Update: 3/30/18: First, thanks so much to everyone who has given me suggestions to try. I really appreciate all of you taking the time to offer your thoughts.
I opened the iMac up and vacuumed out all of the dust (there was a lot). It still would not start up when I had both RAM cards in (even if I used other RAM cards that I had from a different iMac). When I put one RAM card in (didn't matter which slot), I got the startup chime. I waited several minutes, but the display was still black. However, I WAS able to connect to the machine with TeamViewer now! I was at least able to pull off all of my documents, pictures, etc. I ran Disk Utility Verify Disk--it said that the HD appeared to be OK. I ran permissions repair, and here is what it said: Repairing permissions for “Macintosh HD”Permissions differ on “System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/XProtect.meta.plist”; should be -rw-r--r-- ; they are lrw-r--r-- .Repaired “System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/XProtect.meta.plist ”Permissions differ on “System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/XProtect.plist”; should be -rw-r--r-- ; they are lrw-r--r-- .Repaired “System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/XProtect.plist”Permissions differ on “Applications/Safari.app/Contents/Resources/Safari.help/Contents/Resources/index.html”; should be lrwxr-xr-x ; they are -rwxr-xr-x .Repaired “Applications/Safari.app/Contents/Resources/Safari.help/Contents/Resources/index.html”Warning: SUID file “System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAgent” has been modified and will not be repaired. Permissions differ on “Applications/Safari.app/Contents/MacOS/SafariForWebKitDevelopment”; should be -rwxr-xr-x ; they are lrwxr-xr-x .Repaired “Applications/Safari.app/Contents/MacOS/SafariForWebKitDevelopment” Permissions repair complete I ran Permissions Repair twice, but both times, it said the info above. Then I ran EtreCheck. That report is below. Any other thoughts on what might be wrong? Thanks so much! EtreCheck version: 4.1.4 (4A203) Report generated: 2018-03-31 20:18:08 Download EtreCheck from https://etrecheck.com Runtime: 5:51 Performance: Below Average Problem: Other problem Description: Won’t start up with both RAM sticks installed. Will only start up with one RAM stick installed, and even then, the display is dark. I ran EtreCheck by using TeamViewer remotely. Major Issues: Anything that appears on this list needs immediate attention. Old operating system - Old operating system versions no longer receive security updates. Low RAM - This machine has insufficient RAM. Obsolete hardware - This machine may be considered obsolete. Minor Issues: These issues do not need immediate attention but they may indicate future problems. Upgradeable RAM - This machine has upgradeable RAM that would help its performance. Small backup drive - Time Machine backup drive is too small. Unsigned files - There is unsigned software installed. They appear to be legitimate but should be reviewed. Low performance - EtreCheck report took over 5 minutes to run. This is unusual. 32-bit Apps - This machine has 32-bits apps that may have problems in the future. Hardware Information: iMac (24-inch, Early 2008) - Obsolete! iMac Model: iMac8,1 1 2.8 GHz Intel Core 2 Duo (Duo) CPU: 2-core 2 RAM Upgradeable BANK 0/DIMM0 2 GB DDR2 SDRAM 800 ok BANK 1/DIMM1 Empty Video Information: Unknown Display 1280 x 1024 @ 60 Hz Drives: disk0 - Hitachi HDP725032GLA380 320.07 GB (Mechanical) Internal SATA 3 Gigabit Serial ATA disk0s1 - EFI [EFI] 210 MB disk0s2 - Macintosh HD (Journaled HFS+) 319.21 GB disk0s3 - Recovery HD [Recovery] 650 MB disk1 - SuperDrive 4.94 GB (Unknown) Internal ATAPI disk2 - Lexar USB Flash Drive Media 16.00 GB (Unknown) External USB Mounted Volumes: disk0s2 - Macintosh HD 319.21 GB (296.40 GB free) Journaled HFS+ Mount point: / disk1s3 - A***********************c 4.94 GB (84 MB free) HFS+ Mount point: /Volumes/Applications Install Disc disk2s1 - I*******************e 16.00 GB (10.22 GB free) Journaled HFS+ Mount point: /Volumes/Install OS X Yosemite Network: Interface Bluetooth-Modem: Bluetooth DUN Interface en0: Ethernet One IPv4 address Interface fw0: FireWire Interface en1: Wi-Fi 802.11 a/b/g/n One IPv4 address Interface en2: Bluetooth PAN System Software: OS X Yosemite 10.10.5 (14F2511) Time since boot: About an hour System Load: 1.73 (1 min ago) 1.79 (5 min ago) 1.80 (15 min ago) Security: System Status Gatekeeper Mac App Store and identified developers Unsigned Files: Launchd: /Library/LaunchAgents/org.chromium.chromoting.plist Executable: /Library/PrivilegedHelperTools/org.chromium.chromoting.me2me.sh --run-from-launchd Details: Exact match found in the whitelist - probably OK 32-bit Applications: 10 32-bit apps Kernel Extensions: /Library/Extensions [Loaded] SophosFileProtection.kext (9.7.4 - SDK 10.12) [Loaded] SophosWebProtection.kext (9.7.4 - SDK 10.12) System Launch Agents: [Not Loaded] 5 Apple tasks [Loaded] 164 Apple tasks [Running] 43 Apple tasks System Launch Daemons: [Not Loaded] 45 Apple tasks [Loaded] 147 Apple tasks [Running] 70 Apple tasks Launch Agents: [Running] com.teamviewer.teamviewer_desktop.plist (TeamViewer GmbH - installed 2018-03-31) [Running] com.teamviewer.teamviewer.plist (TeamViewer GmbH - installed 2018-03-31) [Running] com.sophos.home.ui.plist (Sophos - installed 2018-03-08) [Loaded] com.google.keystone.agent.plist (Google, Inc. - installed 2018-03-22) [Running] com.sophos.agent.plist (Sophos - installed 2018-03-08) [Running] org.chromium.chromoting.plist (? 81572da9 - installed 2018-03-06) Launch Daemons: [Running] com.teamviewer.teamviewer_service.plist (TeamViewer GmbH - installed 2018-03-31) [Loaded] com.teamviewer.Helper.plist (TeamViewer GmbH - installed 2018-03-20) [Loaded] com.adobe.fpsaud.plist (Adobe Systems, Inc. - installed 2018-02-23) [Loaded] com.google.keystone.daemon.plist (Google, Inc. - installed 2018-03-22) [Running] com.sophos.common.servicemanager.plist (Sophos - installed 2018-03-08) User Login Items: iTunesHelper Application (Apple, Inc. - installed 2018-01-25) (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app) Jacquie Lawson Quick Send Widget 2017 Application (/Applications/Jacquie Lawson Quick Send Widget 2017.app) Internet Plug-ins: DirectorShockwave: 12.2.5r195 (installed 2016-09-01) QuickTime Plugin: 7.7.3 (installed 2017-11-26) Flash Player: 29.0.0.113 (installed 2018-03-17) FlashPlayer-10.6: 29.0.0.113 (installed 2018-03-17) Default Browser: 600 (installed 2015-07-16) 3rd Party Preference Panes: Flash Player (installed 2018-02-23) Time Machine: Skip System Files: Mobile backups: Auto backup: Yes Volumes being backed up: Macintosh HD: Disk size: 319.21 GB - Disk used: 22.81 GB Destinations: T******************s [Local] (Last used) Total size: 32.12 GB Total number of backups: 3 Oldest backup: 2018-03-18 01:03:53 Last backup: 2018-03-22 20:25:43 Top Processes by CPU: Process (count) Source % of CPU WindowServer Apple 17 TeamViewer_Desktop TeamViewer GmbH 16 mds Apple 10 mdworker (6) Apple 4 TeamViewer_Service TeamViewer GmbH 2 Top Processes by Memory: Process (count) Source RAM usage kernel_task Apple 208 MB TeamViewer_Desktop TeamViewer GmbH 166 MB SophosScanD 114 MB soffice 113 MB WindowServer Apple 56 MB Top Processes by Energy Use: Process (count) Source Energy usage (0-100) WindowServer Apple 10 TeamViewer_Desktop TeamViewer GmbH 8 TeamViewer_Service TeamViewer GmbH 1 launchd Apple 0 TeamViewer TeamViewer GmbH 0 Virtual Memory Information: Available RAM 653 MB Free RAM 15 MB Used RAM 1.36 GB Cached files 638 MB Swap Used 21 MB Software Installs (past 30 days): Name Version Install Date TeamViewer 13.1.2991 2018-03-22 Diagnostics Information (past 7 days): 2018-03-31 18:38:35 Last Shutdown Cause: 0 - Power loss (once) 2018-03-26 19:10:20 storeassetd CPU (once) 2018-03-26 19:08:57 remoting_me2me_host Crash (once) End of report On Monday, March 26, 2018 at 8:27:21 PM UTC-6, fishj...@gmail.com wrote: > > Hi all, > My mom's 2008 iMac with Yosemite and 4 GB RAM will no longer start. (Sorry > that I don't more specs, but it won't start) > When I push the power button, all I hear is a clicking sound near the > optical drive. No startup chime. > > What I have tried: > If I unplug the machine, and remove the two 2GB RAM cards and then try to > start, I get the "no RAM present" tone. > If I then unplug it, put one of the RAM cards in, and then push the power > button, I hear the startup chime, but the screen is dark. > > I have tried booting from a flash drive with Yosemite, and booting from > the AHT disk, but to no avail. > > The same thing happened last week, and I kept swapping RAM cards out with > some old 1 GB RAM cards from a previous machine. Somehow, it eventually > started and the screen came on. > I was able to run the Apple Hardware Test, which gave this error: > 4MOT/2/40000004:HDD -1392, and a subsequent running of the AHT gave the > same error, with -1384 at the end. > > After searching the internet, some folks said that the error was a HD fan > error. Some suggesting vacuuming as much dust out as possible, which I did. > Then I ran the AHT again, and it found no errors. > I also ran Disk Utility, which found and corrected permissions errors. It > did not indicate other problems. > > The machine worked fine for about a week, but today when I tried to wake > it, I got a black and white checked screen. I had to force it to shut down, > and now it will not start again. I get the same clicking sound near the > optical drive. However, if I pull out one of the RAM cards, I can get a > startup chime, but I still have a black screen. > > Any thoughts on this issue, or how to troubleshoot it? > Thanks! > Joe > > -- You received this message because you are a member of the iMac Group, a group for those using Apple iMacs and eMacs. 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