Late 2015 iMac (acquistato all'inizio del 2017) in esecuzione molto lento

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My iMac è in esecuzione molto lentamente dall'acquisto. Ho fatto tutti i test e gli assegni che riesco a pensare, di seguito è riportata una copia del rapporto EtreCheck che è stato fatto oggi. Rivedendolo, oltre alla RAM non sufficiente (che non è risolvibile) non sono sicuro di cos'altro fare.

EtreCheck version: 3.3.3 (397)
Report generated 2017-06-02 15:29:35
Download EtreCheck from https://etrecheck.com
Runtime: 9:27
Performance: Below Average

Click the [Lookup] links for more information from Apple Support Communities.
Click the [Details] links for more information about that line.

Problem: Beachballing
Description:
^

Hardware Information: ⓘ
    iMac (21.5-inch, Late 2015) 
    [Technical Specifications] - [User Guide] - [Warranty & Service]
    iMac - model: iMac16,2
    1 2.8 GHz Intel Core i5 (i5-5575R) CPU: 4-core
    8 GB RAM Not upgradeable
        BANK 0/DIMM0
            4 GB DDR3 1867 MHz ok
        BANK 1/DIMM0
            4 GB DDR3 1867 MHz ok
    Bluetooth: Good - Handoff/Airdrop2 supported
    Wireless: Unknown
Video Information: ⓘ
    Intel Iris Pro Graphics 6200 - VRAM: 1536 MB
        DA220HQL 1920 x 1080 @ 60 Hz
        iMac 1920 x 1080

System Software: ⓘ
    macOS Sierra  10.12.5 (16F73) - Time since boot: about 5 hours

Disk Information: ⓘ
    APPLE HDD HTS541010A9E662 disk0 : (1 TB) (Rotational)
    [Show SMART report]
        EFI (disk0s1 - MS-DOS FAT32) <not mounted> : 210 MB 
        Recovery HD (disk0s3 - Journaled HFS+) <not mounted>  [Recovery]: 650 MB 
        Macintosh HD (disk1 - Journaled HFS+) /  [Startup]: 998.98 GB (888.59 GB free)
            Core Storage: disk0s2 999.35 GB Online

USB Information: ⓘ
     USB30Bus 
        Broadcom Corp. Bluetooth USB Host Controller 
        Apple Inc. FaceTime HD Camera (Built-in) 

Thunderbolt Information: ⓘ
    Apple Inc. thunderbolt_bus

Configuration files: ⓘ
    /etc/hosts - Count: 6

Gatekeeper: ⓘ
    Mac App Store and identified developers

Kernel Extensions: ⓘ
        /Library/Application Support/VirtualBox
    [loaded]    org.virtualbox.kext.VBoxDrv (5.1.18) [Lookup]
    [loaded]    org.virtualbox.kext.VBoxNetAdp (5.1.18) [Lookup]
    [loaded]    org.virtualbox.kext.VBoxNetFlt (5.1.18) [Lookup]
    [loaded]    org.virtualbox.kext.VBoxUSB (5.1.18) [Lookup]

System Launch Agents: ⓘ
    [not loaded]    6 Apple tasks
    [loaded]    178 Apple tasks
    [running]    79 Apple tasks
    [killed]    19 Apple tasks
    19 processes killed due to insufficient RAM

System Launch Daemons: ⓘ
    [not loaded]    41 Apple tasks
    [loaded]    175 Apple tasks
    [running]    90 Apple tasks
    [killed]    11 Apple tasks
    11 processes killed due to insufficient RAM

Launch Agents: ⓘ
    [loaded]    com.oracle.java.Java-Updater.plist (? 3dab720a be93c7fb - installed 2017-03-03) [Lookup]

Launch Daemons: ⓘ
    [loaded]    com.adobe.ARMDC.Communicator.plist (Adobe Systems, Inc. - installed 2017-01-12) [Lookup]
    [loaded]    com.adobe.ARMDC.SMJobBlessHelper.plist (Adobe Systems, Inc. - installed 2017-01-12) [Lookup]
    [loaded]    com.google.keystone.daemon.plist (Google, Inc. - installed 2017-04-17) [Lookup]
    [loaded]    com.microsoft.office.licensingV2.helper.plist (Microsoft Corporation - installed 2016-04-11) [Lookup]
    [loaded]    com.oracle.java.Helper-Tool.plist (Shell Script e3fefdd2 - installed 2017-03-03) [Lookup]
    [not loaded]    org.virtualbox.startup.plist (Shell Script 700b9385 - installed 2017-04-19) [Lookup]

User Launch Agents: ⓘ
    [running]    com.spotify.webhelper.plist (Spotify - installed 2017-05-30) [Lookup]
    [not loaded]    org.virtualbox.vboxwebsrv.plist (Oracle America, Inc. - installed 2017-04-19) [Lookup]

Internet Plug-ins: ⓘ
    AdobePDFViewerNPAPI: 17.009.20044 (installed 2017-04-13) [Lookup]
    AdobePDFViewer: 17.009.20044 (installed 2017-04-13) [Lookup]
    QuickTime Plugin: 7.7.3 (installed 2017-05-30)
    JavaAppletPlugin: Java 8 Update 121 build 13 (installed 2017-03-03) Check version
    AdobeAAMDetect: 3.0.0.0 (installed 2017-03-14) [Lookup]

3rd Party Preference Panes: ⓘ
    Java (installed 2016-12-12) [Lookup]

Time Machine: ⓘ
    Time Machine not configured!

Top Processes by CPU: ⓘ
         4%     WindowServer -daemon
         3%     ps -raxcww -o %mem, [and 3 more arguments]
         3%     kernel_task
         2%     ps -raxcww -o %mem, [and 3 more arguments]
         2%     mds

Top Processes by Memory: ⓘ
    817 MB      kernel_task
    532 MB      VBoxHeadless --comment default --startvm [and 3 more arguments]
    200 MB      Google Chrome -psn_0_61455
    197 MB      Code Helper --type=renderer --js-flags=--nolazy [and 15 more arguments]
    192 MB      Google Chrome Helper --type=renderer [and 15 more arguments]

Top Processes by Network Use: ⓘ
    Input       Output      Process name
    4 MB        299 KB      mDNSResponder
    917 KB      252 KB      VBoxHeadless --comment default --startvm [and 3 more arguments]
    1 MB        1 KB        netbiosd
    19 KB       34 KB       apsd
    5 KB        21 KB       assistantd

Top Processes by Energy Use: ⓘ
     13.34  VBoxHeadless --comment default --startvm [and 3 more arguments]
     10.78  Google Chrome Helper --type=renderer [and 15 more arguments]
      8.20  Google Chrome -psn_0_61455
      6.44  WindowServer -daemon

Virtual Memory Information: ⓘ
    1.66 GB     Available RAM
    52 MB       Free RAM
    6.34 GB     Used RAM
    1.61 GB     Cached files
    84 MB       Swap Used

Diagnostics Information: ⓘ
    2017-06-02 09:58:19    /Library/Logs/DiagnosticReports/Installer Progress_2017-06-02-095819_[redacted].crash
        com.apple.Installer-Progress - /System/Library/CoreServices/Installer Progress.app/Contents/MacOS/Installer Progress
        Application Specific Information:
        Assertion failed: (gfx_plugin_data.service[i] == gfx_plugin_data.service[i - 1]), function validate_plugin_data, file /Library/Caches/com.apple.xbs/Sources/OpenGL/OpenGL-14.0.16/GFXShared/gfx_plugin.c, line 1493.
    2017-06-01 15:20:56    ~/Library/Logs/DiagnosticReports/GitHub Desktop_2017-06-01-152056_[redacted].crash
        /Applications/GitHub Desktop.app/Contents/MacOS/GitHub Desktop
        Application Specific Information:
        Performing @selector(_close:) from sender _NSThemeCloseWidget 0x608000195470
    
posta Griffin Meyer 03.06.2017 - 01:13
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