

- #How to get mountain lion os x mac os x#
- #How to get mountain lion os x mac os#
- #How to get mountain lion os x install#
Select the USB flash drive from the left side list.Double-click on the InstallESD.dmg file to mount it on your Desktop.You are going to clone the content of the InstallESD.dmg disc image to the flash drive as follows: Plug in your freshly prepared USB flash drive. In this folder you will see a disc image named InstallESD.dmg.Ĥ. Double-click on the SharedSupport folder. Double-click on the Contents folder to open it. CTRL- or RIGHT-click on the installer and select Show Package Contents from the contextual menu. Locate the saved Mountain/Lion installer in your Downloads folder. The format process can take up to an hour depending upon the flash drive size.ģ.
#How to get mountain lion os x mac os#
Set the format type to Mac OS Extended (Journaled.) Click on the Options button, check the button for Zero Data and click on OK to return to the Erase window.Click on the Erase tab in the DU main window. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list.Click on the Partition button and wait until the process has completed. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID then click on the OK button. Under the Volume Scheme heading set the number of partitions from the drop down menu to one.Click on the Partition tab in the DU main window. After DU loads select your flash drive (this is the entry with the mfgr.'s ID and size) from the left side list.Open Disk Utility in your Utilities folder.Get a USB flash drive that is at least 8 GBs. You must do this because the installer deletes itself automatically when it finishes installing.Ģ. Move the copy into your Downloads folder. Go to your Applications folder and make a copy of the Mountain/Lion installer.
#How to get mountain lion os x install#
After Mountain/Lion downloads DO NOT click on the Install button.
#How to get mountain lion os x mac os x#
After downloading Mountain/Lion you must first save the Install Mac OS X Mountain/Lion application. If you do not stop the download process immediately upon its completion you will end up with an installer that always boots to a non-functioning installation progress window instead of the normal main menu.ġ. Use it until the next public release of Lion appears or you move on to Mountain Lion. This will result in your finding a folder on the drive that contains InstallESD.dmg that you can now use to create a bootable USB flash drive installer based on the special build for your model. pull the power on the computer - shut it down quickly. yank the cable for the drive from the computer b. There are only two reliable ways to do this quickly: a. Now this is important - as soon as that gadget appears you must abort the installation process.
