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:
• Planning a Backup and Restoration of Files for Disaster Recovery
• NTFS Permissions
• Hard Disk Management
• Disable Kernal Paging to Speed Up Windows
• Microsoft Licensing Explained
• PC Technician's Guide to Providing Telephone Support
• A Day in the Life of a System Administrator
• Use Free Autoruns Utility to Disable Unnecessary Startup Programs
• Set the User's Profile Information
• Configure Vista's Data Execution Prevention