Try again after each step
- Make sure that you have the latest version of iTunes.
- Connect your device to your computer with a USB cable, then select your device in iTunes. If your device doesn’t appear in iTunes, you need to fix that issue before you can continue. Or, if you forgot your passcode or your device is disabled, learn what to do.
- Turn off both your computer and your iPhone, iPad, or iPod touch. Then turn them on again.
- If you use a Mac, skip this step. If you use a Windows PC and iTunes won’t respond or your backup never finishes, you might need to update, change, disable, or uninstall your security software.
- If you own more than one computer, try to make a backup on your other Mac or PC. Or, use iCloud to back up your device and restore from your iCloud backup.
- If you see an alert that says an error occurred, your backup is corrupt or incompatible, or there’s not enough disk space, find your error message below to learn what to do next.
If an alert says there’s not enough disk space
If a message says there’s not enough disk space when you try to back up your device, free some space on your Mac or PC. If you still see a disk-space error after you free enough space, contact Apple Support.
If an alert says that your backup is corrupt or incompatible
If iTunes can’t restore from a backup because the backup is corrupt or incompatible, you won’t be able to use that backup.
Mac Service Dallas
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