Microsoft Windows Error Code 0x80070015: How to Fix It

Easy 15-30 minutes Medium Severity Verified June 2026
Error Code
0x80070015
Brand
Microsoft Windows
Product Type
hresult
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
15-30 minutes
Error code 0x80070015 means Windows cannot access a storage device (like a USB drive, external hard drive, or internal disk) because the device is not ready. This often happens due to driver issues, outdated Windows updates, or hardware connection problems. Follow these steps to resolve it.
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Tools You'll Need

How to Fix Error Code 0x80070015

  1. Restart Your PC and Reconnect the Device

  2. Update or Reinstall Device Drivers

    Do not uninstall system-critical drives like the main hard drive.
  3. Run Windows Update

  4. Check Disk for Errors Using CHKDSK

    The drive will be temporarily unavailable during the scan.
  5. Run Hardware and Devices Troubleshooter

  6. Check USB or External Drive Connections

  7. Test the Device on Another Computer

    Back up important data on the device before further testing.
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When to Call a Professional

If none of the steps work and the device is inaccessible, or if you suspect hardware failure (like a dead hard drive), consult a professional data recovery service or replace the device.

Frequently Asked Questions

What does error 0x80070015 mean on Windows?
It means Windows cannot access a storage device because the device is not ready — typically due to a driver issue, outdated software, or hardware connection problem.
How do I fix error 0x80070015 when copying files?
Try the steps above: restart, update drivers, run CHKDSK, and check USB ports. Often a simple driver update or reboot resolves it.
Can error 0x80070015 be caused by a bad USB port?
Yes. A faulty USB port or cable can prevent Windows from recognizing the device, causing this error. Try a different port or cable.
Is there a way to prevent error 0x80070015 in the future?
Keep Windows and drivers updated, safely eject external drives before removing them, and avoid using damaged cables or ports.
Should I buy a new device if I get this error?
Not immediately. First, test the device on another computer. If it works, the issue is with your PC. If it fails on multiple systems, the device may need replacement.