OS X Mountain Lion: Time Machine problems
If you have trouble with Time Machine, the information here may help.
| You see a message that Time Machine must create a new backup |
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| Refer to this topic: |
| The backup disk is unavailable or can’t be found or “mounted” |
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| Refer to these topics: If Time Machine can’t find your backup disk If you need a password to unlock your backup disk Apple Support article: Time Capsule: Time Machine backups do not mount |
| An incomplete, interrupted, or failed backup occurred |
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| Refer to these topics: If a Time Machine backup is interrupted If Time Machine doesn’t back up certain files Apple Support article: Time Machine stops backing up to external disk |
| You can’t find an item you backed up |
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| Time Machine is slow or seems stuck |
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| General troubleshooting |
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| Make sure your backup disk is plugged in, turned on, and securely connected to your Mac. If your backup disk is on a network, make sure both the disk and your Mac are connected to the network. If the network is experiencing problems, your backup disk may not be available. Download and install all recent updates to OS X. If you have a Time Capsule, update it with the latest software and firmware. |
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