No matter what method of installation you plan to use with OS X Mountain Lion, first, make sure the target drive is sound , free of errors, and unlikely to fail anytime soon. Here's how to do a quick check on your startup drive:. Open Disk Utility from the Utilities folder in Applications. Click your drive in the left pane. Click First Aid. Select Run in the window that appears. A message may appear telling you that your drive will lock while Disk Utility checks it.
Read the warning and click Continue. First Aid runs and reports any issues it finds. Individuals who are in a hurry to update to a new OS often forget to back up first. It doesn't matter what backup method you choose. Some popular options are Time Machine , your favorite third-party backup application , or a clone of your startup drive and all of its data. The important thing is to have a current backup in case anything goes wrong during or after the installation. Delaying the installation for a few minutes to perform a backup is better than recreating your data because the power went out during the installation process.
You can also install the OS on a non-startup drive. Unlike this process, which requires you to create bootable media first, there are no special techniques required for a clean install on a non-startup drive. Because the target is the startup drive, you have to erase the drive first, which erases the OS X Mountain Lion installer. To avoid this catch, create a bootable copy of the installer and then use it to install the OS on the blank drive.
This optional step creates a bootable copy of the Mountain Lion installer. With it, you can perform a clean install of Mountain Lion on your Mac's startup drive, as well as boot from and run Disk Utility and other emergency tools. Actively scan device characteristics for identification. Use precise geolocation data. Select personalised content. Create a personalised content profile. Measure ad performance. Select basic ads. Create a personalised ads profile. Select personalised ads.
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Here's how the hardware differs and what you get for your money. AirPods as a whole have earned their status as the most popular true wireless earbuds, and the AirPods 3 brings more new features, but they fit in a strange spot in the Apple and Beats lineup.
Here's how it compares to Apple's Intel-based Mac Pro tower, and why folks that rely on that machine may need to consider the laptop as a viable upgrade. Apple has launched the latest update to the AirPods line, with the third-generation model offering Spatial Audio support alongside design refinements. Here's how the new personal audio accessories fare compared against its predecessor, the second-generation AirPods.
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Toggle navigation. AAPL: Related Articles. Best Apple Watch deals Save on the new Series 7. Latest News. By Andrew O'Hara 13 hours ago. How to make your Apple Watch battery last longer 14 hours ago. How to make your Apple Watch battery last longer If you're having issues with your Apple Watch's ability to make it through the day, we've got a helpful guide that can show you how to extend your Apple Watch battery life.
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