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Mountain Lion to El Capitan Importing issues

Hi, I am New to this forum and not too familiar with diagnosing computers or much of the terminology so I will do my best to make sense.


I have a mid 2012 MBP 15" with 2.3 I7 4gigs of ram, 500gig HD, Nvidia GT650m discrete graphics card. I have been running Mountain Lion since I purchased it new in 2013. Generally its been running well and did so up to a year ago when I started having issues with safari and web sights freezing so I have been having to refresh a lot. Weary about the idea of upgrading to Mavericks and Yosemite I kinda just kept using Mt. Lion. until now when I finally upgraded (after backing up) to El Capitan. Generally everything is working well except Importing Video with Photos and I Movie. There seems to be a lag in the playback that wasn't apparent in Iphoto or Imovie under Mt. Lion. Also when I am using Photos the computer seems to be much hotter than when I used I photo. Also the activity monitor is showing high CPU percentages, like 200-300% just playing back the video. I have an external with my old Mt.Lion set up and when I play the same video in Iphoto it uses only 10-20%.


Is photos that much more of a CPU draw or is this pointing to some issue with the install or hardware compatibility? Anyone else having this issue?

MacBook Pro, OS X El Capitan (10.11)

Posted on Oct 2, 2015 5:21 PM

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2 replies

Oct 3, 2015 7:52 AM in response to Snale1973

Try a restart.


Do a backup, using either Time Machine or a cloning program, to ensure files/data can be recovered. Two backups are better than one.


Try setting up another admin user account to see if the same problem continues. If Back-to-My Mac is selected in System Preferences, the Guest account will not work. The intent is to see if it is specific to one account or a system wide problem. This account can be deleted later.


Isolating an issue by using another user account


If the problem is still there, try booting into the Safe Mode using your normal account. Disconnect all peripherals except those needed for the test. Shut down the computer and then power it back up after waiting 10 seconds. Immediately after hearing the startup chime, hold down the shift key and continue to hold it until the gray Apple icon and a progress bar appear. The boot up is significantly slower than normal. This will reset some caches, forces a directory check, and disables all startup and login items, among other things. When you reboot normally, the initial reboot may be slower than normal. If the system operates normally, there may be 3rd party applications which are causing a problem. Try deleting/disabling the third party applications after a restart by using the application un-installer. For each disable/delete, you will need to restart if you don't do them all at once.


Safe Mode - About


Safe Mode - Yosemite

Mountain Lion to El Capitan Importing issues

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