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If the command prompt says the file system is RAW, chkdsk generally cannot fix it. This indicates severe corruption or file system damage. You will likely need professional data recovery software or a data recovery service.
fsutil dirty set X: chkdsk X: /f /r /x
chkdsk is a , not a data recovery or hardware fix tool. For external drives with logical corruption (e.g., unsafe ejection), chkdsk /f is highly effective, restoring drive accessibility in >85% of cases. However, for drives with physical degradation , running chkdsk is actively destructive, often converting a partially readable drive into an electronic brick.
Stuck at 10%, 12%, 13%, or repeats stage 4.
Restart your computer in Safe Mode to disable background software, then try running CHKDSK again. Alternatively, temporarily disable your antivirus software.
Some external drive errors require third-party tools: