Lenovo K23 Notebook - Manual (Page 75)

Appendix A. Getting help and service
61
• 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.