It turns out that there was an issue with a 3rd party application.After removing the first shutdown will require sudo shutdown -r now from the terminal or press and hold the power button.
Pro-Tools-12-5-2-Downloads. Also, will I need to reinstall this core audio plugin Seems a bit weird to just delete it. Check to see if you have any updates pending that require a restart. All desktop items and menu bar would disappear when I tried to shutdown, but the dock stayed and machine would never shut down. However, I could shut down by going to the Login Screen and clicking on ShutDown there. Tried all the usual resets, starting and shutting down in Safe Mode, etc. After reading all the posts I could find, and trial and error, I discovered it was my fault. I had deleted application files (in my case, CiscoVPN) from my hard drive, without doing the uninstall process. Upgrading To Os X El Capitan Mac Still HadI finally noticed that the iMac still had CiscoVPN as a startup item (Apple menu About This Mac System Report Software Startup items). I was lucky that the Cisco website included explicit instructions for removing CiscoVPN from Startup. I copypasted the lines from the Cisco instructions into Terminal, restarted the computer, and now it shuts down normally and quickly. Note that I dont believe CiscoVPN had a problem - it just happened to be the thing my iMac was looking for on startup and was probably still looking for it when I tried to shutdown. So check your startup items and make sure that if something is there, the application is also in your machine. Something I have installed either needs updating or has become corrupt and I cant work out what it is. When you want to shut down, first close all open programs. Then BEFORE you choose shut down, choose FORCE QUIT Finder. When Finder starts itself again you should be able to shut down as normal without having to hold the power key down ( as I have been for months). Bizarrely, none of the macbooks around the office seem to be exhibiting this. The reputation requirement helps protect this question from spam and non-answer activity. Not the answer youre looking for Browse other questions tagged imac macos. This site is not affiliated with or endorsed by Apple Inc.
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