Windows 7 backup failure

I get error messages (see below) when attempting backup to external HD. How to cure? I'm guessing the I/O device cited is not the external drive since I am able to read files from this drive. 

TIA for any assistance.

***Post moved by the moderator to the appropriate forum category.***

 

Question Info


Last updated October 9, 2019 Views 1,355 Applies to:

* Please try a lower page number.

* Please enter only numbers.

* Please try a lower page number.

* Please enter only numbers.

Hi,

We'd like to verify a few things in order for us to assist you effectively. Kindly confirm the following:

  • Were there any recent changes made to your computer prior to the issue? (Windows update, software or hardware installation?
  • Can you access the said drive through Device and/or Disk Management?
  • Do you have the latest firmware update of your external drive? If it's outdated, it can reflect the performance of your drive.

Let us know.

1 person was helped by this reply

·

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

changes: Last year Outlook failed and the OS was reinstalled. I restored most things using a previously configured backup. Setting up auto-backups has been neglected 'til now.

access: Device manager reports the drive is working properly. I was able to rename a folder on this drive. Can I assume this verifies write access?

update: I was not aware a USB drive needed updates. I checked and message is driver is up to date.

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

Safely remove your external hard drive and then reconnect it again to reset their connection. Sometimes, a simple reset will can be the solution.

If that didn't resolve the issue, we suggest you run the Checkdsk.exe tool on the drives that you wanted to be backed up, and on the backup location.

1. Click Start.

2. Type cmd in the Start Search box

3. Right-click cmd.exe in the Programs list, and then click
Run as administrator. Enter administrator password if prompted, or click on Continue.

4. At a command prompt, type the following command, and then press ENTER:

Chkdsk /R X:

Note: In this command, X: is a placeholder that represents the drive letter of the volume that you want to check.

5. Press Y when you are prompted to check the disk the next time that the system restarts.

6. Close all applications, and then restart the computer.

7. After restarting your computer,  repeat steps 1 through 4 for the other volume, and then rerun the backup operation.

Let us know how this turned out for you.

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

Removing and reconnecting the external drive didn't help. I've started chkdsk on the external drive. Given the apparent speed of the test and the number of files to invilved,  approximately 24K files per hour, this is going to take MANY HOURS. I'll check back when chkdsk has run.

Thanks for the guidance.

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

p.s. Switched removal policy to "better performance"

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

chkdsk ran on external drive. I did not get a prompt to check on restart.

I did get a check on restart on c: drive. 

Attempted backup again and got same (original) message - "One of the backup files could not be created due to an I/O device error.

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

Start your Windows in Safe Mode. If this makes the problem go away and you are able to carry out your operation then it indicates that some third-party application may be interfering and causing the issue.

Restart your computer in Clean Boot State and try to identify the offending item, and then disable or remove it.

If the above didn't help, disable your antivirus software temporarily and see if it makes the problem go away. Some security software are known to cause these issues sometimes.

Let us know how that went.

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

Restarted in safe mode. I could not get backup to even start. It's the first option shown in the search box but clicking on it does nothing, as if I'm being ignored.

Restarted in normal mode. Temporarily disabled AV (ESET) and started backup. While watching progress meter I noticed the backup aborts a little more than half way through. AV was disabled for ten minutes. Trying again with AV disabled for one hour.

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

If the backup still fails, and you receive the 0x8007045D error at the very end of the backup process when it is around 99% complete, you can refer to this article and follow the advanced troubleshooting.

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

My error was not the one named xxx045D. The one time I happened to be watching the progress bar, the backup aborted at just slightly more than halfway through. Here's a shot of my error message.

After some more reading, I tried the backup with the system image files excluded. This effort (finally!) succeeded, albeit with yet another error.

The skipped files were revealed as :

I don't know what this means. I don't even know if it's important.

I did a search on the 80878002A error and it appears it is not uncommon. One fix offered is to run a third-party backup instead of using Microsoft's, Macrium was suggested.

I downloaded this and tried to set it up but it asks a lot of questions I don't know the answers to.

For now, just having the data files saved will do - that was my main goal in the first place.

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

* Please try a lower page number.

* Please enter only numbers.

* Please try a lower page number.

* Please enter only numbers.