How to install Mac OS from a USB flash drive

Dear owners of devices "apple" company, this article is written specifically for you. If your operating system or mac-book has not already been loaded with the operating system, now you will learn how quickly and quickly you install the Mac OS from the USB flash drive. "Why with a flash drive?" - you ask. And everything is very simple.

Judge for yourself, it is fair to note that the era of DVDs and, especially, of CDs, is living out its last days. Progress does not stand still. And since the time of these disks has passed, it's time to learn how to install Mac OS from a USB flash drive. Such a process has a number of obvious advantages. First, it happens much faster. Secondly, you no longer need to rummage through your cabinets and drawers, and also puzzle over where the installation disk has gone.

Everything is much simpler. Create for yourself an installation flash drive. Put it in a safe place, if necessary, always know where it is. Now I will describe in detail how Mac OS X is installed from a USB flash drive.

So, for this we need to fulfill several conditions. First, you need a computer or a laptop company "Apple" (ay-poppy or poppy-book). Without them, you definitely will not succeed. If you have something of this, then you'll still have to get a removable flash drive (USB flash drive). Its size should not be less than eight gigabytes. Well, in order to install the Mac OS from the USB flash drive was successfully carried out, 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 USB flash drive into a bootable one. 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, the created image you will find on your desktop.

In order to install the Mac OS from the USB flash drive could be realized in this way, you need to make the correct formatting. Insert the removable device into the port, and then open the disk utility that is in the appropriate folder. On the left, select your flash drive and click "Clear". Just do it carefully. Choosing the wrong device, you risk losing all the information. As a file system, you must select Mac OS Extended. If you want, assign a name for this volume. Click "Clear" again.

When the procedure is completed, we will have a ready flash drive, on which you need to restore the image you created earlier. In the same utility on the left, select your device again, just click "Restore" this time. Drag the installation image into the Source field, and into the other field, called Destination, the distribution. Check your actions and click "Restore".

That's basically it. Now you can load your device while holding down 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 already a topic for a separate article.