btareal.blogg.se - About time machine for mac

If you select a differently formatted drive for use with Time Machine, your Mac automatically prompts you to erase it for Time Machine. Time Machine requires that an external drive be formatted like a Mac startup disk: Mac OS Extended (Journaled) with a GUID Partition Table (GPT).

If you're backing up to an external drive, check the formatting of the drive.If you're backing up to an external third-party drive, check with the drive manufacturer to make sure the drive's firmware is up to date.If you're using a USB hub or a similar device, try connecting the drive directly to your Mac or base station.If you're using a drive connected to a port on your Mac or AirPort Extreme Base Station, make sure that the drive is turned on.If Time Machine finds an issue with your backup, it displays a message with details.While holding down the Option key on your keyboard, click the Time Machine menu in the menu bar, then choose Verify Backups.If you back up to a server, AirPort Time Capsule, or drive connected to your AirPort Extreme Base Station, make sure that your current Time Machine backup doesn't have any issues that could prevent further backups: You can select your wireless network from the Wi-Fi status menu.

If you back up to a server, AirPort Time Capsule, or drive connected to your AirPort Extreme Base Station, make sure that your Mac is connected to the same network as your backup drive. To restart, unplug the base station from AC power for 5 seconds, then plug it back in.

Restart your base station and see if the issue continues.

If you're using an AirPort Time Capsule or a drive connected to an AirPort Extreme Base Station, make sure that your AirPort firmware is up to date.

Restart your Mac and see if the issue continues.

Make sure that your Mac software is up to date.

External hard drive connected to the USB port of an AirPort Extreme Base Station (802.11ac) on your network.

Time Capsule or macOS Server on your network.

External hard drive connected to a USB, FireWire, or Thunderbolt port on your Mac.

According to Apple's official instructions ( ), when you have a problem with Time Machine, check these things if you see an alert that Time Machine is unable to back up your data, or if you can't select your backup disk in Time Machine preferences. One phenomenon to get Time Machine backup failed is that you can't back up or access an existing Time Machine backup, or restore from an earlier backup won't work. Can't Backup or Restore Your Mac Using Time Machine Full stepsĭownload software to recover missing backups > repair unrecognized. Full stepsĬreate a new backup > restart Time Machine > repair with terminal command. Check Time Machine system requirements > check your Mac.