Step 2: Choose the USB drive on the start-up drive selection screen and hit Enter/Return on the keyboard. As soon as the start-up chime plays, press the Option key (Alt). Step 1: Ensure the bootable USB flash drive is plugged into your Mac and restart the computer.
#How to use mac os yosemite on a macbook how to
How to Clean Install OS X Yosemite on Your Mac The OS X Yosemite bootable USB flash drive will be ready for use and you can start the clean installation process. Once the process completes, you will see the message " Copy Complete.
Do not interrupt the Terminal or eject the flash drive during the process. This will create the bootable USB flash drive.You can do this by using the Time Machine feature in Mac OS X, or third-party software such as Carbon Copy Cloner.Ĭ) Create a bootable USB flash drive with a storage size of at least 8GB.ĭ) Download OS X 10.10 Yosemite Final from the Mac App Store and save it to the Applications folder – its default location. MacBook (Late 2008 Aluminium, or Early 2009 or newer)ī) Back up important data and settings (photos, videos, music files, documents and the like) on your Mac to an external hard drive.Supported OS X Yosemite devices and first stepsĪ) Ensure your Mac is compatible with OS X Yosemite. Apple macOS Sierra: How to reinstall the Mac operating systemīefore we begin the detailed process of clean installing OS X Yosemite on Macs, there are a few things you'll need to do first.Beam me up: Nasa to use lasers for next-generation 'broadband internet' speeds in space.What is wireless charging and how does it work?.
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