how to create a recovery partition mac os x lion

Let’s see if Disk Utility allows us to do it perfectly. Now as per our second task, we need to create around 12 Gb for Partition B.

The ‘Partition A’ shrinks to 15 GB but created a new partition of 5 Gb, which is unused. Now, here the problems arrives Unable to resize Mac partitionĮntered 15 GB for Partition A and pressed Return. Task 2) To resize the 3 partitions as below requirement (using Disk Utility) Partition B and C SizeĪs shown above, the external hard drive is divided into 3 partitions of sizes 20GB, and two almost 10 Gb of partitions. Now select the 19.7 GB of the remaining hard drive spaces and click (+) plus sign. Else drag the slider to occupy 20 GB of spaces for partition A. Press Return and slider will automatically take 20 GB. ‘Partition A’ and ‘OS X Extended Journaled’ Step 1) Enter partition name and format i.e. Task 1) To create 3 Partitions of below sizes (using Disk Utility) Partition Button is Now ActiveĬlick the Partition button to start partitioning the external drive Solution: Select the ‘Generic USB Disk Media’ and the partition option will become active.

Unfortunately, the Disk Utility partition option is greyed out (see below screenshot).

Select the external disk from the left side of Disk Utility.

** Resolving Partition Option Greyed Out issue

I am using an old 40 GB external hard drive to create, resize and delete partition with Disk Utility and Stellar Partition Manager software. Alternatively, the same procedure will be explained with the help of a disk manager utility known as Stellar Partition Manager. With the help of screenshots, I will be explaining some basic set of activities that are to be done while partition the OS X El Capitan drive. Very soon we will need to partition our Mac hard drive in order to make room for macOS Sierra installation which Apple announced this WWDC 2016 in San Francisco.īut before the time arrives to partition the Mac hard drive for macOS Sierra installation, it is equally necessary to backup the data on Mac startup disk drive to avoid losing any files during the upgrade or installation processes. Some of them find difficult to perform regular disk management activities on Apple hard disk drives including partitioning the disk, creating, resizing and deleting a partition. But this makeover didn’t go well for a handful of Mac users. Disk Utility got a facelift with the launch of OS X El Capitan.

How to create a recovery partition mac os x lion