Before You Start: Back Up!
Let Lion DiskMaker do the job for you:. It requires you to download the installer through the App Store just like above, but creating the USB drive is now way easier. If you don't have access to a Mac with App Store installed, you need to find your installer elsewhere. The internet is full of … "places" where you can find installer images for OS X versions.
Explaining the Mac OS X Lion Clean Install
I'll leave it up to you to find them. These installers contain a. Then from the Restore tab, restore your. For older versions of OS X You will need the OS X install disk image see above for various methods on how to obtain one , then use the day free trial of TransMac to copy the disk image to your USB drive. The right-side panel of TransMac allows you to right click your USB drive, the format the disk with the disk image.
What is the recovery HD and features does it have?
Point it to your. MacDrive , which offers a 5-day trial, probably does the same, but I haven't been able to verify this yet. Home Questions Tags Users Unanswered.
Asked 7 years, 1 month ago. Active 4 years, 7 months ago. Backing up your data is something you should be doing on a regular basis — every single day, for most people. However, any time you propose erasing your primary data storage, it becomes critical.
How to create an OS X Lion boot drive | TechRadar
You must do it right, or you will risk losing data. So how do you do it right?
Most importantly, make redundant backups. If you only have one backup, remember that when you erase your hard drive, those backups become the one-and-only copy of your data. Before erasing the hard drive, make sure you have a minimum of two completely separate backups, on completely separate media, and preferably made with two different backup programs.
I highly recommend Time Machine to back up to one hard drive or a Time Capsule, and Carbon Copy Cloner to back up to one or more additional hard drives. The system should eventually boot into the installer, where you first must choose a language.
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Do so, then choose Disk Utility from the Utilities menu. When you see the Apple logo, you can let go. This will start the computer in recovery mode. Once you have fully booted into recovery mode, open Disk Utility. Note that when you begin the install process, you will need to download about 4 GB of data, so be sure your internet connection can handle that before proceeding.
Once in Disk Utility, you need to select your hard drive in the list and select the Erase tab. This step is pretty simple — just follow the directions to reinstall the system on the newly-erased drive. Instead, when the installer finishes, import nothing, and go through the setup process as if this were your first computer. Once your system restarts successfully, you will need to be sure that it is fully up-to-date. From the Apple menu, choose Software Update, and install any updates that show up.
If you reinstalled Mac OS X Once your clean, new system is up and running and fully updated, work on getting all the settings back to the way you like them.
At this point, you can manually copy your user data from the clone backup back into your new user folder. Choose the disk on which you want to reinstall OS X by clicking its icon once in the pane where you select a disk.
Install OS X Lion Using a Bootable DVD
A sheet asks for your Apple ID and password. Type them in the appropriate fields; click Sign In, and your Mountain Lion installation or reinstallation begins.
The operating system takes 30 to 60 minutes to install, so now might be a good time to take a coffee break. When the install is finished, your Mac restarts itself.
Your Mac will reboot and you can begin using your new, freshly installed and ideally trouble-free copy of OS X Mountain Lion. After your Mac reboots, the Setup Assistant window appears.
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