Mac running slow after mountain lion upgrade

This site uses Akismet to reduce spam. Learn how your comment data is processed. Unless you bought a retina display mac, in which case you are SOL. Awesome machines other than the lack of upgrade and battery replacement options though. Re Same goes for unused preference files imho.

My main culprit was GeekTool. A calendar geeklet I was using was set to refresh every 0 seconds! As soon as I changed it to every seconds, the machine was suddenly snappy again. On my iMac, you can hear the hard disk running constantly.

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This is a great and helpful article, but 9 might be better off as 1 or 2 since this happens no matter what and can be the most annoying. Do a fresh install i instead of upgrade, if you have a rpm hardrive replace with a rpm , save your data songs, videos, etc on separate partition and avoid as possible install too much programs that runs services on background. I think the OS itself has performance issues.

And in case you think my Internet coonexion is to blame, 50 of these 88s we had the default Safari list of recent items, ie it had not even been as far as clearing the screen. During thaat time, trying to switch input languages by clicking on the little flag caused no visible response for 12s. Snow Leopard was a really lean and mean OS.

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Mountain Lion, like Lion, is a real pain to use. Tried on three different Macs with the same result. This though, you do not know. Google it. Do any of you have done this? A simple Google search should provide plenty of guides and information. Good luck! I think this article left out I never should have upgraded from Snow Leopard. Thanks, it seems simple.

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Any way, as pointed in teh post above, once spotlight finished indexing about 4 hours , my Mac is up and running even faster. Tags Mountain Lion Speed up tips. You may also like. Making each charge last longer 5 months ago.

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OS X How to change the name of any Mac account 10 months ago. This might also apply to games, but I haven't really tested that yet. As said by almost everyone, Safari is notably faster to, no scrolling problems whatsoever.

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And last but not least is XCode, which builds faster than I remember and doesn't really seem to slow my Mac down anymore. I don't see anything that is much faster except Safari , but I don't see anything slower either.

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Chrome lags scrolling sometimes but I guess that's just a Chrome issue. QuickTime makes my computer slow though when recording the screen it didn't do that in Snow Leopard. I don't think Mountain Lion would slow up your machine, and as others have said Apple has had more time to tune its performance so if anything it is probably faster than Lion. I have an early iMac with 2.

I have been running lion since it was released last year. I upgraded to mountain lion yesterday and am very happy with the upgrade because, surprisingly, it has actually increased the speed and performance of my computer. The speed I lost from Snow Leopard seems to have returned with Mountain lion.

Faster - I have three macs and I've always found Lion to be quite a bit more resource heavy, hence slower, than snow leopard enough to be annoying at least. Over the last month everything is running as fast as it was until I run iPhoto. Then the fan starts running overtime, the battery goes flat quickly and everything is slow to respond. I have to reboot before the computer recognizes that iPhoto is no longer running. It is also very hot at this time. On my 24inch Mac which I upgraded from Lion, it is running just as well as before, which was new.

1. Not Enough Memory (RAM)

I upgraded my work MacBook Pro 15" Late , 2. Remember too that OS upgrades aren't irreversible; use the still-awesome Carbon Copy Cloner or similar to make a complete and bootable snapshot of your system as-is; upgrade; decide if you like the new features and performance.. Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count.

Would you like to answer one of these unanswered questions instead? Home Questions Tags Users Unanswered. Will Mountain Lion make an older computer run faster or slower? Ask Question. I'm especially interested in what people using a retina Macbook Pro have to say! Posting what your Mac's model is, how much RAM it has etc.

As the OP I approve all edits that have been made. Truthfully it's not actually my computer that I'm asking about, but "my" in the sense of "someone who may be using an older machine and is concerned about updating to Mountain Lion". We have a few questions about performance with Lion , I see no reason to close or delete a question about performance with older, lower end computers running Mountain Lion. Safari stands out the most in terms of noticeable speed improvements.

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Bryan Luby Bryan Luby 4, 1 17 Start-up time for all applications has improved by a factor of 10, especially for Safari and iTunes. I used to click an application icon and wait for 10 to 30 seconds, now it opens immediately. Obviously, Apple OS X engineers have worked hard to tune and optimise Please, what model? RAM and other specifications? I'm also running it on my MacBook Air 1. Thanks, both models seem relatively high end.

Please don't be offended by the vote down, I think people have simply overlooked the low end point of the question. Just wondering, are you some type of moderator? These answers about newer hardware could be useful to others. Therefore, I have up voted this answer.

All users are some kind of moderator — that's what keeps the site working.