Microsoft Windows Error Code 0x8007001A: How to Fix It
Medium 1-3 hours (including CHKDSK scan) Medium Severity
Verified June 2026
- Error Code
- 0x8007001A
- Brand
- Microsoft Windows
- Product Type
- hresult
- Severity
- Medium
- DIY Difficulty
- Medium
- Estimated Fix Time
- 1-3 hours (including CHKDSK scan)
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Tools You'll Need
- Administrator access
- Data recovery software (optional)
How to Fix Error Code 0x8007001A
-
Run Check Disk (CHKDSK)
This process can take hours on large drives. Do not interrupt it. -
Use SFC and DISM to Repair System Files
-
Format the Drive (as Last Resort)
Formatting erases all data. Back up first if possible. -
Test with Disk Management
-
Use Data Recovery Software
Do not write new data to the drive until recovery is complete.
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When to Call a Professional
If CHKDSK fails and you need data recovery from a physically failing drive, consult a professional data recovery service. Also, if the error occurs on a system drive and prevents Windows from booting, consider professional repair.Frequently Asked Questions
What does error 0x8007001A mean?
It means Windows cannot read the disk's format, often due to corruption or bad sectors.
Can I fix error 0x8007001A without losing data?
Yes, try CHKDSK and data recovery software first. Formatting should be the last resort.
Will CHKDSK damage my hard drive?
No, CHKDSK is safe and designed to repair file system issues. It may take time but does not harm hardware.
What if the error is on an external drive?
Follow same steps; just replace the drive letter. Also check USB connection and try a different port.
How do I prevent this error in the future?
Regularly back up your data, safely eject external drives, and run periodic disk checks.