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My iMac screen sometime times shuts off for a minute on its own

My iMac screen sometime times shuts off for a minute on its own is there a way to solve this issue?

iMac, macOS 10.13

Posted on Apr 28, 2021 4:20 AM

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Apr 28, 2021 7:59 AM in response to manab63

Please navigate to www.Etrecheck.com and download the free version of EtreCheck. Once you have you downloaded the app and installed it, please run the report and save it. This report will help us get a good idea what has been installed on your system and help us be able to diagnose what may be wrong.


When you have your report, you can attach it when you reply to this message and we can then review it and help you determine what is needed to get your system running well again. 


For instructions on how to download your EtreCheck report and attach it to your reply to this message please click https://discussions.apple.com/docs/DOC-250000211


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Apr 28, 2021 11:13 AM in response to manab63

Unfortunately your computer has a number of issues, first is it's age. It is now 12 + year old and has been considered obsolete for many years now. I mention this as it is entirely possible your hardware is failing. For this reason I recommend that you consider replacing the computer with a more up to date machine.


Next, I see some alarming items:


  • Adobe Flash is still installed and is a security risk, Adobe has obsoleted Flash and recommends that it be uninstalled. Please visit Adobe's website for instructions.
  • You have a large number of third party apps installed that could be considered cleaning or third party maintenance apps. These are 100% unneccessary and frequently have the exact opposite effects on Mac OS that a user wants. They tend to make Mac OS slow, appear buggy and give unexpected behavior similar to what you are experiencing. My recommendation would be to backup, then reformat which erases everything on the computer and then re-install Mac OS and start over.
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Apr 28, 2021 9:03 AM in response to rkaufmann87

EtreCheckPro version: 6.4.4 (6E015) Report generated: 2021-04-28 17:46:20 Download EtreCheckPro from https://etrecheck.com Runtime: 11:18 Performance: Below Average Problem: Other problem Description: Screen goes black Major Issues: Anything that appears on this list needs immediate attention. Time Machine backup out-of-date - The last Time Machine backup is over 10 days old. Hard drive too slow - The hard drive in this computer is too slow. Obsolete hardware - This computer may be considered obsolete. Adobe Flash Player installed - Adobe Flash Player is installed on this computer. This is a security risk and no longer supported. Minor Issues: These issues do not need immediate attention but they may indicate future problems or opportunities for improvement. Unsigned files - There are unsigned software files installed. Apple has said that unsigned software will not run by default in a future version of the operating system. 32-bit Apps - This computer has 32-bits apps will not work on current versions of the operating system. Kernel extensions present - This computer has kernel extensions that may not work in the future. Sharing enabled - This computer has sharing services enabled that could be a security risk. Hardware Information: iMac (2009) - Obsolete! iMac Model: iMac10,1 3.06 GHz Intel Core 2 Duo (Duo) CPU: 2-core 4 GB RAM - Upgradeable BANK 0/DIMM0 - Empty BANK 1/DIMM0 - Empty BANK 0/DIMM1 - 2 GB DDR3 1067 BANK 1/DIMM1 - 2 GB DDR3 1067 Video Information: NVIDIA GeForce 9400 - VRAM: 256 MB iMac 1920 x 1080 Drives: disk0 - ST3500418ASQ 500.11 GB (Mechanical - 7200 RPM) Internal SATA 3 Gigabit Serial ATA disk0s1 - EFI (MS-DOS FAT32) [EFI] 210 MB disk0s2 - M*********** (Journaled HFS+) 499.25 GB (423.66 GB used) disk0s3 - Recovery HD (Journaled HFS+) [Recovery] 650 MB Mounted Volumes: disk0s2 - M*********** 499.25 GB (423.66 GB used, 128.95 GB available, 75.33 GB free) Journaled HFS+ Mount point: / Network: Interface en1: Wi-Fi 802.11 a/b/g/n Interface en0: Ethernet Interface fw0: FireWire Interface en3: iPhone Interface en2: Bluetooth PAN iCloud Quota: 73.83 GB available File sharing: Enabled Printer sharing: Enabled System Software: macOS High Sierra 10.13.6 (17G14042) Time since boot: Less than an hour Configuration Files: File /etc/launchd.conf exists but not expected Notifications: Spark.app one notification CleanerOnePro.app one notification (one scheduled) Security: Gatekeeper: App Store and identified developers System Integrity Protection: Enabled Antivirus software: Apple Security Risk! - Adobe Flash Player installed! File sharing: Enabled Printer sharing: Enabled Unsigned Files: Plugin: /Library/Internet Plug-Ins/Flash Player.plugin/Flash Player.plugin/Contents/PlugIns/FlashPlayer-10.6.plugin Plugin: /Library/Internet Plug-Ins/Flash Player.plugin/Flash Player.plugin Plugin: /Library/Internet Plug-Ins/Default Browser.plugin Plugin: /Library/Internet Plug-Ins/SharePointBrowserPlugin.plugin Plugin: /Library/Internet Plug-Ins/Unity Web Player.plugin Plugin: /Library/Internet Plug-Ins/Silverlight.plugin Plugin: /Library/Internet Plug-Ins/DirectorShockwave.plugin Plugin: /Library/Internet Plug-Ins/JavaAppletPlugin.plugin Plugin: ~/Library/Internet Plug-Ins/RealPlayer Plugin.plugin Plugin: ~/Library/Internet Plug-Ins/Google Earth Web Plug-in.plugin Preference Pane: /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/lib/deploy/JavaControlPanel.prefPane Apps: 13 32-bit Applications: 87 32-bit apps Kernel Extensions: /Applications/Toast 11 Titanium/Spin Doctor.app [Not Loaded] Terminus.kext - com.hzsystems.terminus.driver (4) /Applications/Toast 11 Titanium/Toast Titanium.app [Not Loaded] RoxioBluRaySupport.kext - com.roxio.BluRaySupport (1.1.6) /System/Library/Extensions [Not Loaded] hp_fax_io.kext - com.hp.kext.hp-fax-io (5.11.0 - SDK 10.8) [Not Loaded] hp_io_enabler_compound.kext - com.hp.kext.io.enabler.compound (3.2.0) [Not Loaded] JMicronATA.kext - com.jmicron.JMicronATA (1.1.6) ~/Library/Services/ToastIt.service/Contents/MacOS [Not Loaded] TDIXController.kext - com.roxio.TDIXController (2.0) System Launch Agents: [Not Loaded] 16 Apple tasks [Loaded] 181 Apple tasks [Running] 97 Apple tasks System Launch Daemons: [Not Loaded] 35 Apple tasks [Loaded] 196 Apple tasks [Running] 105 Apple tasks [Other] One Apple task Launch Daemons: [Loaded] com.trendmicro.TrendCleanerPro.HelperTool.plist (Trend Micro, Inc. - installed 2020-08-05) User Launch Agents: [Not Loaded] com.google.keystone.agent.plist (Google, Inc. - installed 2021-04-16) [Not Loaded] com.google.keystone.xpcservice.plist (Google, Inc. - installed 2021-04-16) User Login Items: [Running] CIJSULAgent (Canon Inc. - installed 2020-10-19) Modern Login Item /Applications/Canon Utilities/IJ Scan Utility/Canon IJ Scan Utility Lite.app/Contents/Library/LoginItems/CIJSULAgent.app [Running] CanonIJExtendedSurveyLaunchAgent (Canon Inc. - installed 2020-10-19) Modern Login Item /Applications/Canon Utilities/Inkjet Extended Survey Program/Inkjet Extended Survey Program.app/Contents/MacOS/ESPController.app/Contents/Library/LoginItems/CanonIJExtendedSurveyLaunchAgent.app [Loaded] TCLoginItemHelperPro (Trend Micro, Inc. - installed 2021-04-16) Modern Login Item /Applications/CleanerOnePro.app/Contents/Library/LoginItems/TCLoginItemHelperPro.app [Not Loaded] Launcher Disabler (App Store - installed 2021-04-22) Modern Login Item /Applications/OneDrive.app/Contents/Library/LoginItems/Launcher Disabler.app [Not Loaded] OneDrive Launcher (App Store - installed 2021-04-22) Modern Login Item /Applications/OneDrive.app/Contents/Library/LoginItems/OneDrive Launcher.app [Not Loaded] WhatsApp Login Helper (WhatsApp Inc. - installed 2020-03-29) Modern Login Item /Applications/WhatsApp.app/Contents/Library/LoginItems/WhatsApp Login Helper.app [Not Loaded] YSGKH5J2H6.com.iflicksapp.iFlicksWatchFolderHelper (App Store - installed 2021-03-26) Modern Login Item /Applications/iFlicks.app/Contents/Library/LoginItems/YSGKH5J2H6.com.iflicksapp.iFlicksWatchFolderHelper.app [Not Loaded] PhotoStreamAgent (App Store - installed 2015-04-03) Modern Login Item /Applications/iPhoto.app/Contents/Library/LoginItems/PhotoStreamAgent.app [Running] iTunesHelper (Apple - installed 2021-04-28) Application /Applications/iTunes.app/Contents/MacOS/iTunesHelper.app [Not Loaded] HP Device Monitor (Hewlett Packard - installed 2016-08-31) Modern Login Item /Library/Printers/hp/Frameworks/HPDeviceMonitoring.framework/Versions/1.0/Helpers/HP Device Monitor Manager.app/Contents/Library/LoginItems/HP Device Monitor.app Internet Plug-ins: iPhotoPhotocast: 7.0 (Apple - installed 2013-05-10) FlashPlayer-10.6: 32.0.0.445 (? - installed 2020-10-19) AdobeAAMDetect: 3.0.0.0 (Adobe Inc. - installed 2020-10-19) Flash Player: 32.0.0.445 (? - installed 2020-10-19) Default Browser: (? - installed 2019-10-15) SharePointBrowserPlugin: 14.0.0 (? - installed 2010-08-25) Unity Web Player: UnityPlayer version 4.3.7f1 (? - installed 2014-05-25) Silverlight: 5.1.30514.0 (? - installed 2014-12-21) DirectorShockwave: 12.1.1r151 (? - installed 2014-04-16) JavaAppletPlugin: Java 8 Update 131 build 11 (? - installed 2017-05-26) Audio Plug-ins: BluetoothAudioPlugIn: 6.0.7 (Apple - installed 2020-10-19) iSightAudio: 7.7.3 (Apple - installed 2020-10-19) AirPlay: 2.0 (Apple - installed 2020-10-19) AppleAVBAudio: 683.1 (Apple - installed 2020-10-19) BridgeAudioSP: 4.69.2 (Apple - installed 2020-11-14) AppleTimeSyncAudioClock: 1.0 (Apple - installed 2020-10-19) 3rd Party Preference Panes: Flash Player (Adobe Inc. - installed 2020-09-26) Java (? - installed 2017-05-26) Backup: Auto backup: Yes Volumes being backed up: M*********** : Disk size: 499.25 GB - Disk used: 423.92 GB Destinations: S***********************e [Local] (Last used) Total size: 999.86 GB Total number of backups: 26 Oldest backup: 2019-02-18 19:58:16 Last backup: 2020-11-07 11:25:09 Performance: System Load: 2.40 (1 min ago) 3.75 (5 min ago) 2.02 (15 min ago) Nominal I/O speed: 2.70 MB/s File system: 91.60 seconds Write speed: 31 MB/s Read speed: 41 MB/s CPU Usage Snapshot: Type Overall System: 8 % User: 16 % Idle: 76 % Top Processes Snapshot by CPU: Process (count) CPU (Source - Location) system_profiler (2) 36.02 % (Apple) trustd (5) 22.56 % (Apple) EtreCheckPro 9.08 % (Etresoft, Inc.) WindowServer 3.68 % (Apple) kernel_task 1.22 % (Apple) Top Processes Snapshot by Memory: Process (count) RAM usage (Source - Location) EtreCheckPro 485 MB (Etresoft, Inc.) kernel_task 484 MB (Apple) com.apple.WebKit.WebContent (5) 430 MB (Apple) system_profiler (2) 316 MB (Apple) mdworker (14) 199 MB (Apple) Top Processes Snapshot by Network Use: Process (count) Input / Output (Source - Location) mDNSResponder 156 KB / 65 KB (Apple) apsd 5 KB / 8 KB (Apple) netbiosd 2 KB / 354 B (Apple) SystemUIServer 0 B / 88 B (Apple) kdc 0 B / 0 B (Apple) Top Processes Snapshot by Energy Use: Process (count) Energy (0-100) (Source - Location) mdworker (14) 4 (Apple) mdworker (5) 2 (?) WindowServer 1 (Apple) knowledge-agent 1 (Apple) mds 1 (Apple) Virtual Memory Information: Physical RAM: 4 GB Free RAM: 16 MB Used RAM: 2.85 GB Cached files: 1.13 GB Available RAM: 1.15 GB Swap Used: 0 B Software Installs (past 60 days): Install Date Name (Version) 2021-04-16 XProtectPlistConfigData (2144) 2021-04-16 MRTConfigData (1.77) 2021-04-18 Spark (2.9.19) 2021-04-22 OneDrive (21.052.0314) 2021-04-28 iTunes (12.8.3) 2021-04-28 WhatsApp (2.2114.9) Diagnostics Information (past 7-30 days): 2021-04-28 17:35:11 MRT.app Memory (4 times) Executable: /System/Library/CoreServices/MRT.app 2021-04-28 09:43:02 Canon TS3100 series.app Memory (2 times) Executable: /Users/***/Library/Printers/Canon TS3100 series.app End of report


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My iMac screen sometime times shuts off for a minute on its own

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