Q: El Capitan is slow???
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Oct 13, 2015 10:34 AMby donrt,I tracked down the performance issues as having something to do with external backup drives. Either the Thunderbolt display or something else. Since removing the external backup drives, performance is back up to par. Saving a file as a new file improved some performance aspects. It runs great now most of the time.
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Oct 19, 2015 11:48 AMby foxmajik,Apple does this thing where after your battery reaches a certain age or a certain number of charges they underclock your CPU by abusing Intel's SpeedStep functionality.
This is why the batteries are non-replaceable. Apple isn't a charity organization.
Here's how to disable it: http://www.rdoxenham.com/?p=259
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Oct 19, 2015 12:05 PMby Xenio,My Mac Mini 2014 was ok with Yosemite, now on El Capitan is running very slow, looks like the hard drive is always looking for something (it remember me when I was on Microsoft Windows :(((( ). I have already cleared Nvram, smc, disabled SIP, disabled Spotlight, reenabled spotlight, reindexed the hard disk, cleared cache, created a new user, updated El Capitan with all the latest beta release 10.11.1. Nothing works, I think that if you have an SSD you can really notice the differences, but with a mechanical disk El Capitan respond very slow compared to Yosemite. I think I will downgrade to Yosemite.
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Oct 19, 2015 1:34 PMby Allan Eckert,Working two problems in the same thread is a good way to get everyone confused.
If there is a thread you think is important link to it from your own thread.
Besides if you start a thread you can award point to those who help you and close it by marking it solved. Whereas you can do none of that on this thread.
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Oct 21, 2015 10:31 PMby mikelach2,Curious how you determined El Cap is slow due to the number of external drives. My El Cap is slow on an early 2009 iMac with 8 GM RAM, and I have a bunch of external drives (most FireWire, some USB), but I didn't suspect that the slowness was a function of the number of external drives.
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Oct 22, 2015 5:56 AMby andrewfromquakertown,GO into system preference, security & privac, click on FileVault...
I'll bet there is a status bar showing it's encrypting.
that was a default selection when it set up your computer after installing "El Capitan"…
i suspect everything is going to be slow until it is done.
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Oct 22, 2015 6:04 AMby donrt,I started unplugging drives. Notice "andrewfromquakertown" below. I believe this was one of the issues. The other was the indexing of the drives. Now that all the drives have been indexed and I suppose encrypted, the issue isn't present. I have a 4Tb drive that causes slowness when plugged in. This drive is used with a "Time Machine" backup and many other items. I believe it is updating the index when it is plugged in. Having dropbox, one drive, etc. hooked up as well external drives all contributed to the spinning pinwheel when El Capitan. Also, the "fire vault" encryption as mentioned.
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Oct 23, 2015 6:10 AMby andrewfromquakertown,You can disable it and it won't have any ill effects on the operation of your computer, HOWEVER, it's likely to be slow while it Decrypts what it has already encrypted. So if it's more than half way through the process, you may as well let it finish. If somebody hasn't upgraded yet, they may want to deselect those check boxes when they pop up during the initial restart.
Once the process finished (took all day for me), my 2 Macs running it are plenty fast. It also turned off the "dashboard" feature which can be turned back on in the system preferences..
