Q: I recently purchased a used third-generation iPod nano. I do not have a manual for it. I’m using Windows 7 on my PC with iTunes 11 and Firefox 19. When I try to eject the nano, I get a message that it can’t be ejected because a file is in use. I have found that if I close Firefox it will then let me eject. Do you know if this is a nano, iTunes, Firefox, or Windows problem? It can be annoying if I have something up on Firefox that I need, but I want to eject the nano.

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– Dave

A: The reason this is happening is because the traditional iPod models such as the iPod nano actually get mounted on your computer as a removable storage device, in much the same way as a USB memory key or external hard drive.

This means that Windows will actually assign a drive letter to your iPod nano while it is connected. Which letter gets assigned depends on your specific configuration, but it’s usually something like E: or F:. If you go into Windows Explorer while your iPod nano is connected, you should see it listed there as a removable storage device.

iTunes actually uses this connection to copy your music to your iPod nano and update the appropriate database files. If you’re using automatic sync and do not have “disk use” enabled, iTunes should normally eject your iPod automatically as soon as it is finished syncing, so you would normally rarely notice it appearing in Windows Explorer in this case. If you’re managing the content on the iPod manually or have chosen to enable “disk use” in order to store other files on the iPod nano, iTunes leaves it connected until you eject it manually.

What is most likely happening with Firefox in your case is that for whatever reason it is trying to access or open files on whichever drive letter is assigned to your iPod nano. As with any removable storage device, Windows prevents the iPod nano from being ejected when there are open files to protect against the possibility of corrupted data. Under normal circumstances, Firefox shouldn’t actually be doing this, unless you’ve at some point used it to access information on that particular drive letter. It’s also possible that certain plug-ins may have an impact, so you may want to try disabling some of these to see if that helps.

You can also try switching the drive letter that gets assigned to your iPod nano. You can do this by going into your Control Panel, selecting System and Security and then choosing the option to Create and format hard disk partitions near the bottom of that control panel window.

 

From here you can right-click on the drive letter representing your iPod nano and choose the option to Change Drive Letter and Paths to assign a new drive letter to your device. If something in Firefox is pointing to your iPod nano by a specific drive letter, this should help to clear up the problem and allow you to eject it even while Firefox is still running.

If assigning a new drive letter does not solve the problem, then you will need to take another look at your Firefox plug-ins or any anti-virus software you have installed that may be scanning all of the drives on your computer, and add an exception for the drive letter that gets assigned to your iPod nano to prevent other processes from opening files on your device when it is connected.

 

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