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:
• Synchronize Your PC's Clock with an Internet Time Server
• Search for Text in Text Files
• Is Your Critical PC Data Adequately Protected From Disaster?
• CompTIA A+ Complete Study Guide
• How to Setup a VPN Between Two Computers
• How to Manually Register DLL in Microsoft Windows
• How to Configure Hyper-V on Windows Server 2019
• Cortana, Assistant or Spy?
• What Is Virtualization and What Are the Benefits?
• To Protect Your PC Disable the Windows Scripting Host
