To see the size of a specific file or folder, click it once and then press Command-I. To see storage information about your Mac, click the Apple menu in the top-left of your screen.
Choose About This Mac and click the Storage tab. For Time Machine backups, it's good to use a drive that has at least twice the storage capacity of your Mac. This isn't a backup, but it includes new tools to make it easier to find and remove large or unwanted files before you make a backup.
You can use Disk Utility if you need to erase or format a storage device. Get help by chat, phone, or email. You can also set up a repair or make a Genius Bar appointment.
Back up your Mac Backing up your Mac is simple and important. Create a backup.
Back up your Mac
If you do own it, think before you rip. Picture this scenario: You remove the DVD only to find it scratched and just a little bit sticky from the jam-covered fingers that last handled it. Sound familiar? Pick a name and destination, and click Save. That disc image contains an exact copy of your DVD, which you can backup on an external hard drive for later use.
This is about preserving G for a migration to Lion. I do not need to save my system data because there is nothing worth saving yet and Lion should be replacing everything. The external HD gets put on a shelf for a long time after this upgrade. Which would you choose? Look all I want is a way to save my data on cheap media.
Why does everyone want me to waste my money? Do not trust cheap media.
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You are likely to find that your first DVDs are bad before you finish burning the last. I am not kidding. I have a stack of Dynex DVDs and about half of them show errors during burning. If you use cheap media you absolutely must make more than one copy of each DVD!! For what it's worth I am with the group saying save your money and get an external hard drive which will last years for backing up and you can start it with 5 minutes effort and come back an hour later and it is done.
Doing the same with DVDs, especially properly with multiple copies, will take hours of sitting there and feeding them in every 10 minutes for a half day at least. Longer if you use cheap media.
How to back up your Mac - Official Apple Support
You should also be thinking long-term. Your hard drive could fail at any time. Depending upon how much you value your files and how often you change them, you should probably consider backing up at least once a week. Doing an incremental backup with DVDs is something only for the super organized who can figure out what needs backing up and what hasn't changed.
Either that or it's pencil in your Sunday afternoons for the rest of the year for your DVD burning sessions. With a hard drive you can probably do an incremental backup in less than half an hour, and most of that time can be spent not sitting in front of the computer. How do I backup my hard drive to dvd's? More Less. Communities Contact Support. Sign in.
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Alternatives for backing up your Mac
See these for details: Reply Helpful Thread reply - more options Link to this Post. Your going to be spending boatloads of money to upgrade programs for All almost effortless, software does all the work. If you had a small amount of files, then sure backing them up with DVD's could work.
Most commonly used backup methods Also if you plan to get a cheaper Windows PC one day, instead of the overpriced Mac's which they are, then you need to learn about drive formats so you can transfer your files to one later. Ziatron Ziatron. Mac OS X Speciality level out of ten: If my DVD player were to suddenly burst into flames, I would lose exactly one movie.