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Use the createinstallmedia command in Terminal to create the bootable installer.Open the Terminal (which is in the Utilities folder of your Applications folder.).Mount your USB flash drive, or external drive with a 8GB or larger partition.Quit the installer if it opens automatically after downloading. Download the OS X installer from the Mac App Store.As long as you have that, here are the basics: You will need a running Mac system and a blank USB Thumb drive (at least 8GB in size). You need to create a boot installer disk to setup a new disk as an internal boot disk for a Mac.
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If they are indeed unformatted, how the heck am I supposed to format them when Disk Utility can't see them at all? I don't have an external drive available, but I suppose I can wrangle one with some shenanigans. Is it possible that these drives are shipped raw and totally unformatted (first was Seagate STBD1000100, SATA III, second is Western Digital WDBMYH0010BNC-NRSN, SATA II)?
#INTERNAL HARD DRIVE FOR MAC PC#
I was thinking that these drives just needed to be formatted, even though both indicated they were Mac compatible, which I presume means pre formatted in FAT so both Mac and PC could read them. So I got a new drive, same capacity, different brand and same result: I don't see the drive in Disk Utility at all, no matter how I boot. Bad drive right out of the box, yeah? Rare, but it happens. What's more, I repeated all of these steps on a different Macbook, and the results were the same there - drive not seen. Booting from Internet Recovery is the same. In DU, I can see the thumb drive, but I can't see the new hard drive at all. I popped the bottom case, discharged any static, undid the screws on the drive bracket, pulled the old drive and installed the new drive.Īfter putting the Macbook back together, I booted from a USB thumb drive and launched disk utility.
#INTERNAL HARD DRIVE FOR MAC UPGRADE#
I have a 13.3" mid-2012 2.5 GHz Macbook Pro and wanted to upgrade the internal HDD from the factory standard 500GB capacity to a 1TB.