Lenovo on Twitter: "@amanrawal13 Hi Aman, we would like the opportunity to investigate your feedback further. Could you drop us a DM with your system serial number, contact details, and a brief
Twitter 上的Lenovo:"@king_shetty Hi Chirag, could you please DM the serial number of the machine as we can check for the warrant. –Ashwin_Lenovo" / Twitter
![How to Change Serial Number, Type, Model, Lenovo Thinkpad || T480 || T490 || Core Services - YouTube How to Change Serial Number, Type, Model, Lenovo Thinkpad || T480 || T490 || Core Services - YouTube](https://i.ytimg.com/vi/qaRio9P4EOE/maxresdefault.jpg)