Knowledge Base
External hard drive not recognized
Hardware
External hard drive not recognized
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Last Revised Mar 4, 2026
1. Try a different USB port or cable.
2. Check Disk Management (diskmgmt.msc) for the drive.
3. If it shows as unallocated, you may need to initialize or format (backup data first).
4. Update USB controllers in Device Manager.
5. Test on another computer.
2. Check Disk Management (diskmgmt.msc) for the drive.
3. If it shows as unallocated, you may need to initialize or format (backup data first).
4. Update USB controllers in Device Manager.
5. Test on another computer.
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