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The rest of the work is up to UNetbootin, and it will let you know when the process is done. Select the Drive and click OK to begin the installation. Once its all off i have a program that that will write and wipe all off the free space. Since we want to install Ubuntu without USB, so we will choose the Hard Disk type: Selecting the Hard Disk will copy all the files from the ISO file to the drive you selected and add a bootloader. i have been looking though the library and noticed the application support folder and witin that it has folders for all the apps i have installed, so im assuming i should delete the folders for the apps i have installed, but is there anything else i need to get rid. i will then remove all the apps that i have installed on the machine. Then i will delete the keychain and create a new one. So the obvious part will be clearing all stuff from my desktop and documents, music, pictures and movies.

ideally the way to clean it would be to use the install disc and start a fresh, but i dont have access to it and although the I.T guy will use it to clean it, i dont trust that he wont have snope around before he wipes it clean. i have had the mac book for about 3 years now and it has quite alot of personal stuff all over the place. but it looks like they want it back before i leave and i really dont trust the I.T guy from my head office so i want to make sure i can get everything off it before it goes back as it does have a personall stuff on it. Select Disk Utility and click on Continue. sorry if it is in the wrong place though.ĭue to recession, i will be out of my job as the 12th march and i use a macbook given to me by my work. How do I reinstall Mac OS X without disc Turn your Mac on, while holding the CMD + R keys down. For some older Macs this won't necessarily be the latest OS, such as MacOS Monterey, but instead MacOS Catalina, for example.I figured this was the best place to put this thread due it really being about working with the operating system. Your computer should then install the latest version of OS that it can install. Re-install MacOSX: click on " Reinstall Mac OS X" > "Continue".Select the Mac OS Extended (Journaled), give a name to your disk and click on Erase.Select the startup disk and go to the Erase Tab.

Also, it is advised to make a time machine back up of your computer if possible before following the procedure. To reinstall your Mac's OS without an installation disc you need to firstly make sure that you keep your Mac turned on during the whole procedure, and that your Mac is connected to the internet. In this article we will show you how to reinstall Mac OS without disc. MacOS includes a recovery partition that allows you to easily erase all data on your Mac and reinstall your OS without an installation disc.