WMIC (Windows Management Interface Command) is a command line tool that returns information about the system where it's run. To open a command line shell, at the bottom of the screen, left side of the taskbar, in the Windows search text box, type cmd. To learn your computers model, vendor, and serial number, type the command shown below at the command prompt.
wmic csproduct get name,vendor,identifyingNumber
Perfoming an online search with the name and vendor information provided will return loads of information allowing you to find upgrade, troubleshoot, or repair your computer.
More Windows Administration Information:
• Computer Technician's Guide to Dealing with Customers
• How to Harden a Server
• Introduction to DOS
• Set Up Parental Controls
• Internet Connection Sharing in Windows XP
• How to Optimize Your Solid State Drive
• Use Windows 10 File History Option to Backup Your Personal Files
• Windows 10 Diagnostic Data Send to Microsoft
• Command Line to Get Computer's Numner of CPU Cores
• Use PowerShell and WMI to Get CPU Information