Mac OS users who are already running Mavericks on their desktop computers are now eligible for free upgrade to OS X 10.10 – Yosemite.
Those who are facing performance issues with direct upgrade via App store or installing OS X for the first time on their Macs can follow a simple step-by-step guide to perform a clean install of Yosemite using Disk Utility.
Before we delve into the detailed process of clean installing OS X Yosemite on Macs, there are a few things that need to be taken care of.
Prerequisites
a) Ensure your Mac is compatible with OS X Yosemite. These are the supported devices:
OS X Yosemite Installer. Official OS X Yosemite Installer from the Mac App Store. Un-archive the zip archive and you will get the app Installer. A bootable ISO or bootable USB can be made from this installer. Instructions on how to do that are on the Internet/Youtube. NOTE: If you get a damaged message when launching, no need to worry. Os X Yosemite 10.10.2 Bootable Usb Dmg File Software; Bootable Usb Rufus; OS X Yosemite download 10.10.1 released on November 2014 with a number of updates after the previous original Yosemite version 10.10 release. The Yosemite 10.10.1 was the most flexible operating system for the time being for Macintosh computers. Update 09/2015: For help creating a bootable USB install drive for OS X El Capitan, click here. Apple released the latest and greatest Mac operating system last month in the form of OS X Yosemite. And like the previous versions of OS X dating back to OS X 10.7, Yosemite is only available for install via download from the Mac App Store. Boot Disk utility Download Here; TransMac Download Here; Paragon Hardisk Manager Free Edition Download Here; USB Flash Drive 8Gb Get one on Amazon here: (For El Capitan need a 16GB USB Stick) Mac OS Installer retail Version of Yosemite, El Capitan or Mac OS Sierra, choose one you desire to make the bootable USB. (How To) Make A Bootable OS X Yosemite USB On WindowsEXPAND THE DESCRIPTION FOR GOLD!Hey guys thank you so much for watching this video, If it helped you don.
- iMac (Mid 2007 or newer)
- MacBook (Late 2008 Aluminium, or Early 2009 or newer)
- MacBook Pro (Mid/Late 2007 or newer)
- MacBook Air (Late 2008 or newer)
- Mac mini (Early 2009 or newer)
- Mac Pro (Early 2008 or newer)
- Xserve (Early 2009)
b) Back up important data and settings (photos, videos, music files, documents and the like) on your Mac to an external hard drive. You can do this by using the Time Machine feature in Mac OS X, or third-party software such as Carbon Copy Cloner.
c) Create a bootable USB flash drive with a storage size of at least 8GB.
d) Download OS X 10.10 Yosemite Final from the Mac App Store and save it to the Applications folder – its default location.
How to Create Bootable USB Flash Drive
First, create bootable USB flash drive. Here is how you do it, courtesy of Redmond Pie:
- Plug in your USB drive into the computer and open Disk Utility (in Applications).
- Select the USB drive from the left sidebar and click on Erase tab.
- Choose Mac OS Extended (Journaled) in the format box and let the name be Untitled (default).
- Now click on Erase button and wait until the format process completes.
- Then choose Partition tab and select 1 Partition from Partition Layout dropdown menu. Click on Option and ensure GUID Partition Table is selected as the partition scheme, with its name set to Untitled.
- After downloading the OS X 10.10 Yosemite instakker from the Mac App Store, just quit the installer and set the downloaded file's name to Install OS X Yosemite.app.
- Launch the Terminal app (in Applications/Utilities) and type or paste the following command in, and then hit Enter:
sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia –volume /Volumes/Untitled –applicationpath /Applications/Install OS X Yosemite.app –nointeraction
- This will create the bootable USB flash drive. This takes between 10-20 minutes. Do not interrupt the Terminal or eject the flash drive during the process. Once the process completes, you will see the message 'Copy Complete. Done.'
The OS X Yosemite bootable USB flash drive will be ready for use and you can start the clean installation process.
How to Clean Install OS X Yosemite on Your Mac
Yosemite Bootable Usb Downloads
Step 1: Ensure the bootable USB flash drive is plugged into your Mac and restart the computer. As soon as the start-up chime plays, press the Option key (Alt).
Step 2: Choose the USB drive on the start-up drive selection screen and hit Enter/Return on the keyboard.
Step 3: Wait until the Yosemite installer appears on screen. This could take a few seconds or minutes.
Step 4: Click on Disk Utility and then hit Continue.
Step 5: Click on Macintosh HD from the left hand-side pane and then hit Erase tab on the top-right portion of the window. Leave all the settings at their default values and then hit Erase button at the bottom right. This will wipe all files stored on your startup hard drive.
Step 6: When the erasing process is complete, return to the first screen where you selected Disk Utility. Now click on Install OS X and then hit Continue.
Step 7: Choose the Macintosh HD partition you erased in step 5 and then click Install.
If you have followed all the steps correctly, your computer should now boot right into the newly installed operating system, OS X Yosemite, and you could cherish its stunning new UI.
(Source: Redmond Pie)
Mac Os Yosemite Bootable Usb
How to Clean Install OS X Yosemite via Bootable USB Flash Drive