(For driver updates, see our Mac Nvidia Drivers Download page) Mac Video Cards, Benchmarks & Display Related Articles Mac Video related Upgrades, Tips and Repairs So, simply erase and format - you can find instructions in the Help section (menu bar) in Disk Utility.Mac Video Cards, Displays/TVs, and Video Related Articles - Sponsor Ad. It also seems easier to format an external drive rather than creating a partition on the internal drive - remember that you do not need any software or drivers on that drive. You can find instructions for creating clones on the CCC website - it is really quite easy to do. You can boot into it and try it and you can boot back into your regular system any time. That way, you'll have exactly what you'd have on your regular drive.

Once you have the clone done, boot into it and download/install the upgrade. If it's external, make sure you format it Mac OS Extended (Journaled) and GUID Partition Scheme so it's bootable (you do that in Disk Utility in Applications > Utilities.Īfter you create your partition, you can either download Sierra and simply direct the installer to install it on that drive (rather than your regular hard drive) or, if you want an exact copy of your system to install the upgrade on, then you can use either CarbonCop圜loner or SuperDuper to clone your current system to the new partition or external drive.

In order to do that, you will need to either create a partition on your internal drive or get an external hard drive.

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