Why is my iMac much slower after installing Mavericks. Windows open slowly and Apps load slowly.

Everything seems to be taking much longer. I have a late-2012 iMac with 32 GB of RAM that was blazing fast until I "upgraded" to Mavericks. Now everyithing is slow. Does it use more system resources? I would think that with that much RAM I would have plenty of headroom for the OS. Is anyone else experiencing this?

Here's my suggestion:
Fixing a Mavericks Installation Problem
How to manage a failed OS X Mavericks installation | MacFixIt - CNET Reviews.
1. Intel-based Macs: Resetting the System Management Controller (SMC).
2. Repair the Hard Drive and Permissions - Lion/Mountain Lion/Mavericks
Re-download and reinstall Mavericks.
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion/Mountain Lion/Mavericks: Select Reinstall Lion/Mountain Lion/Mavericks and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

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  • System slow after install Mavericks

    I have an older Mac that became slow after installing Mavericks.  I read a couple of discussions on here and found out about etre check.  I downloaded it and ran it, and I am hoping one of the experts on here will be able to help me.  Here are the results:
    Hardware Information:
              iMac (24-inch, Early 2009)
              iMac - model: iMac9,1
              1 2.66 GHz Intel Core 2 Duo CPU: 2 cores
              4 GB RAM
    Video Information:
              NVIDIA GeForce 9400 - VRAM: 256 MB
    Audio Plug-ins:
              BluetoothAudioPlugIn: Version: 1.0
              AirPlay: Version: 1.9
              AppleAVBAudio: Version: 2.0.0
              iSightAudio: Version: 7.7.3
    Startup Items:
              HP IO - Path: /Library/StartupItems/HP IO
              HP Trap Monitor - Path: /Library/StartupItems/HP Trap Monitor
              Oplmgr - Path: /Library/StartupItems/Oplmgr
    System Software:
              OS X 10.9 (13A603) - Uptime: 0 days 0:5:4
    Disk Information:
              WDC WD6400AAKS-40H2B0 disk0 : (640.14 GB)
                        EFI (disk0s1) <not mounted>: 209.7 MB
                        Macintosh HD (disk0s2) /: 589 GB (114.52 GB free)
                        Recovery HD (disk0s3) <not mounted>: 650 MB
                        BOOTCAMP (disk0s4) /Volumes/BOOTCAMP: 50.27 GB (34.91 GB free)
              OPTIARC DVD RW AD-5670S 
    USB Information:
              Apple Inc. Built-in iSight
              Seagate FA GoFlex Desk 3 TB
                        disk1s1 (disk1s1) <not mounted>: 209.7 MB
                        FreeAgent GoFlex Drive (disk1s2) /Volumes/FreeAgent GoFlex Drive: 3 TB (1.09 TB free)
              Apple Inc. Keyboard Hub
                        Logitech USB Trackball
                        Apple Inc. Apple Keyboard
              Apple Computer, Inc. IR Receiver
              Apple Inc. BRCM2046 Hub
                        Apple Inc. Bluetooth USB Host Controller
    FireWire Information:
    Thunderbolt Information:
    Kernel Extensions:
              com.Logitech.Control          Center.HID
              com.logmein.driver.LogMeInSoundDriver          (1.0.2)
              com.Cycling74.driver.Soundflower          (1.5.2)
    Problem System Launch Daemons:
    Problem System Launch Agents:
    Launch Daemons:
              [loaded] com.adobe.fpsaud.plist
              [not loaded] com.logmein.logmeinblanker.plist
              [loaded] com.logmein.logmeinserver.plist
              [loaded] com.logmein.raupdate.plist
              [loaded] com.microsoft.office.licensing.helper.plist
              [loaded] com.splashtop.streamer-daemon.plist
              [not loaded] com.teamviewer.teamviewer_service.plist
    Launch Agents:
              [loaded] com.Logitech.Control Center.Daemon.plist
              [failed] com.logmein.LMILaunchAgentFixer.plist
              [loaded] com.logmein.logmeingui.plist
              [loaded] com.logmein.logmeinguiagent.plist
              [not loaded] com.logmein.logmeinguiagentatlogin.plist
              [not loaded] com.splashtop.streamer-for-root.plist
              [loaded] com.splashtop.streamer-for-user.plist
              [not loaded] com.teamviewer.teamviewer.plist
              [not loaded] com.teamviewer.teamviewer_desktop.plist
    User Launch Agents:
              [loaded] com.adobe.ARM.[...].plist
              [loaded] com.akamai.client.plist
              [loaded] com.akamai.single-user-client.plist
              [failed] [email protected]
              [loaded] com.google.Chrome.framework.plist
              [failed] com.google.GoogleContactSyncAgent.plist
              [loaded] com.google.keystone.agent.plist
    User Login Items:
              Palm Desktop Background
              Transport Monitor
              iTunesHelper
              SplashtopRemote
              Volume_1
              Music Manager
              HPEventHandler
              HP Scheduler
    3rd Party Preference Panes:
              Akamai NetSession Preferences
              Citrix online plug-in
              Flash Player
              Flip4Mac WMV
              Logitech Control Center
              MusicManager
    Internet Plug-ins:
              AdobePDFViewer.plugin
              AdobePDFViewerNPAPI.plugin
              CitrixICAClientPlugIn.plugin
              Default Browser.plugin
              Flash Player.plugin
              FlashPlayer-10.6.plugin
              Flip4Mac WMV Plugin.plugin
              GarminGpsControl.plugin
              iPhotoPhotocast.plugin
              JavaAppletPlugin.plugin
              LogMeIn.plugin
              LogMeInSafari32.plugin
              LogMeInSafari64.plugin
              QuickTime Plugin.plugin
              SharePointBrowserPlugin.plugin
              Silverlight.plugin
    User Internet Plug-ins:
              Move-Media-Player.plugin
    Bad Fonts:
              None
    Time Machine:
              Skip System Files: NO
              Auto backup: YES
              Volumes being backed up:
                        Macintosh HD: Disk size: 589 GB Disk used: 474.48 GB
              Destinations:
                        FreeAgent GoFlex Drive [Local] (Last used)
                        Total size: 3 TB
                        Total number of backups: 116
                        Oldest backup: 2011-08-10 07:34:13 +0000
                        Last backup: 2013-11-15 06:32:36 +0000
                        Size of backup disk: Excellent
                                  Backup size 3 TB > (Disk size 589 GB X 3)
              Time Machine details may not be accurate.
              All volumes being backed up may not be listed.
    Top Processes by CPU:
                  21%          backupd
                   7%          kextd
                   3%          mds
                   2%          WindowServer
                   2%          Finder
                   1%          coreservicesd
                   1%          mds_stores
                   1%          EtreCheck
                   1%          MusicManagerHelper
                   0%          firmwaresyncd
    Top Processes by Memory:
              119 MB             com.apple.IconServicesAgent
              115 MB             mds_stores
              45 MB              Finder
              45 MB              Dock
              41 MB              ocspd
              41 MB              mds
              29 MB              MusicManagerHelper
              29 MB              WindowServer
              29 MB              CalendarAgent
              29 MB              Splashtop Streamer
    Virtual Memory Statistics:
              1.91 GB            Free RAM
              1.01 GB            Active RAM
              353 MB             Inactive RAM
              504 MB             Wired RAM
              253 MB             Page-ins
              0 B                Page-outs
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    http://kb.hpwebos.com/wps/portal/kb/common/article/5916_en.html
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    The Launch Daemons and Launch Agents are 'system level, with your own user version too  - User Launch Agents.
    I would clean out the failed background job…
              [failed] [email protected]
    It will be stored at…
    ~/Library/LaunchAgents/[email protected]
    Use the Finders 'Go Menu > Go to Folder…' to open the hidden ~/Library & look in the LaunchAgents folder for the .plist & delete it.
    Reboot for the Startup items to be unloaded.

  • After installing Mavericks my MacBook Pro and my MacMini can't shut down, only a grey screen and finish. Must be killed by the power button. Why?

    After installing Mavericks my MacBook Pro and my MacMini can't shut down, only a grey screen and finish. Must be killed by the power button. Why?
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  • Mail app quits when opened after installing Mavericks. I reinstalled and still the same. I noticed the mail app icon has not changed to the new icon in Mavericks. Any suggestions?

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  • Why system is very slow after installing Mavericks

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    ☞ 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.
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    SYSTEM LOG QUERIES ▹ All Messages
    from the log list on the left. If you don't see that list, select
    View ▹ Show Log List
    from the menu bar at the top of the screen.
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  • Early 2011 MacBook Pro incredibly slow after installing Mavericks

    I'm really hoping someone can help me out. As per the subject line, I installed Mavericks on day one (and learned my lesson!).
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    I spotted other people advise running EtreCheck, here are my results:
    Hardware Information:
              MacBook Pro (13-inch, Early 2011)
              MacBook Pro - model: MacBookPro8,1
              1 2.3 GHz Intel Core i5 CPU: 2 cores
              4 GB RAM
    Video Information:
              Intel HD Graphics 3000 - VRAM: 384 MB
    System Software:
              OS X 10.9.1 (13B42) - Uptime: 0 days 0:13:54
    Disk Information:
              Hitachi HTS545032B9A302 disk0 : (320.07 GB)
                        EFI (disk0s1) <not mounted>: 209.7 MB
                        Macintosh HD (disk0s2) /: 319.21 GB (33.32 GB free)
                        Recovery HD (disk0s3) <not mounted>: 650 MB
              MATSHITADVD-R   UJ-8A8 
    USB Information:
              Apple Inc. FaceTime HD Camera (Built-in)
              Apple Inc. Apple Internal Keyboard / Trackpad
              Apple Inc. BRCM2070 Hub
                        Apple Inc. Bluetooth USB Host Controller
              Apple Computer, Inc. IR Receiver
    FireWire Information:
    Thunderbolt Information:
              Apple Inc. thunderbolt_bus
    Kernel Extensions:
              com.globaldelight.driver.BoomDevice          (1.1 - SDK 10.9)
              net.telestream.driver.TelestreamAudio          (1.1.0 - SDK 10.8)
    Startup Items:
              Jaksta: Path: /Library/StartupItems/Jaksta
    Problem System Launch Daemons:
              [failed] com.apple.wdhelper.plist 3rd-Party support link
    Problem System Launch Agents:
    Launch Daemons:
              [loaded] com.adobe.fpsaud.plist 3rd-Party support link
              [loaded] com.bourgeoisbits.cloak.cloakd.plist 3rd-Party support link
              [loaded] com.bourgeoisbits.cloak.cloakproxyd.plist 3rd-Party support link
              [loaded] com.google.keystone.daemon.plist 3rd-Party support link
              [loaded] com.macpaw.CleanMyMac2.Agent.plist 3rd-Party support link
    Launch Agents:
              [loaded] com.amazon.sendtokindle.launcher.plist 3rd-Party support link
              [loaded] com.google.keystone.agent.plist 3rd-Party support link
    User Launch Agents:
              [loaded] com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist 3rd-Party support link
              [loaded] com.macpaw.CleanMyMac2Helper.scheduledScan.plist 3rd-Party support link
              [loaded] com.macpaw.CleanMyMac2Helper.trashWatcher.plist 3rd-Party support link
    User Login Items:
              Boom
              PopClip
              Caffeine
              Fantastical
              AppTrap
              Dropbox
              Alfred 2
              Cloak
              ScreenFlowHelper
              Google Chrome
    Internet Plug-ins:
              o1dbrowserplugin: Version: 3.18.3.12840 3rd-Party support link
              SpeedDownload Browser Plugin: Version: 2.1.5 - SDK 10.6 3rd-Party support link
              Default Browser: Version: 537 - SDK 10.9
              Flip4Mac WMV Plugin: Version: 2.4.1.4 3rd-Party support link
              AmazonMP3DownloaderPlugin101750: Version: AmazonMP3DownloaderPlugin 1.0.17 - SDK 10.4 3rd-Party support link
              Silverlight: Version: 5.1.10411.0 - SDK 10.6 3rd-Party support link
              FlashPlayer-10.6: Version: 11.9.900.170 - SDK 10.6 3rd-Party support link
              Flash Player: Version: 11.9.900.170 - SDK 10.6 3rd-Party support link
              QuickTime Plugin: Version: 7.7.3
              googletalkbrowserplugin: Version: 3.18.3.12840 3rd-Party support link
              npgtpo3dautoplugin: Version: 0.1.44.28 - SDK 10.5 3rd-Party support link
              iPhotoPhotocast: Version: 7.0 - SDK 10.8
              JavaAppletPlugin: Version: 14.8.0 - SDK 10.9 Outdated! Update
    Audio Plug-ins:
              BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
              AirPlay: Version: 1.9 - SDK 10.9
              AppleAVBAudio: Version: 2.0.0 - SDK 10.9
              iSightAudio: Version: 7.7.3 - SDK 10.9
    User Internet Plug-ins:
              CitrixOnlineWebDeploymentPlugin: Version: 1.0.105 3rd-Party support link
              EMusic: Version: EMusic 1.0.0 3rd-Party support link
    3rd Party Preference Panes:
              AppTrap  3rd-Party support link
              Flash Player  3rd-Party support link
              Flip4Mac WMV  3rd-Party support link
              Hazel  3rd-Party support link
              Perian  3rd-Party support link
    Bad Fonts:
              None
    Old Applications:
              /Applications/iWork '09
              SLLauncher:          Version: 1.0 - SDK 10.5 3rd-Party support link
                        /Library/Application Support/Microsoft/Silverlight/OutOfBrowser/SLLauncher.app
              Attachment Tamer Helper:          Version: 3.1.2 - SDK 10.5 3rd-Party support link
                        /Users/derricksutton/Library/Mail/Bundles (Disabled)/Attachment Tamer.mailbundle/Contents/Resources/Attachment Tamer Helper.app
              Nisus Thesaurus:          Version: 1.1 - SDK 10.4 3rd-Party support link
              Amazon MP3 Downloader:          Version: INFO_PLIST_VERSION - SDK 10.4 3rd-Party support link
    Time Machine:
              Skip System Files: NO
              Mobile backups: ON
              Auto backup: YES
              Volumes being backed up:
                        Macintosh HD: Disk size: 297.29 GB Disk used: 266.26 GB
              Destinations:
                        Seagate Expansion Drive [Local] (Last used)
                        Total size: 465.44 GB
                        Total number of backups: 10
                        Oldest backup: 2013-09-21 16:05:10 +0000
                        Last backup: 2013-12-31 20:05:10 +0000
                        Size of backup disk: Too small
                                  Backup size 465.44 GB < (Disk used 266.26 GB X 3)
              Time Machine details may not be accurate.
              All volumes being backed up may not be listed.
    Top Processes by CPU:
                  28%          WindowServer
                   5%          Google Chrome
                   2%          Dock
                   1%          Fantastical
                   1%          hidd
    Top Processes by Memory:
              135 MB          Google Chrome Helper
              98 MB          mds_stores
              90 MB          Finder
              86 MB          Google Chrome
              61 MB          EtreCheck
    Virtual Memory Information:
              612 MB          Free RAM
              1.47 GB          Active RAM
              601 MB          Inactive RAM
              1.04 GB          Wired RAM
              523 MB          Page-ins
              2 MB          Page-outs

    CleanMyMac is probably your problem.
    CleanMyMac is crapware.
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    I would try to uninstall it, but if that fails, you may have to erase your HD and do a clean install.

  • Why is my iMac running slow after upgrading to Mavericks

    I have an iMac27 that up until I upgraded to Mavericks ran quite fast.  Now applications take much longer to open.  When the computer comes out of sleep mode it takes from 30 seconds to a minute to open.  All I have is a very dim grey screen and the only thing I can see is the mouse cursor.  I have checked Memory and disk space and nothing seems to be wrong using the activity monitor.  CPU 50 - 70% idle, Memory Physical 4.GB 3.97 GB used 7.07 Virtual, Memory pressure in the green, App Memory 1.47 GB, File cache 272.2 MB, Wired memory 620.5 MB, Compressed 1.63 GB.  Disk space 999.35GB capacity, 441.85 available.  When I did install Mavericks it did come back with a disk error.  Then it loaded fine.  I ran the disk utility and it found and repaired the problem.  Running it successive times since have shown no issues.
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    (A) Reset iPad
    Hold down the Sleep/Wake button and the Home button at the same time for at least ten seconds, until the Apple logo appears
    Note: Data will not be affected.
    (B) Reset all settings
    Settings>General>Reset>Reset all settings
    Note: Data will not be affected but settings will be reset.

  • After installing Mavericks my computer is running very slow, After installing Mavericks my computer is running very slow

    Two days ago I installed Mavericks to my MacBook Pro.  The computer is very, very slow. I did not have that problem before.  Also as I change between windows the whole screen is blurred with horizontal lines.  Once safari, email or another app opens up it take a few minutes before I can actually use it.  The cursor pauses like crazy.  Quite frustrating. I checked the captibality before downloading and it met all the requirements.  Help please!!

    ..Step by Step to fix your Mac
    How to revert OS X back from Mavericks

  • My iMAC sometimes freezes after installing Mavericks.

    My iMAC sometimes freezes since installing OSX Mavericks.   I have to RESTART to get computer to respond to keyboard and trackpad. Anyone experiencing similar problems?
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    You have not provided ANY useful information, please carefully read Help us to help you on these forums and then repost. Please do not leave out details.

  • After installing Mavericks, dragging files to the apps in the dock no longer works.  Getting " The Application Can't Be Found" error

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  • My imac is really slow after installing Mavericks

    I have read a number of threads on this and tried re-installing, starting in safe mode (no difference). I have run Etrecheck and here is the result:
    EtreCheck version: 1.9.12 (48)
    Report generated 10 July 2014 08:38:19 BST
    Hardware Information:
      iMac (21.5-inch, Late 2009) (Verified)
      iMac - model: iMac10,1
      1 3.06 GHz Intel Core 2 Duo CPU: 2 cores
      4 GB RAM
    Video Information:
      NVIDIA GeForce 9400 - VRAM: 256 MB
      iMac 1920 x 1080
    System Software:
      OS X 10.9.4 (13E28) - Uptime: 0 days 14:14:28
    Disk Information:
      ST3500418ASQ disk0 : (500.11 GB)
      EFI (disk0s1) <not mounted>: 209.7 MB
      Macintosh HD (disk0s2) / [Startup]: 465.35 GB (182.11 GB free)
      Recovery HD (disk0s3) <not mounted>: 650 MB
      BOOTCAMP (disk0s4) /Volumes/BOOTCAMP: 33.89 GB (20.41 GB free)
      HL-DT-ST DVDRW  GA11N 
    USB Information:
      Apple Inc. Built-in iSight
      Apple Internal Memory Card Reader
      TOSHIBA TOSHIBA USB 3.5"-HDD 500.11 GB
      EFI (disk2s1) <not mounted>: 209.7 MB
      Time Machine Backups (disk2s2) /Volumes/Time Machine Backups: 499.76 GB (9.75 GB free)
      Canon MP270 series
      Apple Computer, Inc. IR Receiver
      Genius USB Optical Mouse
      GASIA USB KB V11
      Apple Inc. BRCM2046 Hub
      Apple Inc. Bluetooth USB Host Controller
    Gatekeeper:
      Mac App Store and identified developers
    Kernel Extensions:
      [not loaded] arcana.PRAM (6.0) Support
      [loaded] com.Cycling74.driver.Soundflower (1.5.1) Support
      [not loaded] com.Wacom.iokit.TabletDriver (4.7.9) Support
      [not loaded] com.tomtom.driver.UsbEthernetGadget (1.0.0d1) Support
    Startup Items:
      ArcanaStartupSound: Path: /Library/StartupItems/ArcanaStartupSound
    Launch Daemons:
      [loaded] com.adobe.fpsaud.plist Support
    Launch Agents:
      [not loaded] com.adobe.AAM.Updater-1.0.plist Support
      [loaded] com.adobe.CS5ServiceManager.plist Support
    User Launch Agents:
      [loaded] com.adobe.AAM.Updater-1.0.plist Support
      [loaded] com.adobe.ARM.[...].plist Support
      [failed] com.akamai.single-user-client.plist Support
      [failed] com.google.GoogleContactSyncAgent.plist Support
      [loaded] com.google.keystone.agent.plist Support
      [running] com.spotify.webhelper.plist Support
    User Login Items:
      iTunesHelper
      PsstDaemon
      Radioshift Helper (2570229054)
      Rogue Amoeba Schedule Helper
      TuneSync Server
      Dropbox
      TomTomHOMERunner
      EvernoteHelper
    Internet Plug-ins:
      JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version
      FlashPlayer-10.6: Version: 14.0.0.145 - SDK 10.6 Support
      EPPEX Plugin: Version: 3.0.0.0 Support
      Flash Player: Version: 14.0.0.145 - SDK 10.6 Support
      AdobePDFViewer: Version: 9.5.5 Support
      GarminGPSControl: Version: 3.0.1.0 Release - SDK 10.4 Support
      Default Browser: Version: 537 - SDK 10.9
      QuickTime Plugin: Version: 7.7.3
      Google Earth Web Plug-in: Version: 6.1 Support
      Silverlight: Version: 5.1.20125.0 - SDK 10.6 Support
      iPhotoPhotocast: Version: 7.0
    Safari Extensions:
      Gmail Menu: Version: 1.03
      ResizeMe: Version: 1.0
      Save to Pocket: Version: 1.8.3
      Alexa Site Stats: Version: 1.1.1
      CustomSearch: Version: 1.4
      Gentle Status Bar: Version: 1.32
    Audio Plug-ins:
      BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
      AirPlay: Version: 2.0 - SDK 10.9
      AppleAVBAudio: Version: 203.2 - SDK 10.9
      iSightAudio: Version: 7.7.3 - SDK 10.9
    iTunes Plug-ins:
      Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
    User Internet Plug-ins:
      Google Earth Web Plug-in: Version: 7.1 Support
    3rd Party Preference Panes:
      Akamai NetSession Preferences  Support
      Flash Player  Support
      Growl  Support
      MacFUSE  Support
      MouseZoom  Support
      MusicManager  Support
      Pen Tablet  Support
    Time Machine:
      Mobile backups: OFF
      Auto backup: YES
      Volumes being backed up:
      Macintosh HD: Disk size: 433.40 GB Disk used: 263.79 GB
      Destinations:
      Time Machine Backups [Local] (Last used)
      Total size: 465.44 GB
      Total number of backups: 113
      Oldest backup: 2011-11-09 00:06:32 +0000
      Last backup: 2014-07-09 14:22:42 +0000
      Size of backup disk: Too small
      Backup size 465.44 GB < (Disk used 263.79 GB X 3)
      Time Machine details may not be accurate.
      All volumes being backed up may not be listed.
    Top Processes by CPU:
          3% WindowServer
          2% Dropbox
          0% fontd
          0% Google Chrome
          0% Radioshift Helper
    Top Processes by Memory:
      266 MB mds_stores
      176 MB Google Chrome
      168 MB Mail
      131 MB Finder
      72 MB Google Chrome Helper
    Virtual Memory Information:
      210 MB Free RAM
      1.23 GB Active RAM
      1.03 GB Inactive RAM
      624 MB Wired RAM
      20.57 GB Page-ins
      120 MB Page-outs
    Any help would be really appreciated!

    1. This procedure is a diagnostic test. It changes nothing, for better or worse, and therefore will not, in itself, solve the problem. But with the aid of the test results, the solution may take a few minutes, instead of hours or days.
    Don't be put off merely by the seeming complexity of these instructions. The process is much less complicated than the description. You do harder tasks with the computer all the time.
    2. If you don't already have a current backup, back up all data before doing anything else. The backup is necessary on general principle, not because of anything in the test procedure. Backup is always a must, and when you're having any kind of trouble with the computer, you may be at higher than usual risk of losing data, whether you follow these instructions or not.
    There are ways to back up a computer that isn't fully functional. Ask if you need guidance.
    3. Below are instructions to run a UNIX shell script, a type of program. All it does is to collect information about the state of the computer. That information goes nowhere unless you choose to share it. However, you should be cautious about running any kind of program (not just a shell script) at the behest of a stranger. If you have doubts, search this site for other discussions in which this procedure has been followed without any report of ill effects. If you can't satisfy yourself that the instructions are safe, don't follow them. Ask for other options.
    Here's a summary of what you need to do, if you choose to proceed:
    ☞ Copy a line of text in this window to the Clipboard.
    ☞ Paste into the window of another application.
    ☞ Wait for the test to run. It usually takes a few minutes.
    ☞ Paste the results, which will have been copied automatically, back into a reply on this page.
    The sequence is: copy, paste, wait, paste again. You don't need to copy a second time. Details follow.4. You may have started the computer in "safe" mode. Preferably, these steps should be taken in “normal” mode, under the conditions in which the problem is reproduced. If the system is now in safe mode and works well enough in normal mode to run the test, restart as usual. If you can only test in safe mode, do that.
    5. If you have more than one user, and the one affected by the problem is not an administrator, then please run the test twice: once while logged in as the affected user, and once as an administrator. The results may be different. The user that is created automatically on a new computer when you start it for the first time is an administrator. If you can't log in as an administrator, test as the affected user. Most personal Macs have only one user, and in that case this section doesn’t apply. Don't log in as root.
    6. The script is a single long line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, though you may not see all of it in the browser window, and you can then copy it. If you try to select the line by dragging across the part you can see, you won't get all of it.
    Triple-click anywhere in the line of text below on this page to select it:
    PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/libexec;clear;cd;p=(Software Hardware Memory Diagnostics Power FireWire Thunderbolt USB Fonts SerialATA 4 1000 25 5120 KiB/s 1024 85 \\b%% 20480 1 MB/s 25000 ports ' com.autodesk\* \*dropbox \*GoogleDr\* vidinst\* ' DYLD_INSERT_LIBRARIES\ DYLD_LIBRARY_PATH -86 ` route -n get default|awk '/e:/{print $2}' ` 25 N\\/A down up 102400 25600 recvfrom sendto CFBundleIdentifier 25 25 25 1000 MB com.apple.AirPortBaseStationAgent 464843899 51 );N5=${#p[@]};p[N5]=` networksetup -listnetworkserviceorder|awk ' NR>1 { sub(/^\([0-9]+\) /,"");n=$0;getline;} $NF=="'${p[26]}')" { sub(/.$/,"",$NF);print n;exit;} ' `;f=('\n%s: %s\n' '\n%s\n\n%s\n' '\nRAM details\n%s\n' %s\ %s '%s\n-\t%s\n' );S0() { echo ' { q=$NF+0;$NF="";u=$(NF-1);$(NF-1)="";gsub(/^ +| +$/,"");if(q>='${p[$1]}') printf("%s (UID %s) is using %s '${p[$2]}'",$0,u,q);} ';};s=(' /^ *$|CSConfigDot/d;s/^ */   /;s/[-0-9A-Fa-f]{22,}/UUID/g;s/(ochat)\.[^.]+(\..+)/\1\2/;/Shared/!s/\/Users\/[^/]+/~/g ' ' s/^ +//;5p;6p;8p;12p;' ' {sub(/^ +/,"")};NR==6;NR==13&&$2<'${p[10]} ' 1s/://;3,6d;/[my].+:/d;s/^ {4}//;H;${ g;s/\n$//;/s: [^EO]|x([^08]|02[^F]|8[^0])/p;} ' ' 5h;6{ H;g;/P/!p;} ' ' ($1~/^Cy/&&$3>'${p[11]}')||($1~/^Cond/&&$2!~/^N/) ' ' /:$/{ N;/:.+:/d;s/ *://;b0'$'\n'' };/^ *(V.+ [0N]|Man).+ /{ s/ 0x.... //;s/[()]//g;s/(.+: )(.+)/ (\2)/;H;};$b0'$'\n'' d;:0'$'\n'' x;s/\n\n//;/Apple[ ,]|Intel|SMSC/d;s/\n.*//;/\)$/p;' ' s/^.*C/C/;H;${ g;/No th|pms/!p;} ' '/= [^GO]/p' '{$1=""};1' ' /Of/!{ s/^.+is |\.//g;p;} ' ' $0&&!/ / { n++;print;} END { if(n<200) print "com.apple.";} ' ' $3~/[0-9]:[0-9]{2}$/ { gsub(/:[0-9:a-f]{14}/,"");} { print|"tail -n'${p[12]}'";} ' ' NR==2&&$4<='${p[13]}' { print $4;} ' ' END { $2/=256;if($2>='${p[15]}') print int($2) } ' ' NR!=13{next};{sub(/[+-]$/,"",$NF)};'"`S0 21 22`" 'NR!=2{next}'"`S0 37 17`" ' NR!=5||$8!~/[RW]/{next};{ $(NF-1)=$1;$NF=int($NF/10000000);for(i=1;i<=3;i++){$i="";$(NF-1-i)="";};};'"`S0 19 20`" 's:^:/:p' '/\.kext\/(Contents\/)?Info\.plist$/p' 's/^.{52}(.+) <.+/\1/p' ' /Launch[AD].+\.plist$/ { n++;print;} END { print "'${p[41]}'";if(n<200) print "/System/";} ' '/\.xpc\/(Contents\/)?Info\.plist$/p' ' NR>1&&!/0x|\.[0-9]+$|com\.apple\.launchctl\.(Aqua|Background|System)$|'${p[41]}'/ { print $3;} ' ' /\.(framew|lproj)|\):/d;/plist:|:.+(Mach|scrip)/s/:[^:]+//p ' '/root/p' ' !/\/Contents\/.+\/Contents|Applic|Autom|Frameworks/&&/Lib.+\/Info.plist$/ { n++;print;} END { if(n<1000) print "/System/";} ' '/^\/usr\/lib\/.+dylib$/p' ' /Temp|emac/ { next;} /(etc|Preferences|Launch[AD].+)\// { sub(".(/private)?","");n++;print;} END { print "'${p[41]}'.plist\t'${p[42]}'";if(n<500) print "Launch";} ' ' /\/(Contents\/.+\/Contents|Frameworks)\/|\.wdgt\/.+\.([bw]|plu)/d;p;' 's/\/(Contents\/)?Info.plist$//;p' ' { gsub("^| |\n","\\|\\|kMDItem'${p[35]}'=");sub("^...."," ") };1 ' p '{print $3"\t"$1}' 's/\'$'\t''.+//p' 's/1/On/p' '/Prox.+: [^0]/p' '$2>'${p[43]}'{$2=$2-1;print}' ' BEGIN { i="'${p[26]}'";M1='${p[16]}';M2='${p[18]}';M3='${p[31]}';M4='${p[32]}';} !/^A/ { next;} /%/ { getline;if($5<M1) a="user "$2"%, system "$4"%";} /disk0/&&$4>M2 { b=$3" ops/s, "$4" blocks/s";} $2==i { if(c) { d=$3+$4+$5+$6;next;};if($4>M3||$6>M4) c=int($4/1024)" in, "int($6/1024)" out";} END { if(a) print "CPU: "a;if(b) print "I/O: "b;if(c) print "Net: "c" (KiB/s)";if(d) print "Net errors: "d" packets/s";} ' ' /r\[0\] /&&$NF!~/^1(0|72\.(1[6-9]|2[0-9]|3[0-1])|92\.168)\./ { print $NF;exit;} ' ' !/^T/ { printf "(static)";exit;} ' '/apsd|OpenD/!s/:.+//p' ' (/k:/&&$3!~/(255\.){3}0/ )||(/v6:/&&$2!~/A/ ) ' ' $1~"lR"&&$2<='${p[25]}';$1~"li"&&$3!~"wpa2";' ' BEGIN { FS=":";} { n=split($3,a,".");sub(/_2[01].+/,"",$3);print $2" "$3" "a[n]" "$1;b=b$1;} END { if(b) print("\n\t* Code injection");} ' ' NR!=4{next} {$NF/=10240} '"`S0 27 14`" ' END { if($3~/[0-9]/)print$3;} ' ' BEGIN { L='${p[36]}';} !/^[[:space:]]*(#.*)?$/ { l++;if(l<=L) f=f"\n   "$0;} END { F=FILENAME;if(!F) exit;if(!f) f="\n   [N/A]";"file -b "F|getline T;if(T!~/^(AS.+ (En.+ )?text$|POSIX sh.+ text ex)/) F=F" ("T")";printf("\nContents of %s\n%s\n",F,f);if(l>L) printf("\n   ...and %s more line(s)\n",l-L);} ' ' /^ +[NP].+ =/h;/^( +D.+[{]|[}])/{ g;s/.+= //p;};' 's/0/Off/p' ' END{print NR} ' ' /id: N|te: Y/{i++} END{print i} ' ' / / { print "'"${p[28]}"'";exit;};1;' '/ en/!s/\.//p' ' NR!=13{next};{sub(/[+-M]$/,"",$NF)};'"`S0 39 40`" ' $10~/\(L/&&$9!~"localhost" { sub(/.+:/,"",$9);print $1": "$9;} ' '/^ +r/s/.+"(.+)".+/\1/p' 's/(.+\.wdgt)\/(Contents\/)?Info\.plist$/\1/p' 's/^.+\/(.+)\.wdgt$/\1/p' ' /l: /{ /APPLE [HS]|DVD/d;s/.+: //;H;};/s: /{ /V/d;s/^ */- /;H;};${ g;p;};' ' /^find: /d;p;' );c1=(system_profiler pmset\ -g nvram fdesetup find syslog df vm_stat sar ps sudo\ crontab sudo\ iotop top pkgutil 'PlistBuddy 2>&1 -c "Print' whoami cksum kextstat launchctl sudo\ launchctl crontab 'sudo defaults read' stat lsbom mdfind ' for i in ${p[24]};do ${c1[18]} ${c2[27]} $i;done;' defaults\ read scutil sudo\ dtrace sudo\ profiles sed\ -En awk /S*/*/P*/*/*/C*/*/airport networksetup mdutil sudo\ lsof test );c2=(com.apple.loginwindow\ LoginHook '" /L*/P*/loginw*' '" L*/P*/*loginit*' 'L*/Ca*/com.ap*.Saf*/E*/* -d 1 -name In*t -exec '"${c1[14]}"' :CFBundleDisplayName" {} \;|sort|uniq' '~ $TMPDIR.. \( -flags +sappnd,schg,uappnd,uchg -o ! -user $UID -o ! -perm -600 \)' '.??* -path .Trash -prune -o -type d -name *.app -print -prune' :${p[35]}\" :Label\" '{/,}L*/{Con,Pref}* -type f ! -size 0 -name *.plist -exec plutil -s {} \;' "-f'%N: %l' Desktop L*/Keyc*" therm sysload boot-args status " -F '\$Time \$Message' -k Sender kernel -k Message Req 'bad |Beac|caug|dead[^bl]|FAIL|fail|GPU |hfs: Ru|inval|jnl:|last value [1-9]|n Cause: -|NVDA\(|pagin|proc: t|Roamed|rror|ssert|Thrott|tim(ed? ?|ing )o|WARN' -k Message Rne 'Goog|ksadm|SMC:' -o -k Sender fseventsd -k Message Req 'SL' " '-du -n DEV -n EDEV 1 10' 'acrx -o comm,ruid,%cpu' '-t1 10 1' '-f -pfc /var/db/r*/com.apple.*.{BS,Bas,Es,J,OSXU,Rem,up}*.bom' '{/,}L*/Lo*/Diag* -type f -regex .\*[cgh] ! -name *ag \( -exec grep -lq "^Thread c" {} \; -exec printf \* \; -o -true \) -execdir stat -f:%Sc:%N -t%F {} \;|sort -t: -k2 |tail -n'${p[38]} '-L {/{S*/,},}L*/Lau* -type f' '-L /{S*/,}L*/StartupItems -type f -exec file {} +' '-L /S*/L*/{C*/Sec*A,E}* {/,}L*/{A*d,Ca*/*/Ex,Compon,Ex,In,iTu,Keyb,Mail/B,P*P,Qu*T,Scripti,Sec,Servi,Spo,Widg}* -type f -name Info.plist' '/usr/lib -type f -name *.dylib' `awk "${s[31]}"<<<${p[23]}` "/e*/{auto,{cron,fs}tab,hosts,{[lp],sy}*.conf,pam.d/*,ssh{,d}_config,*.local} {,/usr/local}/etc/periodic/*/* /L*/P*{,/*}/com.a*.{Bo,sec*.ap}*t /S*/L*/Lau*/*t .launchd.conf" list getenv /Library/Preferences/com.apple.alf\ globalstate --proxy '-n get default' -I --dns -getdnsservers\ "${p[N5]}" -getinfo\ "${p[N5]}" -P -m\ / '' -n1 '-R -l1 -n1 -o prt -stats command,uid,prt' '--regexp --only-files --files com.apple.pkg.*|sort|uniq' -kl -l -s\ / '-R -l1 -n1 -o mem -stats command,uid,mem' -i4TCP:0-1023 com.apple.dashboard\ layer-gadgets '-d /L*/Mana*/$USER&&echo On' '-app Safari WebKitDNSPrefetchingEnabled' );N1=${#c2[@]};for j in {0..9};do c2[N1+j]=SP${p[j]}DataType;done;N2=${#c2[@]};for j in 0 1;do c2[N2+j]="-n ' syscall::'${p[33+j]}':return { @out[execname,uid]=sum(arg0) } tick-10sec { trunc(@out,1);exit(0);} '";done;l=(Restricted\ files Hidden\ apps 'Elapsed time (s)' POST Battery Safari\ extensions Bad\ plists 'High file counts' User Heat System\ load boot\ args FileVault Diagnostic\ reports Log 'Free space (MiB)' 'Swap (MiB)' Activity 'CPU per process' Login\ hook 'I/O per process' Mach\ ports kexts Daemons Agents launchd Startup\ items Admin\ access Root\ access Bundles dylibs Apps Font\ issues Inserted\ dylibs Firewall Proxies DNS TCP/IP Wi-Fi Profiles Root\ crontab User\ crontab 'Global login items' 'User login items' Spotlight Memory Listeners Widgets Parental\ Controls Prefetching SATA );N3=${#l[@]};for i in 0 1 2;do l[N3+i]=${p[5+i]};done;N4=${#l[@]};for j in 0 1;do l[N4+j]="Current ${p[29+j]}stream data";done;A0() { id -G|grep -qw 80;v[1]=$?;((v[1]==0))&&sudo true;v[2]=$?;v[3]=`date +%s`;clear >&-;date '+Start time: %T %D%n';};for i in 0 1;do eval ' A'$((1+i))'() { v=` eval "${c1[$1]} ${c2[$2]}"|'${c1[30+i]}' "${s[$3]}" `;[[ "$v" ]];};A'$((3+i))'() { v=` while read i;do [[ "$i" ]]&&eval "${c1[$1]} ${c2[$2]}" \"$i\"|'${c1[30+i]}' "${s[$3]}";done<<<"${v[$4]}" `;[[ "$v" ]];};A'$((5+i))'() { v=` while read i;do '${c1[30+i]}' "${s[$1]}" "$i";done<<<"${v[$2]}" `;[[ "$v" ]];};';done;A7(){ v=$((`date +%s`-v[3]));};B2(){ v[$1]="$v";};for i in 0 1;do eval ' B'$i'() { v=;((v['$((i+1))']==0))||{ v=No;false;};};B'$((3+i))'() { v[$2]=`'${c1[30+i]}' "${s[$3]}"<<<"${v[$1]}"`;} ';done;B5(){ v[$1]="${v[$1]}"$'\n'"${v[$2]}";};B6() { v=` paste -d: <(printf "${v[$1]}") <(printf "${v[$2]}")|awk -F: ' {printf("'"${f[$3]}"'",$1,$2)} ' `;};B7(){ v=`grep -Fv "${v[$1]}"<<<"$v"`;};C0(){ [[ "$v" ]]&&echo "$v";};C1() { [[ "$v" ]]&&printf "${f[$1]}" "${l[$2]}" "$v";};C2() { v=`echo $v`;[[ "$v" != 0 ]]&&C1 0 $1;};C3() { v=`sed -E "$s"<<<"$v"`&&C1 1 $1;};for i in 1 2;do for j in 2 3;do eval D$i$j'(){ A'$i' $1 $2 $3; C'$j' $4;};';done;done;{ A0;A2 0 $((N1+1)) 2;C0;A1 0 $N1 1;C0;B0;C2 27;B0&&! B1&&C2 28;D12 15 37 25 8;A1 0 $((N1+2)) 3;C0;D13 0 $((N1+3)) 4 3;D23 0 $((N1+4)) 5 4;D13 0 $((N1+9)) 59 50;for i in 0 1 2;do D13 0 $((N1+5+i)) 6 $((N3+i));done;D13 1 10 7 9;D13 1 11 8 10;D22 2 12 9 11;D12 3 13 10 12;D23 4 19 44 13;D23 5 14 12 14;D22 6 36 13 15;D22 7 37 14 16;D23 8 15 38 17;D22 9 16 16 18;B1&&{ D22 11 17 17 20;for i in 0 1;do D22 28 $((N2+i)) 45 $((N4+i));done;};D22 12 44 54 45;D22 12 39 15 21;A1 13 40 18;B2 4;B3 4 0 19;A3 14 6 32 0;B4 0 5 11;A1 17 41 20;B7 5;C3 22;B4 4 6 21;A3 14 7 32 6;B4 0 7 11;B3 4 0 22;A3 14 6 32 0;B4 0 8 11;B5 7 8;B1&&{ A2 19 26 23;B7 7;C3 23;};A2 18 26 23;B7 7;C3 24;A2 4 20 21;B7 6;B2 9;A4 14 7 52 9;B2 10;B6 9 10 4;C3 25;D13 4 21 24 26;B4 4 12 26;B3 4 13 27;A1 4 22 29;B7 12;B2 14;A4 14 6 52 14;B2 15;B6 14 15 4;B3 0 0 30;C3 29;A1 4 23 27;B7 13;C3 30;D13 24 24 32 31;D13 25 37 32 33;A2 23 18 28;B2 16;A2 16 25 33;B7 16;B3 0 0 34;B2 21;A6 47 21&&C0;B1&&{ D13 21 0 32 19;D13 10 42 32 40;D22 29 35 46 39;};D13 14 1 48 42;D12 34 43 53 44;D22 0 $((N1+8)) 51 32;D13 4 8 41 6;D12 26 28 35 34;D13 27 29 36 35;A2 27 32 39&&{ B2 19;A2 33 33 40;B2 20;B6 19 20 3;};C2 36;D23 33 34 42 37;B1&&D23 35 45 55 46;D23 32 31 43 38;D12 36 47 32 48;D13 20 42 32 41;D13 14 2 48 43;D13 4 5 32 1;D22 4 4 50 0;D13 4 3 60 5;D12 26 48 49 49;B3 4 22 57;A1 26 46 56;B7 22;B3 0 0 58;C3 47;D23 22 9 37 7;A7;C2 2;} 2>/dev/null|pbcopy;exit 2>&-
    Copy the selected text to the Clipboard by pressing the key combination command-C.
    7. Launch the built-in Terminal 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 Terminal in the icon grid.
    Click anywhere in the Terminal window and paste by pressing command-V. The text you pasted should vanish immediately. If it doesn't, press the return key.
    8. If you see an error message in the Terminal window such as "Syntax error" or "Event not found," enter
    exec bash
    and press return. Then paste the script again.
    9. If you're logged in as an administrator, you'll be prompted for your login password. Nothing will be displayed when you type it. You will not see the usual dots in place of typed characters. Make sure caps lock is off. Type carefully and then press return. You may get a one-time warning to be careful. If you make three failed attempts to enter the password, the test will run anyway, but it will produce less information. In most cases, the difference is not important. If you don't know the password, or if you prefer not to enter it, press the key combination control-C or just press return three times at the password prompt. Again, the script will still run.
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    Copyright © 2014 by Linc Davis. As the sole author of this work, I reserve all rights to it except as provided in the Use Agreement for the Apple Support Communities website ("ASC"). Readers of ASC may copy it for their own personal use. Neither the whole nor any part may be redistributed.

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