How To Install Mac Os To External Hard Drive

OS 10 10.8 Mountain Lion will be offered exclusively through the App Store, familiar territory for Apple since OS X Lion was provided the same manner. Thankfully it's withal possible to create a bootable OS X 10.8 Mount Lion installer from any USB drive, be it a flash key or external hard drive.

Past creating a bootable install drive, you can perform clean OS X 10.viii installs, install information technology on divide partitions, and install Os X Mount Lion on Macs that don't have net connections. We'll walk through the process hither, but don't forget to cheque OS X 10.eight system requirements for the destination Mac earlier beginning.

If you lot already have the Mac OS X Mount Lion install DMG extracted, skip this first gear up of steps and jump directly to making the bootable bulldoze below.

Download Os X Mount Lion and Excerpt the DMG File

1. Download Bone Ten 10.8 Mountain Lion from the App Store
2. Go to the /Applications/ directory and right-click on "Install Mac OS X Mountain Lion.app" selecting "Evidence Package Contents"
3. Open the "Contents" directory and then open "SharedSupport", looking for a file named "InstallESD.dmg"
4. Double-click on InstallESD.dmg to mount it on the desktop

Brand the Bone Ten Mountain Lion Install Drive

1. Launch Deejay utility and connect a USB bulldoze to the Mac
2. Select the USB drive from the left card and click on "Erase" tab, choose "Mac OS X Extended (Journaled)" as the format, then click on the "Erase" push button in the corner



3. Now select the formatted USB drive from the left side and click on the "Restore" tab
4. Drag the previously mounted "Mac Bone X Install ESD" epitome into the "Source" section
5. Drag the formatted partition to the "Destination" department, so click on "Restore"



6. Confirm that the USB bulldoze will lose information technology's data and enter the Admin password when asked

Disk Utility will at present create a bootable Bone X Mountain Lion installer drive out of USB drive using the disk epitome, this can accept a little while depending on how fast the drive and Mac are but 20-xxx minutes isn't unusual.

When finished, reboot the Mac and concord downwardly the Option key to bring upwards the kicking menu:

Select the orange "Mac OS X" pick and you volition kick into the Bone X Mountain Lion installer, from hither installation is the same every bit normal. Click on Go on, select the destination drive, and install.

Source: https://osxdaily.com/2012/02/17/make-bootable-os-x-10-8-mountain-lion-usb-install-drive/

Posted by: hartancries.blogspot.com

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