Problem description: 21.5" mid 2011 iMac Freezing and has little multicolored square pixels randomly appearing throughout the display
Problem description:
iMac Freezing
Little square multicolored pixels appearing/reappearing
EtreCheck version: 2.2 (132)
Report generated 7/1/15, 5:12 PM
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Hardware Information: ℹ️
iMac (21.5-inch, Mid 2011) (Technical Specifications)
iMac - model: iMac12,1
1 2.5 GHz Intel Core i5 CPU: 4-core
12 GB RAM Upgradeable
BANK 0/DIMM0
2 GB DDR3 1333 MHz ok
BANK 1/DIMM0
2 GB DDR3 1333 MHz ok
BANK 0/DIMM1
4 GB DDR3 1333 MHz ok
BANK 1/DIMM1
4 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
AMD Radeon HD 6750M - VRAM: 512 MB
iMac 1920 x 1080
System Software: ℹ️
OS X 10.10.3 (14D136) - Time since boot: 0:5:22
Disk Information: ℹ️
WDC WD5000AAKS-402AA0 disk0 : (500.11 GB)
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 499.25 GB (376.89 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
OPTIARC DVD RW AD-5680H
USB Information: ℹ️
Apple Inc. FaceTime HD Camera (Built-in)
Seagate BUP Slim BK 2 TB
EFI (disk1s1) <not mounted> : 210 MB
Seagate Backup Plus Drive (disk1s2) /Volumes/Seagate Backup Plus Drive : 2.00 TB (1.70 TB free)
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Internal Memory Card Reader
Apple Computer, Inc. IR Receiver
Thunderbolt Information: ℹ️
Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
Mac App Store and identified developers
Kernel Extensions: ℹ️
/Library/Application Support/Symantec/Protector
[not loaded] com.symantec.kext.protector.panther (1.0f5) [Click for support]
[not loaded] com.symantec.kext.protector.tigerplus (1.0f5) [Click for support]
/System/Library/Extensions
[not loaded] com.omnikey.cm4040.driver (1.2) [Click for support]
[loaded] com.seagate.driver.PowSecDriverCore (5.2.6 - SDK 10.4) [Click for support]
/System/Library/Extensions/Seagate Storage Driver.kext/Contents/PlugIns
[not loaded] com.seagate.driver.PowSecLeafDriver_10_4 (5.2.6 - SDK 10.4) [Click for support]
[loaded] com.seagate.driver.PowSecLeafDriver_10_5 (5.2.6 - SDK 10.5) [Click for support]
[not loaded] com.seagate.driver.SeagateDriveIcons (5.2.6 - SDK 10.4) [Click for support]
Problem System Launch Daemons: ℹ️
[running] com.seagate.TBDecorator.plist [Click for support]
Launch Agents: ℹ️
[not loaded] com.hp.help.tocgenerator.plist [Click for support]
[not loaded] com.hp.productresearch.plist [Click for support]
[loaded] com.oracle.java.Java-Updater.plist [Click for support]
[not loaded] com.thursby.pkard.tokendagent.plist [Click for support]
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist [Click for support]
[loaded] com.macpaw.CleanMyMac3.Agent.plist [Click for support]
[loaded] com.microsoft.office.licensing.helper.plist [Click for support]
[loaded] com.oracle.java.Helper-Tool.plist [Click for support]
[loaded] com.oracle.java.JavaUpdateHelper.plist [Click for support]
User Launch Agents: ℹ️
[not loaded] com.adobe.ARM.[...].plist [Click for support]
[loaded] com.macpaw.CleanMyMac3.Scheduler.plist [Click for support]
User Login Items: ℹ️
CleanMyMac 3 Menu Application (/Applications/CleanMyMac 3.app/Contents/MacOS/CleanMyMac 3 Menu.app)
Internet Plug-ins: ℹ️
JavaAppletPlugin: Version: Java 8 Update 45 Check version
FlashPlayer-10.6: Version: 18.0.0.194 - SDK 10.6 [Click for support]
Default Browser: Version: 600 - SDK 10.10
AdobePDFViewerNPAPI: Version: 10.1.14 [Click for support]
AdobePDFViewer: Version: 10.1.14 [Click for support]
Flash Player: Version: 18.0.0.194 - SDK 10.6 [Click for support]
QuickTime Plugin: Version: 7.7.3
RL Secure Plug-In Layer: Version: Unknown - SDK 10.5 [Click for support]
SharePointBrowserPlugin: Version: 14.5.2 - SDK 10.6 [Click for support]
iPhotoPhotocast: Version: 7.0 - SDK 10.8
User internet Plug-ins: ℹ️
ContentManager: Version: Unknown - SDK 10.5 [Click for support]
RocketEngine: Version: Unknown - SDK 10.5 [Click for support]
UploadManager: Version: Unknown - SDK 10.5 [Click for support]
3rd Party Preference Panes: ℹ️
Flash Player [Click for support]
Java [Click for support]
Seagate Dashboard for Mac OSX [Click for support]
Time Machine: ℹ️
Skip System Files: NO
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 499.25 GB Disk used: 122.36 GB
Destinations:
Seagate Backup Plus Drive [Local]
Total size: 2.00 TB
Total number of backups: 63
Oldest backup: 2015-03-30 16:08:43 +0000
Last backup: 2015-07-01 20:26:09 +0000
Size of backup disk: Excellent
Backup size 2.00 TB > (Disk size 499.25 GB X 3)
Top Processes by CPU: ℹ️
2% fontd
2% WindowServer
0% taskgated
0% mds
0% askpermissiond
Top Processes by Memory: ℹ️
749 MB kernel_task
209 MB mds_stores
160 MB mdworker(12)
74 MB Safari
74 MB iconservicesagent(2)
Virtual Memory Information: ℹ️
8.91 GB Free RAM
3.08 GB Used RAM
0 B Swap Used
Diagnostics Information: ℹ️
Jul 1, 2015, 05:04:24 PM Self test - passed
iMac, OS X Yosemite (10.10.3)