Salve a tutti, possiedo un iMac metà 2011 con installato OS X El Capitan. Ultimamente il Mac ha subito dei rallentamenti enormi, tale da renderlo quasi inutilizzabile, soprattutto se ci faccio girare su applicazioni pesanti. La RAM è quasi sempre totalmente utilizzata, ho provato a disinstallare un pò di applicazioni obsolete tipo Avast e CleanMyMac ma il problema non si è risolto....
Posto il check fatto oggi, confido nel vostro aiuto ed esperienza! Grazie!
EtreCheck version: 3.0.3 (307)
Report generated 2016-09-15 22:44:07
Download EtreCheck from
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Runtime 3:07
Performance: Good
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Computer is too slow
Hardware Information: ⓘ
iMac (21.5-inch, Mid 2011)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac12,1
1 2,5 GHz Intel Core i5 CPU: 4-core
4 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
2 GB DDR3 1333 MHz ok
BANK 1/DIMM0
2 GB DDR3 1333 MHz ok
BANK 0/DIMM1
Empty
BANK 1/DIMM1
Empty
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ⓘ
AMD Radeon HD 6750M - VRAM: 512 MB
iMac 1920 x 1080
System Software: ⓘ
OS X El Capitan 10.11.6 (15G1004) - Time since boot: less than an hour
Disk Information: ⓘ
ST3500418AS disk0 : (500,11 GB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 499.25 GB (215.55 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
HL-DT-STDVDRW GA32N ()
USB Information: ⓘ
Apple Computer, Inc. IR Receiver
Apple Card Reader
Apple Inc. FaceTime HD Camera (Built-in)
Microsoft Microsoft® Comfort Mouse 4500
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Gatekeeper: ⓘ
Mac App Store and identified developers
Startup Items: ⓘ
HWNetMgr: Path: /Library/StartupItems/HWNetMgr
HWPortDetect: Path: /Library/StartupItems/HWPortDetect
StartOuc: Path: /Library/StartupItems/StartOuc
Startup items are obsolete in OS X Yosemite
System Launch Agents: ⓘ
[not loaded] 8 Apple tasks
[loaded] 162 Apple tasks
[running] 68 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 48 Apple tasks
[loaded] 159 Apple tasks
[running] 83 Apple tasks
Launch Agents: ⓘ
[not loaded] com.Arturia.ArturiaSoftwareCenterAgent.plist (2015-01-07) [Support]
[not loaded] com.adobe.AAM.Updater-1.0.plist (2015-10-18) [Support]
[running] com.epson.Epson_Low_Ink_Reminder.launcher.plist (2015-01-19) [Support]
[loaded] com.epson.esua.launcher.plist (2016-07-27) [Support]
[running] com.epson.eventmanager.agent.plist (2014-09-21) [Support]
[loaded] com.epson.scannermonitor.plist (2015-12-16) [Support]
[not loaded] com.google.keystone.agent.plist (2015-12-15) [Support]
[not loaded] com.oracle.java.Java-Updater.plist (2014-08-17) [Support]
[running] org.chromium.chromoting.plist (2015-10-15) [Support]
Launch Daemons: ⓘ
[running] com.adobe.agsservice.plist (2016-08-17) [Support]
[loaded] com.adobe.fpsaud.plist (2016-06-29) [Support]
[loaded] com.google.keystone.daemon.plist (2015-12-15) [Support]
[loaded] com.microsoft.office.licensing.helper.plist (2010-09-23) [Support]
[loaded] com.microsoft.office.licensingV2.helper.plist (2015-07-01) [Support]
[loaded] com.oracle.java.Helper-Tool.plist (2014-08-17) [Support]
User Launch Agents: ⓘ
[failed] com.avast.home.userinit.plist (2016-08-22) [Support]
[not loaded] com.facebook.videochat.[redacted].plist (2014-08-09)
[not loaded] com.spotify.webhelper.plist (2016-07-19) [Support]
User Login Items: ⓘ
iTunesHelper Applicazione (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Skype Applicazione (/Applications/Skype.app)
Internet Plug-ins: ⓘ
FlashPlayer-10.6: 22.0.0.209 - SDK 10.9 (2016-09-15) [Support]
QuickTime Plugin: 7.7.3 (2016-07-26)
Flash Player: 22.0.0.209 - SDK 10.9 (2016-09-15) Outdated! Update
net.juniper.DSSafariExtensions: Unknown (2015-04-18) [Support]
Default Browser: 601 - SDK 10.11 (2016-07-26)
SharePointBrowserPlugin: 14.0.0 (2010-09-23) [Support]
Unity Web Player: UnityPlayer version 4.5.3f3 - SDK 10.6 (2014-12-03) [Support]
Silverlight: 5.1.30317.0 - SDK 10.6 (2015-10-18) [Support]
JavaAppletPlugin: Java 8 Update 66 build 17 (2016-04-13) Check version
Safari Extensions: ⓘ
Avast Online Security - AVAST Software -
http://www.avast.com" onclick="window.open(this.href);return false; (2015-08-30)
3rd Party Preference Panes: ⓘ
remoting_host_prefpane (2015-11-28) [Support]
Flash Player (2016-06-29) [Support]
Java (2016-04-13) [Support]
Launchpad-Control (2015-10-18) [Support]
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
11% firefox
3% accountsd
2% WindowServer
2% securityd_service
2% kernel_task
Top Processes by Memory: ⓘ
647 MB firefox
519 MB kernel_task
193 MB mdworker(9)
184 MB Skype
160 MB mds_stores
Virtual Memory Information: ⓘ
305 MB Free RAM
3.70 GB Used RAM (1.01 GB Cached)
0 B Swap Used
Diagnostics Information: ⓘ
Sep 15, 2016, 10:34:49 PM Self test - passed
Sep 15, 2016, 09:25:40 PM /Library/Logs/DiagnosticReports/quicklookd_2016-09-15-212540_[redacted].cpu_resource.diag [Details]
/System/Library/Frameworks/QuickLook.framework/Resources/quicklookd.app/Contents/MacOS/quicklookd
Sep 15, 2016, 09:24:29 PM /Library/Logs/DiagnosticReports/Adobe Photoshop CC 2015_2016-09-15-212429_[redacted].hang
/Applications/Adobe Photoshop CC 2015/Adobe Photoshop CC 2015.app/Contents/MacOS/Adobe Photoshop CC 2015