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:
• SMART Disk Drives Warn You Before They Fail
• Windows 10 New Storage View
• Disable Annoying 'Get Windows 10' Message
• How to Change Process Priorities in Windows Task Manager
• How to Map a Network Folder in Windows 7
• Turn Off Windows XP Service Pack 2 Firewall
• The Windows 7 Backup and Restore Utility
• Configuring Windows as a NTP (Network Time Protocol) Server
• The Windows 7 Backup and Restore Utility
• Kill The Messenger (Service)
