Question How do I reinstall Mac OS when I installed Ubuntu onto my machine?

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Happy Crayfish

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Jul 1, 2015
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So, a few months ago I installed Ubuntu to my Macbook Air since I wanted to do programming on it, and according to most Ubuntu would be perfect for that.

However a few weeks ago Visual Studio 2017 got released for Mac, and since that's what I usually use for programmign I would like to use that instead. However I can't now since I have Ubuntu.

So I would like to install Mac on my Macbook again. but I am not sure how to do that?
I think I removed the entire Mac partition when installing Ubuntu, but I'm not sure. :S
 
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Happy Crayfish

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All of those steps only work if you already have a Mac version installed though, and since I don't seem to have htat they don't work for me :/
 
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brucewithatemper

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May 16, 2017
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Hey man, I did some research and this is by far the best answer i've found related to your query.

It sounds like you don't have a backup of your original OS X setup, and since you also likely don't have the Recovery partition, you can reinstall in the following way from scratch (assuming you have a relatively recent machine):

See http://support.apple.com/en-us/HT4718 for reference - but the relevant steps are below:

OSX Internet Recovery

Restart your Mac, and hold down Command and R at startup until the Apple logo appears.
After your computer finishes starting up, you should see a desktop with an OS X menu bar and an OS X Utilities window with the options listed above. If you see a login window or your own desktop instead of the Utilities window, it's possible that you didn't press Command-R early enough. Restart your computer and try again.

Choose the option you want to use from the Utilities window or the Utilities menu.

In order to reinstall OS X, you need to be connected to the Internet using Ethernet or Wi-Fi. If you're using a wireless Internet connection, click the Wi-Fi menu in the upper-right corner of the screen to select a nearby Wi-Fi network. Choose your preferred network name and enter a username and password to join the network if needed.

 
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Happy Crayfish

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Oh yeah, command+R did work. I guess I just messed up when I did it the last few times...
Right now it's downloading pretty quickly, ill get back once it's finished and see what happens.
install a fresh version of OS X, and now it's telling me to select a disk on which I want to install OS X, however no disks actually appear, so I can't continue with the setup? :eek:

Another Edit :
Managed to fix the no disks issue by formatting the disk, I believe it was because the disk was set to a Linux type, which seemed to be incompatible with Mac OS X
 
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