To start the conversation again, simply ask a new question. Hello All, Sieerra like to hear from those of you running this vintage or close to it iMac and High Sierra. I haven't installed High Sierra yet and am wondering how it will run on this iMac. I am currently running High Sierra doesn't seem to be getting the normal "push" to this Mac from Apple as other recent OS upgrades have and I'm wondering if that because of the age of my iMac or if it's due to something else. Posted on Oct 17, AM. Page content loaded.

Upgrade Mac OS: How to Upgrade to macOS High Sierra

High Sierra on iMac - Apple Community

How to Upgrade Mac to macOS High Sierra -

MacOS Some features, such as High Efficiency Video Coding HEVC encoding and decoding require newer processors and devices, some of which unfortunately cannot run on older devices.

No matter which way you choose, always remember to back up your data before performing an upgrade. Apple has its own official backup tool: Time Machine.

This feature was released in OS X If you have never backed up, let me tell you how important it is. Back up everything on your Mac directly to your hard drive, in case the Mac cannot upgrade properly.

Upgrade Mac OS: How to Upgrade to macOS High Sierra

As long as the disk is available to your Mac, you can use it for Time Machine backups. You can choose hourly, daily or weekly backup to store your data on the external hard drive. When the external device is full, Time Machine will delete the oldest backup and replace it with the newer version.

If you want to restore files from Time Machine, make sure your Mac is running.

High Sierra on iMac - Apple Community

You will need a copy of macOS High Sierra to perform a clean installation later. Allow installation to complete Please allow installation to complete without putting your Mac to sleep or closing its lid. Yes No. Character limit: Maximum character limit is Start a Discussion in Apple Support Communities.

How to Upgrade Mac to macOS High Sierra -

Ask other users about this article. I am fine with it. It seems most agree not to convert them. Is that the case? Jan 6, PM.

Jan 07,  · Question: Q: High Sierra on iMac. I installed in on a Mac Pro and I've been using it at work for Web and Design and 3D work - the benefit of being in IT is I get to test a lot more than I have to fix things. High Sierra is an upgrade, not an . Oct 07,  · MacBook Pro introduced in mid or later Mac mini introduced in mid or later iMac introduced in late or later Mac Pro introduced in mid or later. To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu. If your Mac isn't compatible with macOS High Sierra, the installer will. Oct 06,  · Should you upgrade your Mac to macOS Catalina? iMac Pro () Mac Pro (Late , plus mid and mid models with recommended Metal-capable GPU) If your Mac is older than any of the models listed above, it isn't compatible with macOS Catalina. If you are using apps that, in a former OS (High Sierra or older), you were able to Author: Lory Gil.

I went ahead and converted to High Sierra the 1st week in November and have noticed no difference in performance or file structure, or anything, for that matter. However, I do not have an SSD, internal or external but understand that they were what the new file system is intended for.

My external shpuld, a 4 TB Time Machine drive, continues to operate fine. I'd be inclined not to convert external SSDs for the time being. Jan 7, PM. Communities Contact Support.

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All replies Drop Down menu. Loading page content. Oct 17, AM in response to pokey b In response to pokey b if you were running Sierra beforehand it should not be much different.