80 Macworld • December 2019FEATURE
reinstalling macOS. You can deauthorize all
computers associated with an iTunes account,
however, and then log back into just the computers
you want to keep in the set. You can only
deauthorize all computers twice a year.Getting Time Capsule failure
warnings? Here’s what you can do
Apple no longer sells its Time Capsule, a
combination of a backup drive, Time Machine, and
an AirPort Extreme Base Station. However, many
are in use, and some components inevitably fail,
especially the internal hard drive.
If you receive an error on a Mac using the Time
Capsule for Time Machine backups that you can no
longer back up to it, you can try to work your way
out of the problem by using AirPort Utility.
Warning! This approach erases all the backup
snapshots stored on your Time Capsule. There may
be no way to recover them – hence the error – but
you should perform full Time Machine backups or
disk clones of all devices that used the Time Capsule
for archiving files, as well as trying Step 4 below.1.Launch AirPort Utility and connect to your
TimeCapsule.
2.ClicktheDiskstab.
3.Select the internal Time Capsule disk. If it
doesn’t appear – well, that’s a problem and
jumpbelow.
4.If the Archive Disk button is available, you can
attach an external drive to the Time Capsule with