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:
• Windows 2000 Security Overview
• Computer Technician's Guide to Electronics Disposal and Recycling
• How to Disable Windows 10 OneDrive
• Introduction to Windows PowerShell
• Command Line to Get Computers Model, Vendor, and Serial Number
• To Protect Your PC Disable the Windows Scripting Host
• Script to Print a Directory File List
• The Security and Maintenance of Messages in Outlook Express
• Easy PC to PC Files and Settings Transfer Cable
• How to Optimize Your Solid State Drive
