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:
• Use Windows 10 File History Option to Backup Your Personal Files
• Script to Identify Your Systems HAL
• Search for Text in Text Files
• Create a Windows 7 System Repair Disc
• Font Basics
• Turn Off Windows 10 Snap and Shake
• Use PowerShell and WMI to Get CPU Information
• Command Line to Get Computers Model, Vendor, and Serial Number
• How to Map a Network Folder in Windows 7
• Windows Event Logs for Maintaining or Troubleshooting Your PC
