Method 1:
View through the nameplate label on the bottom of the laptop.
The nameplate label is located at the bottom of the notebook, and the SN bar code is displayed on the top. As shown below:
Method 2:
1. Press the "Win + R" keys at the same time to open the "Run" window, enter "cmd", and click "OK".
2. Enter wmic bios get serialnumber to view the SN number.