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0x8007045DSystemHigh

Error 0x8007045D — I/O Device Error (ERROR_IO_DEVICE) | Windows System Error Fix

Windows 11Windows 10Windows 8.1Windows 7

What Does 0x8007045D Mean?

The request could not be performed because of an I/O device error.

Real-World Causes

  1. 1Failing hard drive or SSD
  2. 2Damaged USB cable or port
  3. 3Scratched or unreadable CD/DVD
  4. 4Bad sectors on the storage device
  5. 5Incompatible or outdated storage driver

Symptoms

  • ⚠Cannot read from or write to a storage device
  • ⚠File copy operations fail
  • ⚠Disk access becomes extremely slow
  • ⚠External drives are not accessible

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Try a different USB cable and port for external drives
  2. 2Run 'chkdsk X: /r' on the affected drive
  3. 3Clean CDs/DVDs and try again
  4. 4Update storage controller drivers

Advanced Fix

For experienced users and IT professionals

  1. 1Check drive SMART health with CrystalDiskInfo
  2. 2Test the drive with manufacturer diagnostic tools
  3. 3Clone failing drives immediately before they fail completely

Frequently Asked Questions

Can I fix an I/O device error on an external hard drive?
Try a different USB cable and port first — this is the most common fix. If that does not help, run chkdsk on the drive. If the drive is clicking or making unusual sounds, stop using it and consult a data recovery service.

Related Error Codes

0x8007001FGeneral Failure (ERROR_GEN_FAILURE)0x80070017CRC Error (ERROR_CRC)

About the Author

Windows Troubleshooting Team

Verified against official Microsoft documentation and real-world diagnostic data. Error behavior confirmed across Windows 10, Windows 11, and Windows Server.