Hundreds of MacBook Pro Users Reporting System Freezes After Installing OS X 10.11.4

Rafia Shaikh
Posted May 13, 2016
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A number of MacBook Pro owners have reported experiencing system freezes after upgrading their machines to the latest OS X El Capitan 10.11.4 update.

Users hit by system freezes after the latest OS X 10.11.4 update

The issue was first reported by the folks at MacRumors, who claim that a large number of MacBook Pro users running the latest version of OS X El Capitan are complaining about unresponsive systems, forcing them to hard reboot their MacBooks. The problem is mostly affecting those using the 13-inch Retina MacBook Pro (early 2015).

Hundreds of MacRumors forum members have been posting to a dedicated thread to discuss the issue, which spans 20 pages at the time of writing. The problem appears to be concentrated on 13-inch Retina MacBook Pros (Early 2015) running 10.11.4. Users report that their system becomes totally unresponsive at seemingly random times, with no way to regain access to their Mac other than to force a hard reboot.

While this annoying freezing bug is concentrated on the 13-inch model, some 15-inch MacBook Pro (mid 2015) models are also affected by this issue. The same issue is also being reported after installation of OS X 10.11.5 Public Beta 1. Crash logs have pointed to a potential bug in system framework or Intel Graphics driver, but we are yet to see a fix coming our way. It is believed that Apple is aware of the issue, and the company is soon expected to offer an official workaround to fix OS X 10.11.4 system freeze issue.

The issue was reported on March 25, four days after the release of OS X El Capitan 10.11.4, and since then hundreds of MacBook Pro owners have complained about the problem.

Ever since I updated to the final 10.11.4 my macbook completely freezes in Safari and other apps at random times, about once a week.
It usually happens when I click on a link, switch tabs, go back one page, etc. The cursor freezes, the screen freezes, the keyboard…it becomes absolutely unresponsive, even the trackpad loses it’s force touch and you can’t feel the feedback vibration, the only thing that is still responsive is the caps lock light.

It never recovers from the freeze on its own and the only way out is to force shutdown. […]
I don’t have any extensions installed in Safari, and flash is disabled. – [User report]

I have experienced this issue on my 13-inch Retina MacBook Pro, and similar to the above report it mostly happens when you switch tabs or click on a link (in Safari). However, in my case, the system becomes responsive again after 10-20 seconds without needing a hard reboot. Are you facing similar issues on your MacBook Pro after installing the latest OS X 10.11.4 update? Don’t forget to let us know and more importantly, report to Apple.

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