1. First, turn over your notebook and find the label with the production date. The production date of the host is marked here
2. Download related hardware detection software, such as commonly used lumaster, and install it on the computer to run
3, then open the software, you can see your BIOS, display firmware, hard disk usage time and other hardware detection information, you can determine whether it is brand new
4, and then check the battery information, the new computer battery consumption will not be very high.