Extremely slow wifi speeds after Yosemite install

I "upgraded" to Yosemite and now my wifi speeds on this machine (iMAC) are extremely slow, like crawling. Was fine this morning before update. All other devices in the house (iphones, ipad, macbook pro) are all running normal fast speeds. Does anyone know if there is a fix for this? Missing Mavericks already.

I saw a big (huge) change in wifi speeds after Yosemite upgrade, it was more noticeable the farther away from the router I was. I moved closer to the Router and speed was back to normal.
You can check your connection by pressing at the same time alt(option) and the wifi icon (at top of menu bar), a drop down list will show the connection's stats, look for TX Rate towards the bottom. After upgrade my TX Rate dropped to 5 Mbps! I moved closer to the Router, and TX Rate improved to 146 Mbps, Safari was browsing at normal speeds again.
I read other discussions, found a suggestion to rename my location, in System Preferences - Network - WiFi, at top of panel Location, mine was named Automatic (the default). As suggested, I clicked on the arrows, selected edit, and renamed the location, name it anything you like... I restarted the computer, and luckily enough my TX  Rate at the farthest location from Router improved from 5Mbps to 39 Mbps. Still slower than before, never saw it below 80's. Don't know if the restart or the change of location name did the trick, maybe it was that Yosemite needed time to adjust to its new environment, regardless, there was some improvement.
I think there is an issue with Yosemite and WiFi that causes the TX Rate to drop more than with Mavericks as the distance from Router increases. Does not sound logical, but that is what the connection stats are saying!

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        Apple Inc. Apple Internal Keyboard / Trackpad
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    Configuration files: ℹ️
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    Gatekeeper: ℹ️
        Mac App Store and identified developers
    Kernel Extensions: ℹ️
            /Applications/Karabiner.app
        [not loaded]    org.pqrs.driver.Karabiner (10.2.0 - SDK 10.9) [Click for support]
            /Library/Parallels/Parallels Service.app
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        [not loaded]    com.parallels.kext.prl_hypervisor (7.0 15106.786747) [Click for support]
        [not loaded]    com.parallels.kext.prl_netbridge (7.0 15106.786747) [Click for support]
        [not loaded]    com.parallels.kext.prl_usb_connect (7.0 15106.786747) [Click for support]
        [not loaded]    com.parallels.kext.prl_vnic (7.0 15106.786747) [Click for support]
            /System/Library/Extensions
        [not loaded]    com.Avid.driver.AvidDX (4.7.1) [Click for support]
        [loaded]    com.Cycling74.driver.Soundflower (1.5.1) [Click for support]
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        [loaded]    com.cisco.kext.acsock (1.1.0 - SDK 10.2) [Click for support]
        [not loaded]    com.digidesign.fwfamily.driver (8.0.4f1) [Click for support]
        [not loaded]    com.digidesign.mbox2.boot.driver (8.0.4f1) [Click for support]
        [not loaded]    com.digidesign.mbox2.driver (8.0.4f1) [Click for support]
        [not loaded]    com.freecom.driver.BoulderScsi (1.0.0d1) [Click for support]
        [not loaded]    com.metakine.handsoff.driver (2.0.8 - SDK 10.6) [Click for support]
        [not loaded]    com.nvidia.CUDA (1.1.0) [Click for support]
        [not loaded]    com.paceap.kext.PACESupport (5.7.2b8) [Click for support]
        [not loaded]    com.paceap.kext.PACESupport2 (5.7.2b8) [Click for support]
        [not loaded]    com.paceap.kext.pacesupport.master (5.7.2b8) [Click for support]
        [loaded]    com.rogueamoeba.HermesAudio (3.0.1) [Click for support]
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        [not loaded]    com.paceap.kext.pacesupport.panther (5.7.2b8) [Click for support]
        [loaded]    com.paceap.kext.pacesupport.snowleopard (5.7.2b8) [Click for support]
        [not loaded]    com.paceap.kext.pacesupport.tiger (5.7.2b8) [Click for support]
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        ciscod: Path: /System/Library/StartupItems/ciscod
        CUDA: Path: /System/Library/StartupItems/CUDA
        Digidesign Mbox 2: Path: /Library/StartupItems/Digidesign Mbox 2
        DigidesignLoader: Path: /Library/StartupItems/DigidesignLoader
        PACESupport: Path: /Library/StartupItems/PACESupport
        ProTecVb: Path: /Library/StartupItems/ProTecVb
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        [unknown]    c om.apple.coreservices.appleevents.plist [Click for support]
        [unknown]    c om.apple.diskarbitrationd.plist [Click for support]
        [unknown]    c om.apple.mDNSResponder.plist [Click for support]
        [unknown]    co m.apple.securityd.plist [Click for support]
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        [not loaded]    com.adobe.AAM.Updater-1.0.plist [Click for support]
        [loaded]    com.adobe.CS5ServiceManager.plist [Click for support]
        [loaded]    com.cisco.anyconnect.gui.plist [Click for support]
        [running]    com.epson.epw.agent.plist [Click for support]
        [loaded]    com.google.keystone.agent.plist [Click for support]
        [running]    com.metakine.handsoff.agent.plist [Click for support]
        [loaded]    com.nvidia.CUDASoftwareUpdate.plist [Click for support]
        [failed]    com.parallels.desktop.launch.plist [Click for support]
        [loaded]    com.parallels.DesktopControlAgent.plist [Click for support]
        [running]    com.parallels.vm.prl_pcproxy.plist [Click for support]
        [running]    com.wacom.pentablet.plist [Click for support]
        [running]    net.culater.SIMBL.Agent.plist [Click for support]
        [loaded]    org.macosforge.xquartz.startx.plist [Click for support]
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        [loaded]    com.adobe.fpsaud.plist [Click for support]
        [loaded]    com.adobe.SwitchBoard.plist [Click for support]
        [failed]    com.autodesk.backburner_manager.plist [Click for support]
        [running]    com.autodesk.backburner_server.plist [Click for support]
        [failed]    com.autodesk.backburner_start.plist [Click for support]
        [running]    com.cisco.anyconnect.vpnagentd.plist [Click for support]
        [running]    com.digidesign.fwfamily.helper.plist [Click for support]
        [running]    com.edb.launchd.postgresql-8.4.plist [Click for support]
        [loaded]    com.google.keystone.daemon.plist [Click for support]
        [running]    com.metakine.handsoff.daemon.plist [Click for support]
        [loaded]    com.microsoft.office.licensing.helper.plist [Click for support]
        [running]    com.parallels.desktop.launchdaemon.plist [Click for support]
        [loaded]    com.rogueamoeba.hermes.plist [Click for support]
        [loaded]    com.rogueamoeba.instanton-agent.plist [Click for support]
        [loaded]    org.macosforge.xquartz.privileged_startx.plist [Click for support]
        [loaded]    PACESupport.plist [Click for support]
    User Launch Agents: ℹ️
        [loaded]    com.adobe.AAM.Updater-1.0.plist [Click for support]
    User Login Items: ℹ️
        Google Chrome    Application Hidden (/Applications/Google Chrome.app)
    Internet Plug-ins: ℹ️
        o1dbrowserplugin: Version: 5.40.2.0 - SDK 10.8 [Click for support]
        Google Earth Web Plug-in: Version: 7.0 [Click for support]
        Default Browser: Version: 600 - SDK 10.10
        Flip4Mac WMV Plugin: Version: 2.3.8.1 [Click for support]
        WacomTabletPlugin: Version: WacomTabletPlugin 2.1.0.6 - SDK 10.9 [Click for support]
        Silverlight: Version: 5.1.30514.0 - SDK 10.6 [Click for support]
        FlashPlayer-10.6: Version: 16.0.0.305 - SDK 10.6 [Click for support]
        Flash Player: Version: 16.0.0.305 - SDK 10.6 [Click for support]
        QuickTime Plugin: Version: 7.7.3
        googletalkbrowserplugin: Version: 5.40.2.0 - SDK 10.8 [Click for support]
        SharePointBrowserPlugin: Version: 14.3.8 - SDK 10.6 [Click for support]
        iPhotoPhotocast: Version: 7.0
        JavaAppletPlugin: Version: 15.0.0 - SDK 10.10 Check version
    User internet Plug-ins: ℹ️
        Picasa: Version: 1.0 - SDK 10.4 [Click for support]
    Audio Plug-ins: ℹ️
        DVCPROHDAudio: Version: 1.3.2
    3rd Party Preference Panes: ℹ️
        CUDA Preferences  [Click for support]
        DigidesignMbox2  [Click for support]
        Digidesign Mbox 2 Pro  [Click for support]
        Flash Player  [Click for support]
        Flip4Mac WMV  [Click for support]
        MacFUSE  [Click for support]
        Perian  [Click for support]
        PenTablet  [Click for support]
        XDCAM Drive Monitor  [Click for support]
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        Skip System Files: NO
        Mobile backups: ON
        Auto backup: YES
        Volumes being backed up:
            Macintosh HD: Disk size: 498.88 GB Disk used: 408.02 GB
        Destinations:
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            Total size: 799.52 GB
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            Last backup: 2015-02-17 14:14:45 +0000
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                Backup size 799.52 GB < (Disk used 408.02 GB X 3)
    Top Processes by CPU: ℹ️
            20%    mds
             5%    WindowServer
             2%    Google Chrome
             1%    launchd
             1%    prl_disp_service
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        515 MB    Final Cut Pro
        378 MB    softwareupdated
        309 MB    Google Chrome
        215 MB    Google Chrome Helper
        206 MB    mds_stores
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        220 MB    Free RAM
        3.56 GB    Active RAM
        3.34 GB    Inactive RAM
        1.45 GB    Wired RAM
        7.56 GB    Page-ins
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        Feb 18, 2015, 04:35:18 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/Last.fm Scrobbler_2015-02-18-163518_[redacted].crash
        Feb 18, 2015, 04:29:01 PM    /Library/Logs/DiagnosticReports/backburnerManager_2015-02-18-162901_[redacted]. crash
        Feb 18, 2015, 04:11:30 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/Last.fm Scrobbler_2015-02-18-161130_[redacted].crash
        Feb 18, 2015, 04:04:44 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/Last.fm Scrobbler_2015-02-18-160444_[redacted].crash
        Feb 18, 2015, 01:49:37 PM    /Users/[redacted]/Library/Logs/DiagnosticReports/Last.fm Scrobbler_2015-02-18-134937_[redacted].crash
        Feb 17, 2015, 05:36:32 PM    Self test - passed

    Please read this whole message before doing anything.
    This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
    The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
    Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode and log in to the account with the problem. You must hold down the shift key twice: once when you turn on the computer, and again when you log in.
    Note: If FileVault is enabled in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is a software RAID, you can’t do this. Ask for further instructions.
    Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
    The login screen appears even if you usually login automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
    Shut down from safe mode. Same problem?
    After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of the test.

  • SLOW and SLUGGISH after clean install PLEASE HELP!

    My Macbook Pro started acting slugggish a few nights ago, and it seemed after a reboot that it ran better, but quickly slowed down.  I ran permissions, disk repair, reset the PRAM the SMC and etc... nothing helped.  I tried to do a Time Machine restore and after 10 hours of SLOW restoration (it still had 70 hours left) i decided to do a CLEAN INSTAL of Yosemite 10.10.
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    CLEAN INSTALL took over 8 hours to complete, as if everything is running in slow mode.
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    Clean Install - OS very sluggish and slow before and after clean install
    EtreCheck version: 2.1.6 (109)
    Report generated January 17, 2015 at 7:29:07 AM EST
    Download EtreCheck from http://etresoft.com/etrecheck
    Click the [Support] links for help with non-Apple products.
    Click the [Details] links for more information about that line.
    Click the [Adware] links for help removing adware.
    Hardware Information: ℹ️
      MacBook Pro (13-inch, Mid 2012) (Technical Specifications)
      MacBook Pro - model: MacBookPro9,2
      1 2.9 GHz Intel Core i7 CPU: 2-core
      8 GB RAM Upgradeable
      BANK 0/DIMM0
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      BANK 1/DIMM0
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      APPLE HDD TOSHIBA MK7559GSXF disk0 : (750.16 GB)
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      QuickTime Plugin: Version: 7.7.3
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      Time Machine not configured!
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      1.37 GB Inactive RAM
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      0 B Page-outs
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  • Keeps crashing after Yosemite install - Need thoughts on what to do...

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    0xffffff81102c3530 : 0xffffff800813160e
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    0xffffff81102c3760 : 0xffffff8008140ccf
    0xffffff81102c3930 : 0xffffff8007f3f2f8
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    Kernel UUID: 89E10306-BC78-3A3B-955C-7C4922577E61
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    __HIB  text base: 0xffffff8007b00000
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    last unloaded kext at 1736098368348: com.apple.driver.AppleUSBCDC 4.2.2b5 (addr 0xffffff7f895e6000, size 16384)
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    com.apple.filesystems.smbfs 3.0.0
    com.apple.driver.AppleBluetoothMultitouch 85.3
    com.apple.iokit.SCSITaskUserClient 3.7.0
    com.apple.iokit.IOBluetoothSerialManager 4.3.0f10
    com.apple.driver.AudioAUUC 1.70
    com.apple.iokit.IOUserEthernet 1.0.1
    com.apple.driver.AppleUpstreamUserClient 3.6.1
    com.apple.driver.AGPM 100.14.37
    com.apple.driver.ApplePlatformEnabler 2.1.0d1
    com.apple.driver.X86PlatformShim 1.0.0
    com.apple.Dont_Steal_Mac_OS_X 7.0.0
    com.apple.driver.AppleIntelHD5000Graphics 10.0.0
    com.apple.driver.AppleHDA 266.5
    com.apple.driver.AppleHWAccess 1
    com.apple.driver.AppleOSXWatchdog 1
    com.apple.driver.AppleLPC 1.7.3
    com.apple.driver.AppleThunderboltIP 2.0.2
    com.apple.driver.AppleBacklight 170.4.12
    com.apple.driver.AppleUSBEthernet 2.4.7
    com.apple.driver.AppleHV 1
    com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.0f10
    com.apple.driver.AppleSMCLMU 2.0.4d1
    com.apple.driver.AirPort.Brcm4360 900.19.8
    com.apple.driver.AppleCameraInterface 5.23.0
    com.apple.driver.AppleMCCSControl 1.2.10
    com.apple.driver.AppleIntelFramebufferAzul 10.0.0
    com.apple.filesystems.autofs 3.0
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
    com.apple.BootCache 35
    com.apple.driver.AppleUSBHub 705.4.1
    com.apple.driver.AppleTopCaseHIDEventDriver 46.2
    com.apple.driver.XsanFilter 404
    com.apple.iokit.IOAHCIBlockStorage 2.6.5
    com.apple.driver.AppleAHCIPort 3.0.7
    com.apple.driver.AppleUSBXHCI 705.4.14
    com.apple.driver.AppleRTC 2.0
    com.apple.driver.AppleSmartBatteryManager 161.0.0
    com.apple.driver.AppleACPIButtons 3.1
    com.apple.driver.AppleHPET 1.8
    com.apple.driver.AppleSMBIOS 2.1
    com.apple.driver.AppleACPIEC 3.1
    com.apple.driver.AppleAPIC 1.7
    com.apple.nke.applicationfirewall 161
    com.apple.security.quarantine 3
    com.apple.security.TMSafetyNet 8
    com.apple.driver.IOBluetoothHIDDriver 4.3.0f10
    com.apple.iokit.IOSCSIBlockCommandsDevice 3.7.0
    com.apple.iokit.IOUSBMassStorageClass 3.7.0
    com.apple.iokit.IOSurface 97
    com.apple.driver.DspFuncLib 266.5
    com.apple.kext.OSvKernDSPLib 1.15
    com.apple.iokit.IOAudioFamily 200.6
    com.apple.vecLib.kext 1.2.0
    com.apple.driver.AppleBacklightExpert 1.1.0
    com.apple.iokit.IONDRVSupport 2.4.1
    com.apple.driver.AppleHDAController 266.5
    com.apple.iokit.IOHDAFamily 266.5
    com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.0f10
    com.apple.iokit.IOBluetoothFamily 4.3.0f10
    com.apple.iokit.IO80211Family 700.52
    com.apple.driver.mDNSOffloadUserClient 1.0.1b8
    com.apple.iokit.IONetworkingFamily 3.2
    com.apple.iokit.IOSerialFamily 11
    com.apple.driver.X86PlatformPlugin 1.0.0
    com.apple.driver.AppleSMC 3.1.9
    com.apple.driver.IOPlatformPluginFamily 5.8.0d49
    com.apple.driver.AppleSMBusController 1.0.13d1
    com.apple.AppleGraphicsDeviceControl 3.7.21
    com.apple.iokit.IOAcceleratorFamily2 156.4
    com.apple.iokit.IOGraphicsFamily 2.4.1
    com.apple.kext.triggers 1.0
    com.apple.iokit.IOUSBUserClient 705.4.0
    com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.0
    com.apple.driver.AppleUSBMergeNub 705.4.0
    com.apple.driver.AppleUSBComposite 705.4.9
    com.apple.driver.CoreStorage 471
    com.apple.driver.AppleHIDKeyboard 175.5
    com.apple.driver.AppleHSSPIHIDDriver 26.2
    com.apple.driver.AppleMultitouchDriver 260.30
    com.apple.iokit.IOAHCIFamily 2.7.0
    com.apple.driver.AppleThunderboltDPInAdapter 4.0.6
    com.apple.driver.AppleThunderboltDPAdapterFamily 4.0.6
    com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2
    com.apple.driver.AppleThunderboltNHI 3.1.7
    com.apple.iokit.IOThunderboltFamily 4.2.1
    com.apple.driver.AppleHSSPISupport 26.2
    com.apple.driver.AppleIntelLpssSpiController 2.0.45
    com.apple.driver.AppleIntelLpssDmac 2.0.45
    com.apple.driver.AppleIntelLpssGspi 2.0.45
    com.apple.iokit.IOUSBFamily 705.4.14
    com.apple.driver.AppleEFINVRAM 2.0
    com.apple.driver.AppleEFIRuntime 2.0
    com.apple.iokit.IOHIDFamily 2.0.0
    com.apple.iokit.IOSMBusFamily 1.1
    com.apple.security.sandbox 300.0
    com.apple.kext.AppleMatch 1.0.0d1
    com.apple.driver.AppleKeyStore 2
    com.apple.driver.AppleMobileFileIntegrity 1.0.5
    com.apple.driver.AppleCredentialManager 1.0
    com.apple.driver.DiskImages 389.1
    com.apple.iokit.IOStorageFamily 2.0
    com.apple.iokit.IOReportFamily 31
    com.apple.driver.AppleFDEKeyStore 28.30
    com.apple.driver.AppleACPIPlatform 3.1
    com.apple.iokit.IOPCIFamily 2.9
    com.apple.iokit.IOACPIFamily 1.4
    com.apple.kec.Libm 1
    com.apple.kec.corecrypto 1.0
    com.apple.kec.pthread 1
    Model: MacBookAir6,1, BootROM MBA61.0099.B16, 2 processors, Intel Core i7, 1.7 GHz, 8 GB, SMC 2.12f143
    Graphics: Intel HD Graphics 5000, Intel HD Graphics 5000, Built-In
    Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x483943434E4E4E384A544D4C41522D4E544D
    Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x483943434E4E4E384A544D4C41522D4E544D
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x117), Broadcom BCM43xx 1.0 (7.15.124.12.8)
    Bluetooth: Version 4.3.0f10 14890, 3 services, 27 devices, 1 incoming serial ports
    Network Service: Wi-Fi, AirPort, en0
    Serial ATA Device: APPLE SSD SM0512F, 500,28 GB
    USB Device: My Passport 0824
    USB Device: BRCM20702 Hub
    USB Device: Bluetooth USB Host Controller
    Thunderbolt Bus: MacBook Air, Apple Inc., 23.6

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    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 then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu.
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