Backup Failed I/o Device Error
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The Request Could Not Be Performed Because Of An I/o Device Error 0x8007045d
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Windows Backup Error 0x8078002a
only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Windows 7 backup to 3TB Seagate external drive http://answers.microsoft.com/en-us/windows/forum/windows_7-performance/i-have-tried-to-backup-my-hard-drive-but-half-way/0fd063df-37bd-451f-940e-df1a9455216c got 0x8078002A error up vote 11 down vote favorite 3 I'm using the Windows 7 backup and restore utility to create a system image and personal file backup to an external Seagate GoFlex 3TB disk. I got the following error: One of the backup files could not be created. Details: The request could not be performed because of an I/O device error. Error code: 0x8078002A I searched all over the internet and found these two related http://superuser.com/questions/491922/windows-7-backup-to-3tb-seagate-external-drive-got-0x8078002a-error discussions (discussion 1 and discussion 2). Note the 1st discussion is for a Western Digital drive, which seem to have a solution with the WD Quick Formatter tool. But I downloaded that software and it cannot detect my Seagate drive. The 2nd discussion is directly relevant but it does not offer a solution. I've spent days on this and am at a loss... Please help if you know what to do to make it work! Thank you! windows-7 backup external-hard-drive share|improve this question edited Apr 15 at 20:49 fixer1234 10.9k122949 asked Oct 24 '12 at 2:25 Zhang18 233128 migrated from serverfault.com Oct 24 '12 at 2:39 This question came from our site for system and network administrators. Did you try installing the Windows hotfix, deleting all partitions on the drive and creating a GPT partition? –Karan Oct 24 '12 at 19:08 add a comment| 2 Answers 2 active oldest votes up vote 7 down vote accepted Here is the official answer from Seagate support. Hopefully this sheds some light. One word of caution. There are various online complaints about DiscWizard and my experience with it hasn't been very good either (eg. backup has to be on an entire drive/partition, instead of some folder; the included DriveCleanser doesn't actually do anything). Thank you for contacting Seagate Support. I am sorry for any inconvenienc
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