Mac boot usb not showing

Turn off your computer and back on again while holding Option. Ubuntu Community Ask! Home Questions Tags Users Unanswered. I would like to erase the existing operating system and install Ubuntu on my Macbook6. Bielorusse Bielorusse 13 4 4 bronze badges. Welcome to AskUbuntu! When you say it doesn't boot, does the mac attempt to boot it but it gives you a blank bootup screen? BernardWei Thank you! I mean that the USB doesn't appear as a boot option when holding the option key on power up as seen here.

The macbook boots whitout any option when holding Cmd-C. Warning: make sure all important data is safe before doing this!

Boot in and follow the default installer selecting 'Erase disk and install Ubuntu'. Sign up or log in Sign up using Google.

Using Unetbootin

Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Another reason is so you can run different versions of macOS. And similarly, it allows you to test a new version before you make the decision to upgrade. This includes trying the beta version, bugs and all. It might not be stable enough to use as your daily driver, so installing the Mac beta on an external drive lets you test it risk-free.

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That requires a very different process. Fast hardware is also important.

This means USB 3, and either a flash drive with fast read and write speeds, or a solid state drive instead of a hard drive. You will notice a difference if your hardware is not fast enough.

Macbook won't boot from USB stick?

If this happens, there is a solution. We'll walk you through this alternative method for installing macOS. This requires you to use the Terminal app. First up, you need to format your drive. Connect it to your computer and launch Disk Utility. Eject the volume by clicking the Eject button alongside it. Now select the device name. Go to Erase and type a name for the drive.

Now click Erase. Remember that this will wipe everything on your drive.

Now download the version of macOS you want to use. Double-click this to get started. Click through the license agreement. Click Show All Disks and select your external drive.

Why Boot macOS From USB?

All the necessary files will copy over to your drive first, which might take up to 10 minutes. Then your Mac will shut down and the full installation will start. This takes a while, and the time estimate is not necessarily accurate. In our case the estimate was 15 minutes, but the process was still chugging away after half an hour.

MacBook doesn't show/recognize (bootable) USB stick – CloudReady

Faster hardware is definitely a plus here. Now you just need to set it up as you normally would. Next time you start your computer, it might revert back to booting from your internal hard drive.