Always be sure that your monitor is electrically rated to operate with the AC power available in your location.NOTE: This monitor does not need or have a voltage selection switch for setting the AC voltage input. It will automatically accept any AC inputvoltage according to the ranges defined in the “Electrical Specifications" section.Do not store or use the LCD monitor in locations that are exposed to heat, direct sunlight, or extreme cold.Avoid moving the LCD monitor between locations with large temperature differences.Do not subject the LCD monitor to severe vibration or high impact conditions. For example, do not place the LCD monitor inside a car trunk.Do not store or use the LCD monitor in locations exposed to high humidity or dusty environment.Do not allow water or other liquids to spill on or into the LCD monitor.Keep flat panel monitor in room temperature conditions. Excessive cold or hot conditions can have an adverse effect on the liquid crystal of the display.Never insert anything metallic into the monitor openings. Doing so may create the danger of electric shock.To avoid electric shock, never touch the inside of the monitor. Only a qualified technician should open the monitor case.Never use your monitor if the power cable has been damaged. Do not allow anything to rest on the power cable. Keep the power cable away from where people could tripover it.Be sure to grasp the plug, not the cable, when disconnecting the monitor from an electric socket.Openings in the monitor cabinet are provided for ventilation. To prevent overheating, these openings should not be blocked or covered. Avoid using the monitor on a bed,sofa, rug, or other soft surface, as doing so may block the ventilation openings in the bottom of the cabinet. If you place the monitor in a bookcase or an enclosed space,be sure to provide adequate ventilation and air flow.Place your monitor in a location with low humidity and minimum dust. Avoid places similar to a damp basement or dusty hallway.Do not expose the monitor to rain or use it near water (in kitchens, next to swimming pools, etc.). If the monitor accidentally gets wet, unplug it and contact anauthorized dealer immediately. You can clean the monitor with a damp cloth when necessary, being sure to unplug the monitor first.Place the monitor on a solid surface and treat it carefully. The screen is made of glass and can be damaged if dropped or hit sharply.Locate your monitor near an easily accessible electric outlet.If your monitor does not operate normally - in particular, if there are any unusual sounds or smells coming from it - unplug it immediately and contact an authorizeddealer or service center.Do not attempt to remove the back cover, as you will be exposed to an electrical shock hazard. The back cover should only be removed by qualified service personnel.High temperatures can cause problems. Don't use your monitor in direct sunlight, and keep it away from heaters, stoves, fireplaces, and other sources of heat.Unplug the monitor when it is going to be left unused for an extended period of time.Unplug your monitor from the electric outlet before any service is performed.Hg Lamp(s) inside this product contains mercury and must be recycled or disposed of according to local, state or federal laws. Or contact the electronic industriesalliance: http://www.eiae.org for more information.Contacting DellTo contact Dell electronically, you can access the following websites:www.dell.comsupport.dell.com (technical support)premiersupport.dell.com (technical support for educational, government, healthcare, and medium/large business customers, including Premier, Platinum, and Goldcustomers)For specific web addresses for your country, find the appropriate country section in the table below.NOTE: Toll-free numbers are for use within the country for which they are listed.When you need to contact Dell, use the electronic addresses, telephone numbers, and codes provided in the following table. If you need assistance in determining which codesto use, contact a local or an international operator.Country (City)International Access CodeCountry CodeCity CodeDepartment Name or Service Area,Website and E-Mail AddressArea Codes,Local Numbers, andToll-Free NumbersAnguilla General Support toll-free: 800-335-0031Antigua and Barbuda General Support 1-800-805-5924Argentina (Buenos Aires)International Access Code: 00Country Code: 54City Code: 11Website: www.dell.com.arE-mail: us_latin_services@dell.comE-mail for desktop and portable computers:la-techsupport@dell.comE-mail for servers and EMC:la_enterprise@dell.comCustomer Care toll-free: 0-800-444-0730Tech Support toll-free: 0-800-444-0733Tech Support Services toll-free: 0-800-444-0724Sales 0-810-444-3355Aruba General Support toll-free: 800-1578Australia (Sydney)International Access Code: 0011Country Code: 61City Code: 2E-mail (Australia): au_tech_support@dell.comE-mail (New Zealand): nz_tech_support@dell.comHome and Small Business 1-300-655-533Government and Business toll-free: 1-800-633-559Preferred Accounts Division (PAD) toll-free: 1-800-060-889Customer Care toll-free: 1-800-819-339Technical Support (portables and desktops) toll-free: 1-300-655-533