btaposters.blogg.se - Createinstallmedia yosemite

Upon opening that 2 TB HD icon and double clicking "Install OS X Yosemite" app, El Capitan prevents installation proceeding by warning "this copy of 'Install OS X' is too old.".Īfter rebooting with 10.10.3 external active, upon opening that 2 TB HD icon and double clicking "Install OS X Yosemite" app, Yosemite requires an administrator's name and password to be entered before installation can proceed. When Terminal instructions were complete, the 2 TB HD had been renamed from "Untitled" to "Install OS X Yosemite".

With 10.11.4 internal active, I used Terminal to erase external 2TB and copy installer files etc. As this was before El Capitan arrived to create so much universal havoc, I think this may not advance the cause. Regarding the link, I notice the date (created?) as being June 2014. Which "data loss" and/or deletion of important system files" does the warning refer to, please? The target 2TB external is formatted but blank. To proceed, enter your password, or type Ctrl-C to abort." Or the deletion of important system files. "WARNING: Improper use of the sudo command could lead to data loss ("Untitled" being the name of the formatted but blank 2TB external HD.)Īfter entering this text into "Terminal" and hitting "return", the following warning appears in the Terminal window: "sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install\ OS\ X\ Yosemite.app -nointeraction" All parts of this exercise I carried out with the internal OS X 10.11.4 as active system.Īfter amending the text you supplied to read: Turn the power on, hold down the Option key, and select the drive from the list that appears on the screen. To use it, simply connect the drive to the target Mac with the power off. It should say "Copy Complete" when it's done. The process of readying the disk as a bootable drive will begin.You will be prompted to enter your system password the password you use to update apps on your Mac, or to login at boot.Paste that text into the Terminal application and hit the Return key.Copy the following text: sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/Installer -applicationpath /Applications/Install\ OS\ X\ Yosemite.app -nointeraction

It is important to remember what your hard drive was called? If you didn't call it "Installer," you'll need to change the pathname where it says /Volumes/Installer to the name of your drive.

Open the Utilities folder if it's closed.

You may need a friend to down load Yosemite, if your purchased option is grey. I use three ways to create a boot-able OS X install drive, using the installer’s built-in createinstallmediatool, using Disk Utility, or performing the Disk Utility procedure using Terminal.