Appendix 121These provisions apply to Dell’s three-year limited warranty only. Forprovisions of any service contract covering your system, refer to your invoiceor the separate service contract that you will receive.If Dell elects to exchange a system or component, the exchange will bemade in accordance with Dell’s Exchange Policy in effect on the date of theexchange. In any instance in which Dell issues a Return MaterialAuthorization Number, Dell must receive the product(s) for repair prior tothe expiration of the warranty period in order for the repair(s) to be coveredby the limited warranty.Four-Year Limited Warranty (U.S. Only)Dell Computer Corporation ("Dell") manufactures its hardware productsfrom parts and components that are new or equivalent to new in accordancewith industry-standard practices. Dell warrants that the hardware productsit manufactures will be free from defects in materials and workmanship.The limited warranty term is four years beginning on the date of invoice, asfurther described in the following text.Damage due to shipping the products to you is covered under this limitedwarranty. Otherwise, this limited warranty does not cover damage due toexternal causes, including accident, abuse, misuse, problems with electricalpower, servicing not authorized by Dell, usage not in accordance withproduct instructions, failure to perform required preventive maintenance,and problems caused by use of parts and components not supplied by Dell.This limited warranty does not cover any items that are in one or more ofthe following categories: software; external devices (except as specificallynoted); accessories or parts added to a Dell system after the system isshipped from Dell; accessories or parts added to a Dell system throughDell's system integration department; accessories or parts that are notinstalled in the Dell factory; or Dell Software and Peripherals products.Monitors, keyboards, and mice that are Dell-branded or that are includedon Dell's standard price list are covered under this limited warranty; all othermonitors, keyboards, and mice (including those sold through the DellSoftware and Peripherals program) are not covered. Batteries for portablecomputers are covered only during the initial one-year period of this limitedwarranty.