Tag Archive: Partition


Fixing a Broken EFI Partition on Mac

Though it is an unusual occurrence, a Mac may encounter a broken or damaged EFI partition which typically prevents the Mac from booting and the Mac OS system software from loading. This is usually demonstrated as a boot screen that is stuck on the  Apple logo, sometimes with or without a wait cursor that … Read More

How to Recreate Recovery Partition in Mac OS X

The Recovery partition in Mac OS X is an important component of a system install in that it allows you to troubleshoot a computer, repair drives, restore from backups, and even reinstall Mac OS if need be. Nonetheless, in some specific situations you may find that a Mac does not have a Recovery partition, usually … Read More

How to Install OS X El Capitan Safely to New Partition & Dual Boot Yosemite

Mac users who choose to dabble in early releases of OS X El Capitan will find that dual booting the release alongside OS X Yosemite or OS X Mavericks is a better solution than simply updating their primary OS X installation. One easy way to do this is to partition the Macs hard drive and … Read More

Stuck in Yosemite with OS X Installer Drive and a Missing OS X Mavericks Partition? Here’s the Fix

Some Mac users who partitioned their Macs to dual boot between the beta OS X Yosemite builds and stable OS X Mavericks releases have discovered a disconcerting issue; their Mavericks partition seems to have vanished and been replaced by an “OS X Installer” partition, forcing them to be stuck in OS X Yosemite. The obvious … Read More

How to Install OS X Yosemite Beta on a New Partition & Safely Dual Boot

OS X Yosemite is an amazing update to the Mac operating system that’s really better experienced than seen, but due to it’s current early beta status, it’s generally not a good idea to upgrade your primary OS X volume to the 10.10 beta quite yet. Instead, the safest approach is to install OS X Yosemite … Read More

How to Remove a Windows Boot Camp Partition from a Mac

Boot Camp allows you to dual-boot between a Windows partition and OS X on a Mac. Dual booting multiple OS’s is incredibly useful and has plenty of purposes, but if you decide you no longer need to run Windows on a Mac you’ll probably want to remove the Windows Boot Camp partition so that you … Read More

How to Resolve a Partition Failed Error in Mac OS X

Partition Failed error

If you have attempted to partition a drive from Mac OS X and received a �Partition failed� message with the error �Couldn�t modify partition map because file system verification failed.� you can fix the problem with the file system check command line utility. To do this properly, you�ll need to boot into Single User Mode as well:

Reboot the Mac into Single User Mode by holding Command+S during boot  [Read More…]

How to Boot into OS X Lions Recovery HD Partition

Recovery HD All Macs with OS X Lion have a bootable Recovery partition that can be accessed in case of system problems, allowing you to troubleshoot, restore from Time Machine backups, and even reinstall Mac OS X.

Hold down Command+R keys during boot to access the Recovery HD partition.

You�ll know you�re in recovery mode because the standard desktop won�t be displayed, replaced with a limited Mac OS X Utilities window and  [Read More…]

Beware! OS X Lion Can Hose Your Recovery Partition! Heres How You Can Try To Fix It

Apple�s new MacBook Air models don�t ship with OS X Lion on a USB thumb drive like they used to. That diminutive little white wedge of flash storage is gone, no where to be found inside of the box that these computers ship in. If you want one, you�ll need to pay Apple $ 69 for the privilege in August.

That�s a potentially big problem for some users. Yesterday, I found  [Read More…]