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:
• Script to Print a Directory File List
• Computer Technician's Guide to Dealing with Customers
• The Windows 7 Backup and Restore Utility
• Disable Cutesy Effects to Speed Up Windows 10
• Installing a Local Printer on Windows Vista
• Uncomplicated AD Object Management on a Remote Server Domain
• Turn Off Windows XP Service Pack 2 Firewall
• Disable Long Filenames to Improve Window's Performance
• Hands-On Microsoft Windows Server 2008 Administration
• Windows 7 Tweaks