I have a iMac with a hard drive of 1TB. Used 536 GB. It has an external hard drive of 1TB with Time Machine and the normal copies. The computer had a problem that did not afected the hard drive and has been 2 months to repair.
Now the iMac works well and I connect the external hard drive of 1TB for the Time Machine back up and it says that there is no space. It says "it needs 528 GB"
I do not undestand. Does it mean that it does not recognize the copy made 2 months ago? if I have 536GB used, isn't 1TB in the external drive enough ?
Best Answer
http://pondini.org has massive amounts of info on troubleshooting Time Machine. In particular, "Reconnecting" to your backups may answer your question.