How to reinstall Windows 7 By Brad Bourque April 18, 2014 6:00AM PST If you feel that your Windows 7 PC is bogged down by a consistent lag in performance, it might be time to reinstall the OS. How to Format and Reinstall Windows 7. Before you format and re-install windows 7 it is very important that you back up your personal files and folders. Change First Boot Device in BIOS to Boot. A full tutorial on how to clean install Windows 7. A Windows 7 clean install is usually the best way to install, or reinstall, Windows 7 on a computer. Restore To Factory Settings – Guide for Windows XP, Vista, 7, 8, 10 / Guides / Restore To Factory Settings – Guide for Windows XP, Vista, 7, 8, 10. Factory Settings or Factory Defaults usually refers to performing a restore or a reset of your computer to its original configuration as it first was when it was purchased. This video is unavailable. Watch Queue Queue. Watch Queue How to Reinstall Windows 7 From Scratch. How to Perform a Clean Install of a Windows 8 Pro Upgrade. How to Reinstall Windows 8 From Scratch. How to Clean Install Windows XP. Tutorials on Installing Windows 10, 8, 7, Vista & XP. Think Windows Updates Broke Your PC? Here's What to Do. If nothing from previous troubleshooting articles helped to get Windows into proper working condition, there is a way to repair Windows Vista or 7 without losing all your data, documents, settings and installed programs and drivers. This type of reinstallation is also called repair install or in-place upgrade, and it also retains the existing Registry. Мы хотели бы показать здесь описание, но сайт, который вы просматриваете, этого не позволяет. How to Restore, Reset or Reinstall Windows 7 on your Dell PC. When your Operating System stops working correctly, there are ways to get it working again.