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:
• Planning a Backup and Restoration of Files for Disaster Recovery
• What is the difference between MSI and EXE Installations?
• Script to Display the Processes Running on a Computer
• Make a Shortcut to Create a Restore Point on Windows 10
• How to Become a Microsoft MVP (Most Valuable Professional)
• What is Hyper-V in Windows Server 2019?
• Check Your Version of PowerShell
• Cortana, Assistant or Spy?
• The Windows 7 Backup and Restore Utility
• Set Up Parental Controls
