically 100V-127V~7A - 115V) and an upper range (200V-240V~4A).
To switch the selection, unplug the power cord and use a small screwdriver to slide the switch to the opposite position.
The voltage level supplied by the power outlet needs to fall within the voltage range that is selected by the input voltage selector.
 caution:
Changing the input voltage selector switch to the incorrect setting can damage the computer. Make sure that you know what voltage is being supplied by the power outlet before setting the voltage selector switch and before connecting the power cord.
For example, if a PC was purchased and used in the United States on 120 volt alternating current (VAC) and was then moved to another country that used 220 VAC, the voltage selector switch needs to to be switched from the lower range to the upper range (230V) before it can be powered on.
In addition, different countries/regions use different power outlets and plug ends. You may have to purchase and use a new power cord to match the outlet type. Adapters may also be available that can allow you to use your original cord with different outlet types, but using a correct cable type should be preferred over using an adapter.
 note:
The following list is provided as an example of the differences between coutries/regions. Some countries/regions may use more than one type of voltage in different areas. Do not use the data in this list to determine the source voltage for your power outlet. If you are in doubt, refer to your electrical bill or support for your power services.
Countries/Regions
Voltage
Argentina
220 VAC
Australia
240 VAC
Canada
120 VAC
China
220 VAC
Cyprus
240 VAC
Denmark
220 VAC
Egypt
220 VAC
Europe, East and West
220 VAC
India
220 VAC
Japan
100 VAC
Libya
220 VAC
Mexico
120 VAC
New Zealand
240 VAC
Papua New Guinea
220 VAC
Philippines
120 VAC
Saudi Arabia
220 VAC
Singapore
240 VAC
South Africa
220 VAC
Spain
220 VAC
Sudan
240 VAC
Switzerland
220 VAC
Taiwan
120 VAC
United Kingdom
240 VAC
United States
120 VAC
Uruguay
220 VAC

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