How to upgrade my Macbook Pro RecoveryOS?

A few months ago, I upgraded to OS X El Capitan. It has been mostly well except for the Protection of the integrity of system (SIP) always so annoying feature. Since I've updated, I found that my boot rEFInd Manager now does not appear at startup, actually, preventing me to boot into my linux partition.

Just as important, I can not add my unique Esperanto to PressAndHold.app characters because SIP doesn't let me change file permissions. In addition, SIP cannot be disabled because my RecoveryOS is too old for some reason any! According to the profile subject, I have version 1.0 of the RecoveryOS. In order for me to run csrutil disable I must run RecoveryOS version 2.0.

I am running the latest version of OS X El Capitan (10.11.1), so I don't know why the RecoveryOS did not update during the installation. I have a Mid 2012 15 "Macbook Pro (no Retina Display, identifier (9.1) 2.3 GHz Intel Core i7, 16 GB 1600 MHz DDR3 RAM, a 512GB SSD Samsung Pro 850 and NVIDIA GeForce GT 650 M 512 MB graphics card). Please specify anything in the comments. Thank you.

To update the recovery system, you will need to reinstall OS X, you can do either in recovery recovery Internet if your model is compatible with it.

Tags: Mac OS & System Software

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