I’ve run onyx, disk utility multiple times. Also creating a new user account does not make a difference. Again, more than once a week really if I’m honest. But I have hard shut down 3 times the past 2 days. I don’t know what to look for in the logs/console to find out why it is doing this/when it does it. Can i reinstall using pacifist and if I do, would it work/help? We don’t have access to very fast internet being in rural craphole south redstate usa, so it would take reinstall over internet at least 12 hours, i just can’t do that, and there’s no guarantee it would finish much less work. Etrecheck says the performance is excellent but it’s not - not consistently. It freezes & stalls/beachballs all the time. (i bought it brand new 8 months ago) Ever since the updates beginning in january, it has just gotten worse. I am having to hard restart my iMac 27in 5k running 10.11.6 at least once a week, many times more often than that. If you have your own experience to share here, please do so.
Apparently macOS 10.11.6 is now in advanced beta-testing let’s hope that contains the fix. My working conclusion is that these random freezes are the result of a kernel or other low-down component, and were introduced in the 10.11.4 update. Usually when I have performed any cleaning operation such as those it seems to precipitate an earlier freeze, within, say, twelve hours, as if to remind me of my inability to fix the problem.Īs uninstalling OS X Server did not help, I have today installed the 10.11.5 Combo updater, but feel sure that that will not make the blindest bit of difference either. Neither has made the slightest bit of difference. I have sanitised /System/Library and /Library by hand, and my latest ploy was to uninstall OS X Server, which appears to cause problems for some.
#Ccleaner for mac os 10.12.2 pro#
I have also run TechTool Pro and ATOMIC (a specialised memory test tool), and DriveDx, and there are no hardware faults detected. Each time it has reported the tests complete normally. Every week or two I restart it into hardware test/diagnostic mode (with a wired keyboard and mouse) and check the hardware out. When it restarts in front of my eyes now, I hold the Command and R keys to enter Recovery mode, and run First Aid in Disk Utility just to be safe. Whatever is causing this freezing seems sudden, and so catastrophic to the kernel that it stops the Mac dead in the water, without it even writing a farewell in the logs. At least it has automatically restarted on each occasion, and has never needed my intervention. Sometimes there are no log entries for several minutes before the freeze occurs, and the only record seen is of the automatic restart afterwards. Its logs are of no use in identifying the cause. It has not, so far, frozen when being woken. Since then I have let it sleep, so now it more commonly freezes when in use. Recently, when I stopped it from sleeping, it most commonly froze during the small hours of the morning, between 01, and when I got up I would find it sat at the login screen, waiting for me like a faithful dog. I cannot recall it keeping going for as long as a week, since I updated to 10.11.4 back in March 2016, although prior to that it had been as rock solid as my previous iMac.įreezes can occur at any time.
Since I updated to 10.11.5, this iMac17,1 has continued to freeze unpredictably, at a rate of once every 1-5 days. I have run out of ideas as to what to try next, apart from switching to a different Mac.
I’m now coming to the end of week fifteen of my struggle to keep macOS 10.11.4 then 10.11.5 running on my iMac without it sporadically freezing.
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