How To Download And Install Yosemite

Prerequisites

1) Ensure your Mac is compatible with Bone X Yosemite. These are the supported devices:

• iMac (Mid 2007 or newer)
• MacBook (Late 2008 Aluminium, or Early 2009 or newer)
• MacBook Pro (Mid/Late 2007 or newer)
• MacBook Air (Belatedly 2008 or newer)
• Mac mini (Early 2009 or newer)
• Mac Pro (Early on 2008 or newer)
• Xserve (Early 2009)

2) Back up important information and settings (photos, videos, music files, documents and the like) on your Mac to an external hard drive. You can do this past using the Time Automobile feature in Mac Os X, or third-party software such equally Carbon Copy Cloner.

3) Create a bootable USB flash drive with a storage size of at to the lowest degree 8GB.

four) Download Bone 10 10.10 Yosemite Terminal from the Mac App Store and save information technology to the Applications folder – its default location.

How to Create Bootable USB Flash Bulldoze

First, create bootable USB flash drive. Here is how you do it:

Plug in your USB drive into the computer and open Deejay Utility (in Applications).

• Select the USB drive from the left sidebar and click on Erase tab.
• Choose Mac Bone Extended (Journaled) in the format box and let the name be Untitled (default).
• At present click on Erase push button and wait until the format process completes.

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• And then choose Sectionalization tab and select 1 Division from Sectionalization Layout dropdown menu. Click on Selection and ensure GUID Partition Table is selected as the division scheme, with its name set to Untitled.

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• After downloading the OS X 10.x Yosemite instakker from the Mac App Shop, only quit the installer and fix the downloaded file's name to Install Bone X Yosemite.app.
• Launch the Terminal app (in Applications/Utilities) and blazon or paste the following command in, and then striking Enter:

sudo /Applications/Install Os X Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install OS X Yosemite.app --nointeraction

Note: The code above has missing double dashes in the quotes. Please supercede a single "-" with "- -" when you enter the higher up control line in the concluding.

• This will create the bootable USB flash drive. This takes between 10-20 minutes. Practice not interrupt the Terminal or eject the wink drive during the process. Once the process completes, y'all will run into the message " Re-create Consummate. Done ."

The OS Ten Yosemite bootable USB flash drive will be gear up for use and you tin outset the clean installation process.

How to Clean Install Os X Yosemite on Your Mac

Stride 1: Ensure the bootable USB flash drive is plugged into your Mac and restart the computer. As soon as the kickoff-up chime plays, press the Option central (Alt).

Step 2: Choose the USB drive on the get-go-up bulldoze pick screen and hit Enter/Return on the keyboard.

Step iii: Await until the Yosemite installer appears on screen. This could take a few seconds or minutes.

Step 4: Click on Deejay Utility and then hit Continue.

Step 5: Click on Macintosh HD from the left paw-side pane and and so hit Erase tab on the height-right portion of the window. Go out all the settings at their default values and so striking Erase push at the bottom correct. This will wipe all files stored on your startup hard bulldoze.

Step six: When the erasing procedure is complete, return to the first screen where you selected Disk Utility. Now click on Install OS X and and so hit Continue.

Footstep 7: Choose the Macintosh Hd partition you erased in step 5 and so click Install.

If y'all have followed all the steps correctly, your estimator should now boot right into the newly installed operating system, Bone X Yosemite, and you could cherish its stunning new UI.

Create bootable Yosemite ISO

one- You need download Install OS X Yosemite.app

ii- Run this script in Final:

#!/bin/bash  # Mount the installer prototype hdiutil attach /Applications/Install\ Os\ X\ Yosemite.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app  # Convert the boot image to a sparse bundle hdiutil convert /Volumes/install_app/BaseSystem.dmg -format UDSP -o /tmp/Yosemite  # Increase the sparse package capacity to suit the packages hdiutil resize -size 8g /tmp/Yosemite.sparseimage  # Mount the sparse bundle for parcel addition hdiutil attach /tmp/Yosemite.sparseimage -noverify -nobrowse -mountpoint /Volumes/install_build  # Remove Package link and supplant with actual files rm /Volumes/install_build/System/Installation/Packages cp -rp /Volumes/install_app/Packages /Volumes/install_build/System/Installation/  # Re-create Yosemite installer dependencies cp -rp /Volumes/install_app/BaseSystem.chunklist /Volumes/install_build/BaseSystem.chunklist cp -rp /Volumes/install_app/BaseSystem.dmg /Volumes/install_build/BaseSystem.dmg  # Unmount the installer image hdiutil detach /Volumes/install_app  # Unmount the thin bundle hdiutil detach /Volumes/install_build  # Resize the partition in the sparse package to remove any gratis space hdiutil resize -size `hdiutil resize -limits /tmp/Yosemite.sparseimage | tail -due north 1 | awk '{ impress $1 }'`b /tmp/Yosemite.sparseimage  # Convert the sparse package to ISO/CD master hdiutil convert /tmp/Yosemite.sparseimage -format UDTO -o /tmp/Yosemite  # Remove the sparse packet rm /tmp/Yosemite.sparseimage  # Rename the ISO and movement it to the desktop mv /tmp/Yosemite.cdr ~/Desktop/Yosemite.iso

3 - Fire the .ISO in Pendrive, and relish!

Source: Ibtimes and AppleInsiderForum

Credits for help: Duran Keeley

Edited November 5, 2022 by Allaп
Script Add

Source: https://www.insanelymac.com/forum/topic/301988-how-to-create-a-bootable-yosemite-install-updated/

Posted by: nelsonfrored1945.blogspot.com

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