Windows 10 Troubleshooting Apr 2026

Type sfc /scannow and hit Enter. This scans and repairs system files. Restart: Once finished, restart your computer. Other High-Value Troubleshooting Tools

Press the Windows Key , type cmd , right-click "Command Prompt" and select Run as administrator . Windows 10 Troubleshooting

Type dism /online /cleanup-image /restorehealth and hit Enter. Wait for this to finish, as it fixes the underlying image files (requires internet) . Type sfc /scannow and hit Enter

(e.g., PC not booting, app crashes, blue screen, slow speed) PC not booting