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Comment from ric on 2011-03-03

2011-03-04T06:06:50Z

It's possible the middle of the file was written in a bad sector.

I have several 26GB avi files. I was able to copy all of them -- except one. The integrity of the file seemed ok. This movie file plays, but in the middle portion, it staggers. Sometimes it hangs, sometimes it just stalls for a moment then continues.

When copying, it starts out well, but I get the I/O device error in the middle of the process, and the operation fails.

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Comment from BryanL on 2009-11-23

2009-11-23T17:33:26Z

I have over 700 photo-files (jpg 1.5mb average)to move from one computer to another. Several come up with this problem. Different size/makes of USB stick have been used, to no avail. All the photos send or copy to CD or DVD, but will not transfer from there either to a USB stick! I have a 7 year old laptop and a 3 year old desktop, both running XP-3. These files were shot on different cameras, but shots taken within minutes of each other copy OK or fail. I can't see any reason for this; it's always the same ones, indicating a faulty file. Yet they open in any viewing program, and transfer to optical media!

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Comment from Dave Edwards on 2009-08-19

2009-08-19T13:36:50Z

I was having the exact same error on my relativly new 4gig flash drive....but only on the one computer! It performed perfectly on any other computer i care to insert it into. And i tried all my usb ports on my pc and hub.
There is loads of stuff about this on Google, i ran some of it on my pc and now all is well. Not a thing wrong with the flash drive.

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Comment from Joao on 2009-08-18

2009-08-18T23:18:57Z

There is another scenario: I have had this problem with more than one DELL computer. The CD or DVD drive returns this kind of error and will not let me copy info from a CD or DVD... but when I use another CD/DVD (have a couple of external ones) the CDs, DVDs, images, docs, etc., all copy without ANY problem whatsoever. I never had any problems with flash drives... Also, there are programs out there (I think one is called CopyAnyWay or something like that) that will attempt to copy a file, disk, etc., regardless of any errors in the file(s) and sometimes will let you open the file after it is on your HDD. I have had limited success with those. My choice is SpinRite. Have been using it for years and works like a charm --- although it is not easy to use for people who are not tech inclined (or at least adventurous...)

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Comment from Walter Duczeminski on 2009-08-18

2009-08-18T15:23:41Z

I was getting an I/O Error when trying to copy photos from one computer to another.....The problem appeared to be in a USB hub (D-Link in my case). I plugged the flash drive directly into the computer and everything transferred. Whatever, the D-Link works for everything else....what can I say.

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Comment from Gigi on 2009-08-18

2009-08-18T15:18:03Z

I/O error means that the PC cannot interface with the device due to a hardware error. So either the USB socket was defective or the stick is dead and gone.
If it gives the same error when plugged in another pc then the stick and it's data are irretrievably gone.
Next time make sure you have a backup.

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