| Command | Description | |---------|-------------| | chkdsk | Scan only (read-only mode) | | chkdsk /f | Fixes logical file system errors | | chkdsk /r | Finds bad sectors & recovers data (includes /f ) | | chkdsk /x | Forces volume to dismount before scan (includes /f ) | | chkdsk /scan | Online scan (Windows 11 v21H2+) – no reboot needed | | chkdsk /perf | Uses more system resources for faster scan (use with /scan ) |

Type chkdsk /r and press Enter . 3. Scheduling a Scan on Restart

Using these steps and understanding the options available can help you maintain the health of your disks in Windows 11.