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 7 Tweaks
• Video - Microsoft Remote Desktop - Part One
• PC Technician's Software Copyright Responsibilities
• Hands-On Microsoft Windows Server 2008 Administration
• Video - Microsoft Remote Desktop - Part Two
• Three Important Techniques for Securing a Wireless Network
• Put HyperTerminal on Windows 7
• The Windows 7 Backup and Restore Utility
• PC Technician's Guide to Providing Telephone Support
• Hard Disk Management