Bad Sector Scanner
Assess warning signs from your drive’s SMART data and symptoms, then get safe next steps to protect your files.
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Important: This is a diagnostic guide, not a direct disk scan. If you suspect drive failure, back up important files before running repair or surface-testing tools.
Bad-sector signal
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Symptom severity
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Backup urgency
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Recommended next steps
Useful scan commands
A clean result does not guarantee a drive is healthy. Repeated errors, growing SMART counts, unusual noises, or inaccessible files are reasons to replace the drive after backing up your data.
