Mountain lion very slow

I just installed the mountain lion on my macbook pro, lion had before, the team made ​​me very slow, when I play youtube or videos the videos are cut. The i7 processor and 4g memory I have. Believe it should work fine.

First, back up all data immediately, as your boot drive might be failing.
There are a few other possible causes of generalized slow performance that you can rule out easily.
If you have many image or video files on the Desktop with preview icons, move them to another folder.
If applicable, uncheck all boxes in the iCloud preference pane.
Disconnect all non-essential wired peripherals and remove aftermarket expansion cards, if any.
Otherwise, take the steps below when you notice the slowdown.
Step 1
Launch the Activity Monitor application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Activity Monitor in the icon grid.
Select the CPU tab of the Activity Monitor window.
Select All Processes from the menu in the toolbar, if not already selected.
Click the heading of the % CPU column in the process table to sort the entries by CPU usage. You may have to click it twice to get the highest value at the top. What is it, and what is the process? Also post the values for % User, % System, and % Idle at the bottom of the window.
Select the System Memory tab. What values are shown in the bottom part of the window for Page outs and Swap used?
Next, select the Disk Activity tab. Post the approximate values shown for Reads in/sec and Writes out/sec (not Reads in and Writes out.)
Step 2
If you have more than one user account, you must be logged in as an administrator to carry out this step.
Launch the Console application in the same way you launched Activity Monitor. Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.
Select the 50 or so most recent entries in the log. Copy them to the Clipboard (command-C). Paste into a reply to this message (command-V). You're looking for entries at the end of the log, not at the beginning.
When posting a log extract, be selective. Don't post more than is requested.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some personal information, such as your name, may appear in the log. Anonymize before posting. That should be easy to do if your extract is not too long.

Similar Messages

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    Must have been bad hardware would be my guess. That's the problem with vendors though. Windows really isn't the issue if you have the right hardware. It's like a Mac, really.
    The problem is that PC vendors have a tendency to rush their machines out with bad chipsets and a mish-mash of conflicting hardware. Take Vista for example. Besides the fact that it was a resource hog out of the box, there was really nothing wrong with it.
    Vendors on the other hand, rushed their PCs out without the proper hardware to run it in order to sell, sell, sell, which is what gave it a bad name. So yeah, people had issues. It also suffered the same issues as Lion and ML right now due to the fact that it wouldn't run on older machines and there was an uproar in the online community--sounds familiar enough to me.
    Oddly enough, even macs are running at the same specs as Windows today. 
    The majority of issues people tend to have is more with their PCs than with Windows and they have a tendency to blame Windows because of this without realising that MS develops software; not hardware (xbox aside). Whereas Apple develops both.
    Millenium was terrible though--I won't deny that.
    OSX may appear to work better, but that's because everything is designed to work together and we pay a premium for it because of the quality control on the machine. I can't help but feel that Apple takes a little more pride in their machines then PC Vendors do. In fact, Windows probably runs better on my Macbook Pro than it does on my PCs. I use it for very little these days though. I happen to like OSX and I'm addicted to the App Store.
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    First, back up all data immediately, as your boot drive might be failing.
    There are a few other possible causes of generalized slow performance that you can rule out easily.
    Reset the System Management Controller.
    If you have many image or video files on the Desktop with preview icons, move them to another folder.
    If applicable, uncheck all boxes in the iCloud preference pane.
    Disconnect all non-essential wired peripherals and remove aftermarket expansion cards, if any.
    Check your keychains in Keychain Access for excessively duplicated items.
    Boot into Recovery mode, launch Disk Utility, and run Repair Disk.
    Otherwise, take the steps below when you notice the problem.
    Step 1
    Launch the Activity Monitor application in any of the following ways:
    ☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
    ☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
    ☞ Open LaunchPad. Click Utilities, then Activity Monitor in the icon grid.
    Select the CPU tab of the Activity Monitor window.
    Select All Processes from the menu in the toolbar, if not already selected.
    Click the heading of the % CPU column in the process table to sort the entries by CPU usage. You may have to click it twice to get the highest value at the top. What is it, and what is the process? Also post the values for % User, % System, and % Idle at the bottom of the window.
    Select the System Memory tab. What values are shown in the bottom part of the window for Page outs and Swap used?
    Next, select the Disk Activity tab. Post the approximate values shown for Reads in/sec and Writes out/sec (not Reads in and Writes out.)
    Step 2
    If you have more than one user account, you must be logged in as an administrator to carry out this step.
    Launch the Console application in the same way you launched Activity Monitor. Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
    View ▹ Show Log List
    from the menu bar.
    Select the 50 or so most recent entries in the log. Copy them to the Clipboard (command-C). Paste into a reply to this message (command-V). You're looking for entries at the end of the log, not at the beginning.
    When posting a log extract, be selective. Don't post more than is requested.
    Please do not indiscriminately dump thousands of lines from the log into this discussion.
    Important: Some personal information, such as your name, may appear in the log. Anonymize before posting. That should be easy to do if your extract is not too long.

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    I have seen so much response about the Mountain Lion update slowing down computers.  I am updating from Mac OS x 10.6.8.  What can I do to ensure the upgrade will go fine?  Do I unplug my external hard drive before installing, or keep it plugged in?
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    Welcome to Apple Support Communities
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    Lion very slow starting apps with Firewire 800 drive mounted.
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    Long shot: What format is the drive?
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    TD

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  • Mountain Lion and Lion very slow on Macbook 13' 2010 Middle

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    Overall, the system response is very slow, and lagging.
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    I work at a company that has purchased literally 100s of Macintoshes, and my IT department has never seen anything like this. It's crazy.
    Terrible operating system. I hope someone has a solution. What a waste of money. Oh, yes, and it is always indexing, yet never finding anything.
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  • Mountain Lion extremly slow on Macbook Pro

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    Look at Thomas A Reed's Understanding Upgrade Nightmares article http://www.reedcorner.net/understanding-upgrade-nightmares/ and make sure all apps are compatible with Mountain Lion by using www.roaringapps.com. Using both of these you should be able to diagnose your individual problem and get i fixed.

  • Mountain Lion OSX slow response after upgrade from Lion

    I have issues now to open Microsift Outlook Mail application as it is very slow in opening and all this is after install OSX ML only, frustrating time again

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  • Why is mountain lion so slow compared to snow leopard?

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    Running iMac and Macbook Pro and both are the same in really slow performance.

    OK, been a busy week but I've installed RAM.
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  • Download of Mountain Lion too slow - why?

    I have just bought Mountain Lion from the App Store and for some reason it is taking a very long time to download to my Macbook Pro 10.6.8. It has been more than an hour an it is still at less than approx 1/4 of the way! How long does it usually take? my internet connection is fast and working just fine.
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    Thanks mackack,
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  • Previewing audio in Mountain Lion is slow and choppy

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  • Mountain lion update slowed down my macbook pro

    hey guys,
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    If any of u r experiencing same problems or know how to fix it please kindly let me know!
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    Have tried everything possible, repairing permissions etc to no avail.
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    In fact, this may be one of the smoothest upgrades I've seen in a while.  (Boy-oh-boy, you should have seen the screaming here for the Snow Leopard and Lion upgrades!  It's positively peaceful in this forum compared to that.)

  • OS X Mountain Lion running slow

    My copy of OS X Mountain Lion is running really slow, even though I did a clean install (it takes System Preferences 1 bounce or more and then like 5 seconds (after the bounce(s)) to launch – in snow leopard, it was instantaneous). However, what I did during the clean install was a complete restore with time machine. Would it be wise to reinstall the applications manually? I'm thinking of copying all of my apps to an external drive, reinstalling OS X, restoring my files via Time Machine, and copying the apps over manually.
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    Thank you in advance

    Open > http://www.reedcorner.net/understanding-upgrade-nightmares/

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