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1. #CREATE A MAC OS X STARTUP DISK HOW TO#
2. #CREATE A MAC OS X STARTUP DISK INSTALL#
3. #CREATE A MAC OS X STARTUP DISK UPDATE#
4. #CREATE A MAC OS X STARTUP DISK FULL#

However, though you have deleted them, it still occupies the storage. Every time you delete the useless files, you would put them into your trash can on Mac. It is the first way that you should try to free up your hard drive. When come across this situation, what would you do to solve the problem? Here, I will recommend a few tips to free up and release your Mac when the startup disk is full. If you get two or more disks, the Mac drive with the OS on it is the startup disk and the other disk(s) is (are) just for storage. If your Mac only gets one disk, then it is also your startup disk. But most of the Mac users get only one disk and of course, some may have two or more. Every Mac has hard drive consists of disks. So what is startup disk?Ī startup disk, also named Macintosh HD, is a drive that contains a usable operating system, applications and home folders.

#CREATE A MAC OS X STARTUP DISK FULL#

You can even use Safari to get help from Apple Support online.If your hard drive is almost full for storage, you will be prompted by the system and notify you to make more space available on your startup disk so that the system could run normally.īefore picking up some solution to solve this program, some people may feel confused about the startup disk. In Lion Recovery you can check or repair your hard drive, erase your hard drive and reinstall a fresh copy of Lion, or restore your Mac from a Time Machine backup. To run the Lion Recovery utility, hold down Command + R keys during startup. One of new features in Mac OS X Lion is system recovery from the hard drive.

Press Restore button and the Disk Utility will create Mac OS X Lion bootable installation USB flash disk.

Select the InstallESD.dmg file as a source and the USB flash disk as a destination. Hit the Apply button and Disk Utility will create bootable USB flash disk.Click the Options button and select GUID Partition Table to create bootable USB flash disk and click on the OK button.Select Partition tab and set Partition Layout option to 1 Partition and Partition format set to Mac OS Extended (Journaled).Plug your USB flash disk to USB port and select it in the Disk Utility white left sidebar.Drag the InstallESD.dmg file and drop it to the left white sidebar in Disk Utility.Start the Disk Utility application (Applications/Utilities/Disk Utility).Go to the Contents/ShareSupport directory in which you can find the InstallESD.dmg file.Click the right mouse button on the Lion installer and select the Show Package Contents option.

#CREATE A MAC OS X STARTUP DISK INSTALL#

App Store will offer you Lion installation to download again. If you want to re-download Lion installation application, open the App Store, hold the Option (Alt) key and click on Purchased button. After the download is finished, close the automatically opened installation window for the Lion update.

#CREATE A MAC OS X STARTUP DISK UPDATE#

Download the Mac OS X Lion update from the Apple App Store.DVD or USB Lion installation is useful if hard drive partitions in your Mac crashed or after installation of a new hard drive to your Mac, because Lion Recovery utility will be unavailable. To run Lion Recovery press and hold Command + R keys during startup. Lion Recovery can restore Lion to default settings, like after clean installation. Mac OS X Lion has integrated recovery utility called Lion Recovery. Disk Utility that is used to create the USB Lion installation, will format the USB flash disk and all data saved on it will be deleted. The USB flash disk must have more than 5 GB of free capacity. Mac OS X Lion USB flash disk installation must be created before you update your Mac, because after update process, the system will delete the installation application.

#CREATE A MAC OS X STARTUP DISK HOW TO#

How to create bootable installation flash disk of Mac OS X Lion