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1. #What format for bootable usb mac mac os
2. #What format for bootable usb mac serial number
3. #What format for bootable usb mac 64 Bit
4. #What format for bootable usb mac iso
5. #What format for bootable usb mac mac

Choosing a Format for your destination volume If you do not see the Scheme option, go back two steps and select the whole disk device, not one of the volumes on the disk. You can set the name to whatever you like, but set the Scheme to GUID Partition Map. Erase the specified diskĬlick on the Erase button in Disk Utility's toolbar, then configure the name, format, and partitioning scheme of your disk. Click the Eject button next to any volumes on the disk to preemptively unmount them before erasing the disk. because Spotlight prevents the unmount request). Unmount any volumes on the specified diskĭisk Utility occasionally has problems with unmounting a volume while attempting to erase it (e.g. If your disk is a Fusion device, you may erase the "container" within it instead. You must select the whole disk to correctly initialize the device. Please pay particular attention to selecting the disk, not one of the volumes on the disk.

#What format for bootable usb mac serial number

A startup disk will often include the manufacturer's serial number in the title (e.g. The name of a new disk will often include the manufacturer’s name (e.g. This disk should not be the same as your startup disk. Before doing anything else in Disk Utility, choose Show All Devices from the View menu, or from the View popup button in Disk Utility's toolbar.Ĭlick to select the disk that you would like to use as the destination for your CCC task. Unfortunately, this hides the devices that you need to select to modify the partitioning of your backup disk. Watch a longer, in-depth tutorial about using Disk Utility Show All Devicesĭisk Utility offers a very simplified view of your devices by default. Watch a video of this tutorial on YouTube Instructions for Big Sur, Catalina, Mojave, and High Sierra

#What format for bootable usb mac mac

Choose About This Mac from the Apple menu to determine your current OS, then make a selection below. Once the dd command finishes its process, you may see a dialogue box saying: The disk you inserted was not readable by this computer.The remaining steps vary considerably depending on the operating system you are running. Step 6: Complete the bootable USB drive process

It will take a few minutes for the process to complete. Similar to Linux, you won’t see any asterisks or something to indicate that you have entered some keyboard input, but that’s the way Unix terminal behaves.Įven after you enter the password, you won’t see any immediate output and that’s normal. For me the command was like this: sudo dd if=~/Downloads/ of=/dev/rdisk2 bs=1mĪs we are running the above command with super user privileges (sudo), it will require you to enter the password. I hope you remember where you put the converted IMG file, in step 3. Here, we are using dd (copy and convert) to copy and convert input file (if) IMG to diskN. Use dd command in the following manner to create live USB: sudo dd if=/Path-to-IMG-DMG-file of=/dev/rdiskN bs=1m

#What format for bootable usb mac mac os

Therefore, do remember the correct device number of your USB drive or else you might end up corrupting Mac OS X. We shall be using dd command which is a very powerful and must be used with caution.

Step 5: Creating the bootable USB drive of Ubuntu in Mac OS XĪnd finally we come to the final step of creating the bootable USB drive. The result should be: Unmount of all volumes on disk2 was successful. So, in my case, the above command becomes: diskutil unmountDisk /dev/disk2 Where N is the device number for the USB you got previously. When you got the disk number, run the following command: diskutil unmountDisk /dev/diskN

So for me, the command is like this: hdiutil convert -format UDRW -o ~/Downloads/ubuntu-14.10-desktop-amd64 ~/Downloads/ Normally the downloaded file should be in ~/Downloads directory.

#What format for bootable usb mac iso

Open a terminal, either from Launchpad or from the Spotlight, and then use the following command to convert the ISO to IMG format: hdiutil convert -format UDRW -o ~/Path-to-IMG-file ~/Path-to-ISO-file This can be easily done using hdiutil command tool. The file you downloaded is in ISO format but we need it to be in IMG format. Ubuntu 14.04 is the latest LTS version, and this is what I would recommend to you.

#What format for bootable usb mac 64 Bit

Since you are using a Macbook Air, I suggest you to download the 64 Bit version of whichever version you want. Jump to Ubuntu website to download your favorite Ubuntu desktop OS. Of course, you need to download ISO image of Ubuntu desktop. Of course hit the Partition button to format the USB drive. It will give you a warning message about formatting the USB drive. When all is set to go, just hit the Apply button.