Dear owners of the devices of the "apple" company, this article is written specifically for you. If the operating system has stopped loading on your iMac or MacBook, now you will learn how to quickly and efficiently install Mac OS from a USB flash drive. "Why from a flash drive?" - you ask. And everything is very simple.
Judge for yourselves, it will be fair to say that the era of di-vi-di and, moreover, CDs, is living out its last days. Progress does not stand still. And since the time of these disks has passed, then it's time to learn how to install Mac OS from a USB flash drive. This process has a number of obvious advantages. Firstly, it is much faster. Secondly, you no longer need to rummage through your cabinets and drawers, as well as puzzle over where the installation disk is stored.
Everything is much simpler. Create an installation flash drive for yourself. Put it in a safe place so you can always know where it is if necessary. Now I will describe in detail how to install Mac OS X from a flash drive.
So, for this we need to fulfill several conditions. First, you need an Apple computer or laptop (i-Mac or Mac-book). Without them, you will certainly not succeed. If you have any of this, then you still have to get a removable flash drive (flash drive). Its size should not be less than eight gigabytes. Well, in order for the installation of Mac OS from the USB flash drive to be successful, you will need to purchase the appropriate distribution of this system. If you have prepared all this, then you can proceed.
The first thing we do is convert our flash drive into bootable. To do this, go to your distribution and find another file called "InstallESD.dmg". To do this, right-click on the Install Mac OS X Lion.app icon. Open the Contents directory, then SharedSupport, there you will see the file you are looking for. After that, you need to mount this disk image. To do this, just double-click on this file, you will find the created image on your desktop.
In order to install Mac OS from a flash drive can be implemented in this way, you need to do the correct formatting. Insert the removable device into the port, and then open the disk utility, which is located in the corresponding folder. On the left, select your flash drive and click "Clear." Just do it carefully. By choosing the wrong device, you risk losing all the information. As the file system you must select Mac OS Extended. If you wish, assign a name for this volume. Click "Clear" again.
When the procedure is completed, we will have a flash drive ready for which you need to restore the image you created before. In the same utility on the left, select your device again, only this time click "Restore". Drag the installation image into the Source field and the distribution into another field called Destination. Check your actions and click "Recovery."
That's basically it. Now you can boot your device by holding the options button. This will bring you to the menu to select the desired boot disk. Is it possible to install Mac OS on a USB flash drive? Oh sure. But this is a topic for a separate article.