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:
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• Disable Indexing to Speed Up Your Computer
• Choosing a Tape Drive
• Command Line to Get Computer's Numner of CPU Cores
• Set Up Parental Controls
• Restrict Web Browsing With Internet Explorer
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• Windows 7 Tweaks
• Windows PC Performance Troubleshooting and Optimisation
• Introduction to DOS