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:
• Network Security Through the Principle of Least Privilege
• Use Windows 10 File History Option to Backup Your Personal Files
• PC Technician's Software Copyright Responsibilities
• How to Change Process Priorities in Windows Task Manager
• DOS Tasklist and Taskkill Commands
• Create a Windows 7 System Repair Disc
• PowerShell Script to Show Last 5 Errors in Event Log
• Turn Off Windows 10 Snap and Shake
• How to Disable Windows Firewall in Windows 7
• How to Erase a Hard Disk Drive Permanently
