This Important Product Information Guide contains safety, handling, disposal and recycling, regulatory, and software license information, as well as the
±Read all safety information and operating instructions below before using iMac to avoid injury. For a downloadable version of the iMac Quick Start guide and the latest version of this Important Product Information Guide, visit: support.apple.com/manuals/imac
Important Safety and Handling Information
WARNING: Failure to follow these safety instructions could result in fire, electric shock, or other injury or damage to iMac or other property.
Proper handling Set up your iMac on a stable work surface. Never push objects into the ventilation openings.
Water and wet locations Keep your iMac away from sources of liquid, such as drinks, washbasins, bathtubs, shower stalls, and so on. Protect your iMac from dampness or wet weather, such as rain, snow, and fog.
Power Unplug the power cord (by pulling the plug, not the cord) and disconnect the ethernet cable or phone cord if any of the following conditions exist:
ÂÂ You want to add memory (memory is
ÂÂ The power cord or plug becomes frayed or otherwise damaged
ÂÂ You spill something into the case
ÂÂ Your iMac is exposed to rain or excess moisture
ÂÂ Your iMac has been dropped or the case has been damaged
ÂÂ You suspect that your iMac needs service or repair
ÂÂ You want to clean the case (use only the recommended procedure described later in this document)
Important: The only way to turn off power completely is to unplug the power cord. Make sure at least one end of the power cord is within easy reach so that you can unplug your iMac when you need to.
Power specifications
ÂÂ Voltage: 100 to 240 V AC
ÂÂ Current: 3 A, maximum
ÂÂ Frequency: 50 to 60 Hz
Power specifications (27-inch model):
ÂÂ Voltage: 100 to 240 V AC
ÂÂ Current: 4 A, maximum
ÂÂ Frequency: 50 to 60 Hz
WARNING: Your AC cord has a
Hearing damage Permanent hearing loss may occur if earbuds or headphones are used at high volume. You can adapt over time to a higher volume of sound that may  sound normal but can be damaging to your hearing. Â
If you experience ringing in your ears or muffled speech, stop listening and have your hearing checked. The louder the volume, the less time is required before your hearing could be affected. Hearing experts suggest that to protect your hearing:
ÂÂ Limit the amount of time you use earbuds or headphones at high volume.
ÂÂ Avoid turning up the volume to block out noisy surroundings.
ÂÂ Turn the volume down if you can’t hear people speaking near you.
Operating environment Operating your iMac outside these ranges may affect performance:
Operating temperature: 50° to 95° F (10° to 35° C)
Storage temperature:
Relative humidity: 5% to 90% (noncondensing)
Operating altitude: 0 to 10,000 feet (0 to 3048 meters)
Do not operate your iMac in areas with significant amounts of airborne dust, or smoke from cigarettes, cigars, ashtrays, stoves, or fireplaces, or near an ultrasonic humidifier using unfiltered tap water. Tiny airborne particles produced by smoking, cooking, burning, or using an ultrasonic humidifier with unfiltered water may, in rare instances, enter the ventilation openings of your iMac and, under certain conditions, result in a slight haze on the inside surface of the glass panel that covers the iMac display.
Turning on your iMac Never turn on your iMac unless all of its internal and external parts are in place. Operating your iMac when parts are missing may be dangerous and may damage your iMac.