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#Os x yosemite 10.10.2 bootable usb doesnt support fat32 usb how to#
#Os x yosemite 10.10.2 bootable usb doesnt support fat32 usb mac os x#
#Os x yosemite 10.10.2 bootable usb doesnt support fat32 usb mac os#

To start from a USB storage device that meets the above requirements: The official Apple instruction at knowlegebase article HT1948 states:

This can be achieved by pressing down option-key during boot: Reboot the Mac and make sure to boot from the USB. This is the part you will be replicating to any of your Macs you want to upgrade. It will result in a lengthy process saying:Įrasing Disk: 0%. applicationpath /Applications/Install\ OS\ X\ Yosemite.app \ createinstallmedia -volume /Volumes/OS\ X\ Yosemite/ \ Root# cd "/Applications/Install OS X Yosemite.app/Contents/Resources" Lrwxr-xr-x 1 root admin 1 Oct 17 13:27 Macintosh HD -> /ĭrwxrwxr-x 7 root wheel 306 Oct 18 13:12 OS X Yosemite Next thing is to confirm, that the volume with given name will be mounted: Initialized /dev/rdisk3s2 as a 7 GB case-insensitive HFS Plus volume with a 8192k journalĢ: Apple_HFS OS X Yosemite 7.7 GB disk3s2

#Os x yosemite 10.10.2 bootable usb doesnt support fat32 usb mac os#

It will say something like this as a result:įormatting disk3s2 as Mac OS Extended (Journaled) with name OS X Yosemite Root# diskutil partitionDisk /dev/disk3 1 GPT jhfs+ "OS X Yosemite" 0b This will partition and format the entire stick into Mac-use: To make sure, the stick is in a Mac-format (this needs to be run as root, that's what the sudo is for). Also it is possible to use some GUI-tools on OS X to format your drives, but as a Linux-nerd I don't know about them. In my case, the USB-stick appeared as /dev/disk3. Now that you have the thing in your drive, don't proceed with the upgrade.ĭo not proceed! You can actually quit the installer, it won't delete the files from your drive. In the classic Commodore 64 game Impossible Mission the phrase was " Another visitor! Stay a while stay forever!". Yosemite should be there as a free download from App Store. In your Apple menu (the top left apple-shaped thing at every program's menu), go for Software Update. They are incompatible at their current state for USB-booting a Mac. That's my experience of getting new ones. So, if you just bought an USB-stick, the chances are, that it is MBR-partitioned FAT32.

#Os x yosemite 10.10.2 bootable usb doesnt support fat32 usb mac os x#

Note: You should not use a version of Mac OS X that is earlier ("older") than the version your Mac shipped with.

Contains an installation of Mac OS X 10.4.5 or later, or Mac OS X 10.5 or later, which is compatible with (or shipped with) the Mac that the USB device is connected to.Has been formatted with a GUID partition type.Intel-based Macs support starting from an external USB storage device's volume that: The knowledge base article HT1948 states: Starting from an external USB storage device (Intel-based Macs).Disk Management From the Command-Line, Part 2.DISKUTIL(8) - BSD System Manager's Manual.

#Os x yosemite 10.10.2 bootable usb doesnt support fat32 usb how to#

How to Burn OS X Yosemite to a USB Flash Drive.

So, let's figure out something smarter on that. Anyway, I absolutely, positively don't want to do that on all of my Macs. Argh, argh! When I resumed, it picked a better server and I got rest of the file in 10 minutes or so. It downloaded a hour or so and choked completely. When I downloaded mine, it said 6 hours of load time. The amount of downloading needed is easily 5+ GiB. Funny thing, the operating system 10 has a version 10 released.

Latest OS X version Yosemite or 10 is out.