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If you are scanning the C: drive (where Windows is installed), you will see a message saying: "Chkdsk cannot run because the volume is in use by another process. Would you like to schedule this volume to be checked the next time the system restarts? (Y/N)"
| Switch | What it does | |--------|---------------| | /f | Fixes file system errors | | /r | Finds bad sectors and recovers readable data (implies /f ) | | /x | Forces the volume to dismount before scanning (implies /f ) | | /scan | Online scan (Windows 11 only, no reboot needed for system drive) | | /perf | Uses more system resources to scan faster (use with /scan ) | run chkdsk windows 11
After CHKDSK completes, you’ll see a summary like: If you are scanning the C: drive (where
This is normal! Windows cannot fix certain files while they are currently being used to run your computer. The scan will happen before Windows fully loads the next time you reboot. Windows cannot fix certain files while they are
You don't need to run this tool every week. Run it if you notice:
If you are scanning the C: drive (where Windows is installed), you will see a message saying: "Chkdsk cannot run because the volume is in use by another process. Would you like to schedule this volume to be checked the next time the system restarts? (Y/N)"
| Switch | What it does | |--------|---------------| | /f | Fixes file system errors | | /r | Finds bad sectors and recovers readable data (implies /f ) | | /x | Forces the volume to dismount before scanning (implies /f ) | | /scan | Online scan (Windows 11 only, no reboot needed for system drive) | | /perf | Uses more system resources to scan faster (use with /scan ) |
After CHKDSK completes, you’ll see a summary like:
This is normal! Windows cannot fix certain files while they are currently being used to run your computer. The scan will happen before Windows fully loads the next time you reboot.
You don't need to run this tool every week. Run it if you notice: