Steps to delete my Recovery HD partition using Disk Utility?

As discussed in our previous blog about the need for deleting recovery partition, here are the steps to delete it from your Mac OS X (lion+).

First Clone your Mac using Stellar Drive Clone software:

The foremost thing is --- creating clone (bootable clone) of your Mac drive using some adroit tool like Stellar Drive Clone. So, first make bootable copy of Recovery HD using this software on your external drive and then delete recovery HD from your Mac is a better option. It enables you to use recovery HD clone from external drive when required and keeps your Mac protect from unauthorized access.

In fact, Stellar Drive Clone can create bootable copy of your Mac recovery HD too that you can keep anywhere in some external drive and can use whenever required.

This tool can clone can create bootable copy of your drive and image of your Mac disk using which you can restore your Mac when needed.

Steps to delete recovery partition using Mac's Disk utility:

Step1. First confirm the presence of Recovery HD, so open Terminal.app and enter ' diskutil list' command and press return key.

If you find its presence then follow further steps:

Step2. Write the command - "defaults write com.apple.DiskUtility DUDebugMenuEnabled 1 " and press return.

Actually this command will enable the Debug option of disk utility that is usually hidden. By using this option we complete further procedure.

Step3. Open Disk Utillity, Select debug and click on 'show every partition'

This action revealed the Recovery HD in the left hand pane of disk utility that usually seems to be grayed.

Step4. Now, select Recovery HD and click icon on the top named as Mount to make it active.

Step5. Now it will no longer greyed, you can delete it using secondary click of mouse or by control click and then clicking erase.

Step6. Now, you will be left with the free space of 650mb partition with nothing on it, so in order to free that space for future use, It is better to remove that partition too using partition tab.

Select partition tab than click on recovery HD partition showing in drive, then a dialogue box open to ask for confirmation of removal or cancel. Click to remove make the task done.

If you want to check for confirmation: Again you can check its presence by typing command diskutil list in terminal.app.