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Once booted to the DVD, you’ll see the familiar Windows installation language-selection screen. Press a key when prompted to boot from DVD. Insert the Windows Installation DVD and set up your computer to boot from optical drive (You might need to change the boot priority in the UEFI / BIOS). If you don’t have a Windows Installation DVD, you can borrow one from a friend or use a Recovery Drive created in any computer running Windows 10/8. If Windows cannot start because some of system files are corrupted or missing, just boot your computer from Windows Installation DVD and you can repair the system files offline. Method 2: Repair System Files Offline When Windows Won’t Boot If you see a “ Windows Resource Protection found corrupt files but was unable to fix some of them” message, try reboot into Safe Mode and run the SFC command again, or try the method below. The scan results will be shown after this process is finished.
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SFC is built into Windows 10/8/7/Vista that can scan your system files for corruption or modification. Did you accidentally deleted a vital system file? Windows failed to load because of missing or corrupt system files? In this tutorial we’ll show you how to repair corrupt or missing system files using the Windows built-in command line utility – SFC (System File Checker).
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