![]() Next, you’ll need to erase the main hard drive. Hold down the option key to boot, then select your USB drive. It’s available for free from the Apple Store or you can download one from online sources. Create a USB install stick with the Lion installer. If you don’t have a disk or are too lazy to install OS X Lion from the Mac App Store, here’s a workaround. How Do I Do a Clean Install of OS X Lion? If you’ve made a backup, you can also choose to reinstall macOS using the Time Machine option. You’ll be asked to agree to the terms and conditions of the software before installing. You will also need to have an active network connection, which is a must when you’re manually installing macOS without a disk. You must have an Internet connection to perform this procedure. If the system doesn’t recognize the recovery partition, try using the Internet Recovery option. If you don’t have a disk, the installer will show a progress bar a couple of times and then the screen will be blank. After entering the password, you can select a disk that contains the OS X installer, either Macintosh HD – Data. It will ask you to enter a password to unlock the disk. Alternatively, you can install OS X Lion by using the Recovery Partition.Īfter restarting the computer, you should see the macOS installer window. Then you can select the language you want to use, and click Reinstall. The system will then appear in recovery mode with a grey Apple logo. If your computer won’t boot up, you can manually install Mac OS X Lion without a disk by holding the command-r key while restarting the computer. ![]() READ ALSO: How Do I Change the Desktop Environment in Kali Linux? How Do I Manually Reinstall Mac OS X? By doing this, you can restore the previous OS’s settings and make it work again. ![]() However, if your computer is running the older version of macOS, you can reinstall OS X from a fresh disk instead. To make this task as easy as possible, you need to make sure your Mac is running the latest version of macOS. After completing the procedure, you’ll be presented with a new window that shows the installation progress. Once you’ve completed this step, you can launch OS X. This process may take some time, so you should back up your data beforehand. Moreover, you should have your time machine backup. To perform this task, make sure your Mac is turned on and connected to the Internet. Reinstalling Mac OS without disk is possible by using the recovery partition. ![]() Apple recommends that only System Administrators use an external hard drive. If you don’t have a disk, you can also install Lion using an external hard drive. Click Continue and agree to the terms of service. To do this, open the Applications folder and double-click on the Lion installer Dock icon. If you don’t have a disk, you can reinstall OS X Lion by installing it using a bootable USB key. How Do I Reinstall OS X Lion Without Disk? How Do I Reinstall My Operating System?.What If There is No Startup Disk on My Mac?.How Do I Reinstall Mac Without Startup Disk?.How Do I Factory Reset My Mac OS X Lion?.How Do I Do a Clean Install of OS X Lion?.How Do I Reinstall OS X Lion Without Disk?. ![]()
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