![]() Note that formatting your hard drive to Factory Default will cause it not recognizable in Windows XP and all the data on it wiped out, so backup hard disk if there is valuable data on it. Format to factory defaultįormat your hard disk drive to Factory Default with WD Quick Formatter tool and retry. You can also use third party software to resize partition without data loss. Then follow the pop out Shrink Volume wizard to process. In Disk Management, Right-click the partition you want to shrink, and click Shrink Volume. Shrink or extend the partition to carry the last cluster to another location and run the “chkdsk” command again. After the process is finished, reboot and retry the backup task. “X” represents the drive letter of the partition you want to check, “/f” represents the command to fix errors and “/r” to locate bad sectors and recover readable information.ģ. At the pop out command prompt, type in the following command “chkdsk X: /f /r” and press Enter. Rress “Win+R” and type “cmd” in the box and press Enter. This way will reduce the impact of third-party applications to a minimum. If the I/O device error persists, you can boot your computer into safe mode to try the backup again. You may also need to disable antivirus software temporarily. You can close all the other non-system processes. Some security applications may prevent the backup utility from accessing the hard drive. You may try one or more steps to get the hard drive I/O device error fix, Close other software If you backup to a large drive that has a 4K sector size, rather than 512 bytes sector size, often used in HDDs smaller than 2T, you may get this i/o error 0x8007045d for the backup and restore tool on some old Windows versions is with standard file format relying on 512-byte sectors.If the error received when the backup is about to finish, the last cluster on the volume may have gone bad.If the error received when the backup has been in process for a while, there should be bad sectors on the backup source disk or destination disk.Both error codes 2147943517, in decimal, and 0x8007045D, in hexadecimal, represent the same I/O device error.The request could not be performed because of an I/O device error (0x8007045D) or (2147943517).One of the backup files could not be created.When performing a backup to external hard drive on Windows Server 2003/2008/2012 (R2)/SBS 2003/2008/2011 or Windows 10/8.1/8/7/XP/Vista, you may encounter the following error messages: ![]()
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