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- Your Mac's Specs
- iPhone 4S iPod Nano 6th Gen MacBook Pro (2011) -OS: OS X v.10.6.8 -Processor: 2.3 GHz Intel Core i5
Hi All. I'll try to be concise.
13" Macbook Pro early 2011.
OS = 10.9.5.
Trying to backup 1TB internal hardrive on 1TB external hardrive. Never had any trouble until recently. I only have 1 previous backup saved on my external and that was from Dec. 2014.
On my internal, I'm only using 493 GB of 1TB. When I try to back up, the "Preparing Backup" takes forever and then it eventually says it failed. See photo below.
How are only 348Gb available on my external and why would it require 458Gb to successfully backup? Is this due to older files that may have been stored on my Mac at one time but no longer there? [At one point, the internal HD was almost full with media that's since been transferred to a stacked external HD for work].
Do I need to have an external HD that's larger than my internal HD to appropriately back up my computer? If so, what size would be appropriate? 2TB?
Happy to provide more details if that helps. Thanks for any advice.
13" Macbook Pro early 2011.
OS = 10.9.5.
Trying to backup 1TB internal hardrive on 1TB external hardrive. Never had any trouble until recently. I only have 1 previous backup saved on my external and that was from Dec. 2014.
On my internal, I'm only using 493 GB of 1TB. When I try to back up, the "Preparing Backup" takes forever and then it eventually says it failed. See photo below.
How are only 348Gb available on my external and why would it require 458Gb to successfully backup? Is this due to older files that may have been stored on my Mac at one time but no longer there? [At one point, the internal HD was almost full with media that's since been transferred to a stacked external HD for work].
Do I need to have an external HD that's larger than my internal HD to appropriately back up my computer? If so, what size would be appropriate? 2TB?
Happy to provide more details if that helps. Thanks for any advice.
