Method/Step
1 Many brands will be in their official website set up a dedicated after-sales inquiry Web site, the following to Lenovo notebook computer as an example, to introduce specific query methods. First open the browser, in the address bar input www.lenovo.com.cn, into the Lenovo website
2 Click the navigation bar service and drive download → Computer services and support, into Lenovo Computer service support page, and then click the "Service query" under the "Warranty and Configuration"
3 Enter the warranty and configuration Query page, here you can query all Lenovo Computer Products warranty and service-related information, including Lenovo Computer host, accessories, business options, etc.
4 turn over the notebook computer, look at the bottom nameplate on the host number (serial number) and note that we can only through the number of host to the site to query the relevant warranty information
5 The host number can also be found in the warranty card, packing list, box, or computer BIOS location
6 Write down the serial number of the notebook into the "Warranty and Configuration Query" page of the search box, and click the search can be queried to the notebook's detailed warranty. In this way, we can also verify that the serial number of this notebook computer is Lenovo products, if not the result cannot be queried
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