Lenovo U-550 Lenovo IdeaPad U550 UserGuide V1.0 - Page 83
Installation and maintenance of network operating systems NOS, Changes, modifications
UPC - 884942567636
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Appendix A. Getting help and service • Engineering change management - Occasionally, there might be changes that are required after a product has been sold. Lenovo or your reseller, if authorized by Lenovo, will make selected Engineering Changes (ECs) available that apply to your hardware. The following items are not covered: • Replacement or use of parts not manufactured for or by Lenovo or non warranted parts • Identification of software problem sources • Configuration of BIOS as part of an installation or upgrade • Changes, modifications, or upgrades to device drivers • Installation and maintenance of network operating systems (NOS) • Installation and maintenance of application programs To determine if your Lenovo hardware product is under warranty and when the warranty expires, go to http://consumersupport.lenovo.com. Refer to your Lenovo hardware warranty for a full explanation of Lenovo warranty terms. Be sure to retain your proof of purchase to obtain warranty service. 69