945      iPhone_iPad_Mac_apple

MASSIVE Poor performance Imac

My Imac late 2013 worked fine on heavy motion graphics, video edition, even 3d and design. Never had any trouble, 1 week ago started with really slow boot (40min), after trying almost everything I found on apple support. I backed up and erase and reinstall osx with no luck on performance, then I downgrade to yosemite no luck on performance issues.

I found out today about Etrecheck today here's my report ...

EtreCheck version: 3.4.5 (455)

Report generated 2017-09-30 12:40:53

Download EtreCheck from https://etrecheck.com

Runtime: 20:47

Performance: Poor

Click the [Lookup] links for more information from Apple Support Communities.

Click the [Details] links for more information about that line.

Problem: Computer is too slow

Hardware Information: ⓘ

    iMac (27-inch, Late 2013)

    [Technical Specifications] - [User Guide] - [Warranty & Service]

    iMac - model: iMac14,2

    1 3.4 GHz Intel Core i5 (i5-4670) CPU: 4-core

    8 GB RAM Upgradeable - [Instructions]

        BANK 0/DIMM0

            Empty  

        BANK 1/DIMM0

            4 GB DDR3 1600 MHz ok

        BANK 0/DIMM1

            Empty  

        BANK 1/DIMM1

            4 GB DDR3 1600 MHz ok

    Handoff/Airdrop2: supported

    Wireless:  en1: 802.11 a/b/g/n/ac

Video Information: ⓘ

    NVIDIA GeForce GTX 775M - VRAM: 2048 MB

        iMac 2560 x 1440

Disk Information: ⓘ

    APPLE HDD ST1000DM003 disk0: (1 TB) (Rotational)

    [Show SMART report]

        (disk0s1) <not mounted>  [EFI]: 210 MB

        Osx (disk0s2 - Journaled HFS+) /  [Startup]: 499.59 GB (463.62 GB free)

        (disk0s3) <not mounted>  [Recovery]: 650 MB

        Stuff (disk0s4 - Journaled HFS+) /Volumes/Stuff : 499.62 GB (460.00 GB free)

USB Information: ⓘ

     XHCI Root Hub SS Simulation

     XHCI Root Hub USB 2.0 Simulation

        Apple Inc. FaceTime HD Camera (Built-in)

        Apple Inc. BRCM20702 Hub

            Apple Inc. Bluetooth USB Host Controller

Thunderbolt Information: ⓘ

    Apple Inc. thunderbolt_bus

System Software: ⓘ

    OS X Yosemite 10.10.5 (14F2511) - Time since boot: about 3 hours

Gatekeeper: ⓘ

    Mac App Store and identified developers

System Launch Agents: ⓘ

    [not loaded]    4 Apple tasks

    [loaded]    154 Apple tasks

    [running]    53 Apple tasks

System Launch Daemons: ⓘ

    [not loaded]    46 Apple tasks

    [loaded]    140 Apple tasks

    [running]    76 Apple tasks

User Launch Agents: ⓘ

    [loaded]    com.google.keystone.agent.plist (Google, Inc. - installed 2017-09-28) [Lookup]

    [loaded]    com.skype.skype.shareagent.plist (Skype Communications S.a.r.l - installed 2017-09-30) [Lookup]

User Login Items: ⓘ

    iTunesHelper    Application (? 0 - installed 2017-09-30)

        (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

    Skype    Application

        (/Applications/Skype.app)

Internet Plug-ins: ⓘ

    Default Browser: 600 (installed 2015-07-16)

    QuickTime Plugin: 7.7.3 (installed 2017-09-29)

3rd Party Preference Panes: ⓘ

    None

Time Machine: ⓘ

    Time Machine not configured!

Top Processes by CPU: ⓘ

         4%   WindowServer

         2%   Google Chrome Helper

         1%   kernel_task

         1%   fontd

         0%   Google Chrome Helper

Top Processes by Memory: ⓘ

    960 MB    Google Chrome Helper

    655 MB    kernel_task

    469 MB    softwareupdated

    261 MB    Google Chrome Helper

    246 MB    Google Chrome

Top Processes by Energy Use: ⓘ

      5.36 WindowServer

      4.10 Google Chrome Helper

      1.44 Google Chrome Helper

      0.24 Google Chrome

Virtual Memory Information: ⓘ

    4.22 GB   Available RAM

    2.00 GB   Free RAM

    3.78 GB   Used RAM

    2.22 GB   Cached files

    0 B       Swap Used

Software installs: ⓘ

    Trello: 2.9.6 (installed 2017-09-29)

    WhatsApp: 0.2.5863 (installed 2017-09-29)

    Disk Speed Test: 3.1 (installed 2017-09-30)

    Install information may not be complete.

Diagnostics Information: ⓘ

    2017-09-30 08:46:17    Last shutdown cause: 3 - Hard shutdown

    2017-09-30 07:07:43    quicklookd.app Crash [Open]

        Cause:        quicklookd seems struck trying to quit, crashing

        abort() called

    2017-09-29 13:07:00    Skype.app Hang [Open]

    2017-09-29 13:06:55    iTunes.app Hang [Open]

    2017-09-29 13:06:30    Google Chrome.app Hang [Open]

    2017-09-29 10:59:31    WhatsApp.app Crash [Open]

        Cause:        Could not set sandbox profile data: Operation not permitted (1)

    2017-09-28 20:38:14    com.apple.WebKit.WebContent Crash [Open]

        Cause:        Crashing on exception: trackID must be valid

        Bundle controller class:

        BrowserBundleController

Click on Show SMART report in Etrecheck and post it back for us.  Make a backup if you do not already have a recent one, I'm suspecting a bad hard drive judging by the length of time it took to run the report. You might also check the disk in Recovery Mode > Disk Utility > First Aid.

最後更新：2017-10-01 02:31:42

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