Why My Mac OS X El Capitan doesn’t boot up after update?

On all Apple forums, online Apple communities, and online searches, it is common to find a perplexing and irritating query: “Why My Mac OS X El Capitan doesn’t boot up after update?” Almost every Mac user, who has already updated OS X El Capitan come across this common problem, likes to visit Apple support center, search for right help from various online channels, or go online to find the right resolution to the same unsolved riddle.

The 12th major release of OS X for Mac computers, OS X El Capitan saw the light of the day on September 30, 2015. Since then, many Apple users have complained of Mac refusal to finish booting after updating to OS X EL Capitan. If you are one of millions users, it is likely that you may be facing the same situation of Mac doesn’t boot and it stalls on gray screen with an Apple logo. If you are a Mac user who has updated OS X El Capitan and is passing from the same headache, then it is time to bid adieu to the common issues with following recommended steps that are supposed to help you eliminate the problem from its root. Mac OS X El Capitan support


Before you make yourself ready to kick the issue out, just perform the following steps:

  • Go in Safe Mode by turning on your Mac. When you hear the start up sound, just press and hold the Shift key until the Apple logo is made visible.
  • Also check low disk space warnings to start computer with no hassles.
  • Don’t forget your Mac should have at least 9 GB of free space.
  • Reset NVRAM by turning off your Mac. Then, press and hold the Command-Option-P-R keys after you hear the start up sound. When you hear the second startup sound release the keys, it will make your computer restart.  Phone number for mac support

It is expected that these moves will solve your Mac not booting issues. But you also need to go through the following steps to fix the problem:

  • First of all, open Terminal in /Applications/Utilities.
  • Enter “system_profiler SPExtensionsDataType > ~/Desktop/kextList.txt” without the quotes and press the return option.
  • Open the kextList.txt file on your desktop and press both the “Apple(Command)” and “F” keys to raise  the find.
  • In the find field, simply place in “Obtained from: Not Signed” Copy the destination to the .kext file to a list for use later.
  • Then, browse your drive to /System/Library/Extensions and remove any of the unsigned kext files. Http://Mac-Technical-Support.com
  • Finally, reboot and you get everything all set.

With these mentioned-above steps, it is probable you will find the answer for the question: “Why My Mac OS X El Capitan doesn’t boot up after update?”

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