Merci de prendre ce cas en considération.
Voici les infos sur ma machine:
Model Name: iMac
Model Identifier: iMac10,1
Processor Name: Intel Core 2 Duo
Processor Speed: 3.06 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache: 3 MB
Memory: 16 GB
Bus Speed: 1.07 GHz
Boot ROM Version: IM101.00CC.B00
SMC Version (system): 1.52f9
Serial Number (system): W**********
Hardware UUID: AAAF9C39-BB5A-575D-A36D-932961A0CBAD
Il est de fin 2009 et est connecté en WiFi sur le même routeur que les deux autres. J'ai également essayé de le brancher directement par cable, sans obtenir aucune amélioration sensible.
Voici également un rapport EtreCheck réalisé il y a deux mois:
EtreCheck version: 3.1.5 (343)
Report generated 2017-04-17 10:16:40
Download EtreCheck from https://etrecheck.com
Runtime 2:05
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: No problem - just checking
Hardware Information: ⓘ
iMac (21.5-inch, Late 2009)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac10,1
1 3.06 GHz Intel Core 2 Duo (Duo) CPU: 2-core
16 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
4 GB DDR3 1067 MHz ok
BANK 1/DIMM0
4 GB DDR3 1067 MHz ok
BANK 0/DIMM1
4 GB DDR3 1067 MHz ok
BANK 1/DIMM1
4 GB DDR3 1067 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ⓘ
NVIDIA GeForce 9400 - VRAM: 256 MB
iMac 1920 x 1080
System Software: ⓘ
macOS Sierra 10.12.4 (16E195) - Time since boot: about one day
Disk Information: ⓘ
Hitachi HDT721050SLA360 disk0 : (500.11 GB) (Rotational)
[Show SMART report]
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / [Startup]: 499.25 GB (229.79 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
HL-DT-ST DVDRW GA11N ()
USB Information: ⓘ
Apple Inc. Built-in iSight
Apple Card Reader
Apple Computer, Inc. IR Receiver
Mitsumi Electric Apple Optical USB Mouse
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Configuration files: ⓘ
/etc/hosts - Count: 1
Gatekeeper: ⓘ
Mac App Store and identified developers
Kernel Extensions: ⓘ
/Applications/Toast 10 Titanium/Toast Titanium.app
[not loaded] com.roxio.BluRaySupport (1.1.6 - 2011-05-02) [Support]
/Applications/Wireless Auto Import.app
[not loaded] com.sony.driver.dsccamFirmwareUpdaterType00 (1.2.00.01242
- SDK 10.6 - 2016-03-09) [Support]
/Library/Extensions
[not loaded] com.sony.driver.dsccamDeviceInfo00 (1.3.0.07310 - SDK 10.7 -
2017-04-07) [Support]
~/Library/Services/ToastIt.service/Contents/MacOS
[not loaded] com.roxio.TDIXController (2.0 - 2011-05-02) [Support]
System Launch Agents: ⓘ
[not loaded] 7 Apple tasks
[loaded] 172 Apple tasks
[running] 103 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 40 Apple tasks
[loaded] 175 Apple tasks
[running] 103 Apple tasks
Launch Agents: ⓘ
[not loaded] SookasaScriptingAdditions.osax.plist (2016-10-23) [Support]
[loaded] com.google.keystone.agent.plist (2017-01-14) [Support]
[loaded] com.oracle.java.Java-Updater.plist (2017-02-22) [Support]
[running] com.sookasa.agent.plist (2016-10-23) [Support]
Launch Daemons: ⓘ
[loaded] com.adobe.ARMDC.Communicator.plist (2017-01-11) [Support]
[loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (2017-01-11)
[Support]
[loaded] com.adobe.fpsaud.plist (2017-03-24) [Support]
[loaded] com.adobe.versioncueCS4.plist (2010-07-06) [Support]
[loaded] com.apple.aelwriter.plist (2010-07-06)
[loaded] com.bombich.ccc.plist (2015-01-11) [Support]
[loaded] com.bombich.ccchelper.plist (2017-03-19) [Support]
[loaded] com.google.keystone.daemon.plist (2017-01-23) [Support]
[loaded] com.microsoft.office.licensing.helper.plist (2014-02-26) [Support]
[loaded] com.oracle.java.Helper-Tool.plist (2016-12-13) [Support]
[loaded] com.sookasa.daemon.plist (2016-10-23) [Support]
[running] com.starfield.backupservice.plist (2013-10-04) [Support]
[not loaded] com.teamviewer.teamviewer_service.plist (2014-09-09)
[Support]
[loaded] org.macosforge.xquartz.privileged_startx.plist (2014-08-12)
[Support]
User Launch Agents: ⓘ
[failed] com.adobe.ARM.[...].plist (2010-12-18) [Support] -
/Applications/Adobe Reader.app/Contents/MacOS/Updater/Adobe Reader
Updater Helper.app/Contents/MacOS/Adobe Reader Updater Helper:
Executable not found!
[loaded] com.dropbox.DropboxMacUpdate.agent.plist (2017-04-15)
[Support]
[running] com.microsoft.LaunchAgent.SyncServicesAgent.plist (2017-04-16)
[Support]
User Login Items: ⓘ
Sookasa Application
(/Applications/Sookasa.app)
System Events Application
(/System/Library/CoreServices/System Events.app)
Dropbox Application Hidden
(/Applications/Dropbox.app)
Internet Plug-ins: ⓘ
nplastpass: 3.1.21 (2014-10-12) [Support]
Google Earth Web Plug-in: 6.1 (2011-10-17) [Support]
OfficeLiveBrowserPlugin: 12.3.6 (2013-03-19) [Support]
Flip4Mac WMV Plugin: 2.3.8.1 (2011-01-14) [Support]
OVSHelper: 1.1 (2016-03-31) [Support]
AdobePDFViewerNPAPI: 17.009.20044 - SDK 10.11 (2017-04-13) [Support]
FlashPlayer-10.6: 25.0.0.148 - SDK 10.9 (2017-04-11) [Support]
DivX Web Player: 3.5.5.3 - SDK 10.10 (2016-03-29) [Support]
Silverlight: 5.1.41212.0 - SDK 10.6 (2016-02-16) [Support]
QuickTime Plugin: 7.7.3 (2017-04-07)
Flash Player: 25.0.0.148 - SDK 10.9 (2017-04-11) [Support]
iPhotoPhotocast: Unknown (2010-07-04)
SharePointBrowserPlugin: 14.4.6 - SDK 10.6 (2014-11-19) [Support]
AdobePDFViewer: 17.009.20044 - SDK 10.11 (2017-04-13) [Support]
JavaAppletPlugin: Java 8 Update 121 build 13 (2017-02-22) Check version
User internet Plug-ins: ⓘ
WebEx: 1.0 (2009-10-22) [Support]
Google Earth Web Plug-in: 7.1 (2013-10-07) [Support]
Safari Extensions: ⓘ
LastPass - LastPass - https://lastpass.com (2015-01-18)
Slick Savings - Spigot, Inc. (2014-09-02)
3rd Party Preference Panes: ⓘ
Adobe Version Cue CS4 (2010-07-06) [Support]
Flash Player (2017-03-24) [Support]
Flip4Mac WMV (2011-01-13) [Support]
FUSE for OS X (2015-06-25) [Support]
iPhotoWebShare (2005-04-28) [Support]
Java (2017-02-22) [Support]
Time Machine: ⓘ
Skip System Files: NO
Mobile backups: OFF
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 499.25 GB Disk used: 269.45 GB
Destinations:
IMAC [Local]
Total size: 1.00 **
Total number of backups: 21
Oldest backup: 23.10.15, 13:41
Last backup: 02.04.17, 14:27
Size of backup disk: Adequate
Backup size 1.00 ** > (Disk used 269.45 GB X 3)
Top Processes by CPU: ⓘ
12% kernel_task
9% firefox
6% helpd
6% WindowServer
1% securityd
Top Processes by Memory: ⓘ
1.10 GB firefox
1.06 GB kernel_task
705 MB softwareupdated
295 MB mds_stores
246 MB Dropbox
Virtual Memory Information: ⓘ
9.36 GB Available RAM
882 MB Free RAM
6.64 GB Used RAM
8.50 GB Cached files
0 B Swap Used
Diagnostics Information: ⓘ
Apr 16, 2017, 02:49:10 PM ~/Library/Logs/DiagnosticReports/Tonality CK
extension_2017-04-16-144910_[redacted].crash
com.macphun.tonalityPro.photoextension - /Applications/Creative Kit
2016/Tonality CK.app/Contents/PlugIns/Tonality CK
extension.appex/Contents/MacOS/Tonality CK extension
Apr 16, 2017, 02:49:03 PM ~/Library/Logs/DiagnosticReports/Noiseless CK
Extention_2017-04-16-144903_[redacted].crash
com.macphun.noiselessPro.photoextension - /Applications/Creative Kit
2016/Noiseless CK.app/Contents/PlugIns/Noiseless CK
Extention.appex/Contents/MacOS/Noiseless CK Extention
Apr 16, 2017, 02:03:05 PM /Library/Logs/DiagnosticReports/firefox_2017-04-
16-140305_[redacted].cpu_resource.diag [Details]
/Applications/Firefox.app/Contents/MacOS/firefox
Apr 16, 2017, 01:08:18 PM Self test - passed
<Information Personnelle Modifiée par l’Hôte>