HP Notebook pc User Manual page 58

If the computer has a wireless device installed, the use of these devices may be restricted in
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some environments. Such restrictions may apply aboard aircraft, in hospitals, near explosives,
and in hazardous locations. If you are uncertain of the policy that applies to the use of a
particular device, ask for authorization to use your computer before you turn it on.
If you are traveling internationally, follow these suggestions:
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Check the computer-related customs regulations for each country or region on your
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itinerary.
Check the power cord and adapter requirements for each location in which you plan to use
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the computer. Voltage, frequency, and plug configurations vary.
WARNING!
attempt to power the computer with a voltage converter kit sold for appliances.
48 Chapter 8 Maintaining your computer
To reduce the risk of electric shock, fire, or damage to the equipment, do not