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#Install os on mac new hard drive download

This will be required to log in to the App Store and download the Mountain Lion installer when booted to the Recovery drive. Keep in mind that if you need to do this procedure, then since your computer did not ship with Mountain Lion, you will need a valid Apple ID that is associated with a Mountain Lion purchase. Select it and continue booting, and you should load to the standard OS X Tools window, which you can use to format your internal drive and reinstall OS X. With the recovery drive created, attach it to your Mac and reboot with the Option key held down, and you should see it appear as an option in the boot menu. If you had the foresight to do so with the latest version of OS X, then you might have such a drive around somewhere however, if not then you will need to access a system running Mountain Lion and use Apple's Recovery Disk Assistant to mirror the recovery volume to the drive.

#Install os on mac new hard drive install

This procedure will require you to install and upgrade, but if you wish to install only the latest version of OS X freshly, then you will need to create an external recovery drive to use with your system.

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After installing this version, you will then need to update it, and access the Mac App Store where you can download a previously purchased license for Mountain Lion to install. The first is to install OS X 10.6 Snow Leopard on your computer, which is on the gray installation discs that came with your system, or on a retail Snow Leopard installation DVD. In these cases, then you have two options. But when replacing a faulty drive, this might not be doable. Startup the Mac in internet recovery mode while connected to the internet via ethernet cable (I could not get internet recovery mode to work from wifi) 3.

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Format the drive in Mac OS Extended (Journaled) format.

In the event of swapping out a healthy drive with a new one, you can put the old drive in an external enclosure, boot off of it, and then use a cloning tool to mirror its contents to the new drive. Startup the Mac in recovery mode and run disk utility. If your system was built before 2010, then even though it might run the latest OS X versions, it will not have Internet Recovery as an option, which can result in problems if you have swapped out the hard drive, or experience problems with it and wish to reinstall freshly. This mode is convenient to have, since errors with the hard drive or a blank hard drive could prevent the conventional recovery partition from working. New Mac systems built in 2010 and later support an Internet Recovery mode, which can be used to download the boot image generally stored on the OS X Recovery partition so you can run diagnostics.

Start the Mac and hold down the option key.After purchasing a new hard drive or managing a corrupt one on an older Mac, you can install your current version of OS X even though you might not have a working Recovery option (on the drive or through Internet Recovery) present on your system.

Insert the flash drive in a USB port on your Mac.

Once your new disk is installed, do the following. If not, the rest of this guide continues:

I don't own the tool or promote it so I won't link it but I do recommend it since it helped me.

It will create the bootable USB device for you. Eventually, your Mac will restart and ask you to create an account. Just like that, macOS will begin installing. Choose the Macintosh HD you named earlier. If you are not able to do follow the instructions on the link above, or are wary or using command lines, download a free tool called Unibeast onto your Mac. You’ll be asked which hard drive you want to install to. For this you will need a USBīoth of the above steps are outlined at the Apple web site: " Create a bootable installer for OS". Download El Capitan (OS X 10.11) from the Mac App Store.

#Install os on mac new hard drive windows 10

Click 'Add search location' to browse the Windows 10 ISO image that you downloaded in advance on your computer. Choose your external hard drive and click 'Next'. To avoid having to install OS X twice, do the following.īefore removing your existing hard disk, follow the steps given below: Right-click the Windows icon and click 'Search', type Windows to Go, and hit Enter.