While trying to update or recover iPod, you might receive the below error message:
“Firmware update failure. Disk write error”
This error message suggests that iTunes cannot read/write any information from/to iPod.
Cause
Possible reasons for this error message are:
- You are using an outdated version of Windows or Mac OS X operating system
- You computer is not updated
- You are using some software that are interfering with iTunes
- One or more music files are damaged
- If you are using Windows, unregistered .dll files could be the issue
- Damaged iPod photo cache
- Connection is lost
- Damaged or incompatible hardware
- iPod disk structure is damaged
Solution
Try resolving this issue using these steps:
- Make sure that you have installed all latest updates of your Windows or Mac OS X operating system, including device connections updates
- Ensure that you have the latest updates available for your computer
- Try uninstalling any software and disabling add-ons that might be interfering with iTunes
- Check for damaged music files and delete them
- Register the unregistered .dll files, if any
- Delete the corrupted iPod photo cache
- Check the system for valid connection