IMac 5K Occasionally not shutting down!

Hi I have an iMac 5K i7 4GHz with 256 Internal SSD & 32 GB Ram.
With it I use the LaCie Little Big Disk 1TB Thunderbolt 2 SSD.
I have this unusual problem that occasionally the iMac does not shut down when either using key commands, or from the finder menu.
The dock and top menu bar disappear but thats it. I'm left with just my desktop picture and no shut down.
If I go to the dock with my mouse it pops back, and if I open up an application...iTunes for example the top menu bar reappears.
I have to use the on/off button at the back of mac. Its annoying as ****. This can happen with iMac being switched on for a little or long while. There is no excessive fan noise or heat related problems. I have done a hardware test, again no problems reported.
It's as though something is still working in the background, not allowing it to shut down.
I have ejected the LaCie drive before shutdown but still no use. I have also reinstalled Yosemite and reset PRAM etc.
Any useful suggestions would be most welcome.
Has anyone else experienced this with any of their macs??

Sort of the same problem here.
I have two brand new iMacs 5K, both 4 Ghz model with 24 GB RAM. Yosemite 10.10.2. Used Migration assistant on both to transfer stuff from old Mac Pro. Both from a different workstation.
When I tell it to shut down, screen turns black and white stripe-wheel turns. sometimes it shuts down, most of the times wheel keeps turning, endlessly. have to manually force shut down with power button.
crappy

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Why does my iMac (on occasion) not shut down, warning message comes on saying i have to switch off by pressing and holding the power button then restart,

Why does my iMac (on occasion) not shut down, warning message comes on saying i have to switch off by pressing and holding the power button then restart, something to do with a Panic report?
Thanks
Brian

Hi mende1,
you asked me to post the Kernal panic report then next time it appears, sorry for the delay but it was fine until yesterday when it happened again so here it is, hope you can make sense of this, thank you for your help.
Regards
Brian
Interval Since Last Panic Report: 97797 sec
Panics Since Last Report:          1
Anonymous UUID:                    17D8F909-09A9-4BC6-A153-A12F75529506
Sun Jan 27 09:32:57 2013
panic(cpu 0 caller 0xffffff80002c4794): Kernel trap at 0xffffff80002b4b31, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x00000000800a9118, CR3: 0x0000000000100000, CR4: 0x0000000000000660
RAX: 0xffffff80008c2028, RBX: 0x00000000800a9100, RCX: 0xffffff800ae5bf00, RDX: 0x0000000000000080
RSP: 0xffffff8078713e68, RBP: 0xffffff8078713eb0, RSI: 0x000000005aefd876, RDI: 0x00000000800a9118
R8: 0x0000000000000010, R9: 0x0000000000000000, R10: 0xfffffe802662d000, R11: 0x00080000000263f3
R12: 0xffffff8078713f60, R13: 0xffffff8078713f78, R14: 0x0000000000000000, R15: 0x00000000800a9118
RFL: 0x0000000000010002, RIP: 0xffffff80002b4b31, CS: 0x0000000000000008, SS: 0x0000000000000010
CR2: 0x00000000800a9118, Error code: 0x0000000000000000, Faulting CPU: 0x0
Backtrace (CPU 0), Frame : Return Address
0xffffff8078713b10 : 0xffffff8000220792
0xffffff8078713b90 : 0xffffff80002c4794
0xffffff8078713d40 : 0xffffff80002da55d
0xffffff8078713d60 : 0xffffff80002b4b31
0xffffff8078713eb0 : 0xffffff80002352a5
0xffffff8078713ec0 : 0xffffff800036489d
0xffffff8078713ee0 : 0xffffff8000345031
0xffffff8078713fb0 : 0xffffff8000820057
BSD process name corresponding to current thread: kernel_task
Mac OS version:
11G63
Kernel version:
Darwin Kernel Version 11.4.2: Thu Aug 23 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64
Kernel UUID: FF3BB088-60A4-349C-92EA-CA649C698CE5
System model name: iMac10,1 (Mac-F2268CC8)
System uptime in nanoseconds: 1750251829240
last loaded kext at 51464252613: com.apple.filesystems.msdosfs          1.7.1 (addr 0xffffff7f815c7000, size 57344)
last unloaded kext at 215848970782: com.apple.driver.AppleFileSystemDriver          13 (addr 0xffffff7f825c2000, size 12288)
loaded kexts:
com.vmware.kext.vmnet          3.0.0
com.vmware.kext.vmioplug          3.0.0
com.vmware.kext.vmci          3.0.0
com.vmware.kext.vmx86          3.0.0
com.apple.filesystems.msdosfs          1.7.1
com.apple.driver.AppleBluetoothMultitouch          70.12
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.iokit.IOBluetoothSerialManager          4.0.8f17
com.apple.driver.AudioAUUC          1.59
com.apple.driver.AppleUpstreamUserClient          3.5.9
com.apple.GeForce          7.3.2
com.apple.driver.AppleLPC          1.6.0
com.apple.driver.AppleHDA          2.2.5a5
com.apple.driver.AppleMikeyDriver          2.2.5a5
com.apple.driver.AGPM          100.12.75
com.apple.driver.AppleBacklight          170.2.2
com.apple.driver.AppleMCCSControl          1.0.33
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AudioIPCDriver          1.2.3
com.apple.driver.ApplePolicyControl          3.1.33
com.apple.driver.ACPI_SMC_PlatformPlugin          5.0.0d8
com.apple.driver.BroadcomUSBBluetoothHCIController          4.0.8f17
com.apple.driver.AppleIRController          312
com.apple.driver.AppleUSBCardReader          3.0.6
com.apple.iokit.SCSITaskUserClient          3.2.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          33
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCISerialATAPI          2.0.3
com.apple.iokit.IOAHCIBlockStorage          2.1.0
com.apple.driver.AppleAHCIPort          2.3.1
com.apple.nvenet          2.0.17
com.apple.driver.AppleUSBHub          5.1.0
com.apple.driver.AirPort.Atheros40          505.67.1
com.apple.driver.AppleUSBEHCI          5.1.0
com.apple.driver.AppleUSBOHCI          5.1.0
com.apple.driver.AppleEFINVRAM          1.6.1
com.apple.driver.AppleFWOHCI          4.9.0
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleHPET          1.7
com.apple.driver.AppleACPIButtons          1.5
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.5
com.apple.driver.AppleAPIC          1.6
com.apple.driver.AppleIntelCPUPowerManagementClient          195.0.0
com.apple.nke.applicationfirewall          3.2.30
com.apple.security.quarantine          1.4
com.apple.security.TMSafetyNet          8
com.apple.driver.AppleIntelCPUPowerManagement          195.0.0
com.apple.driver.AppleBluetoothHIDKeyboard          160.7
com.apple.driver.AppleHIDKeyboard          160.7
com.apple.driver.AppleMultitouchDriver          231.4
com.apple.driver.IOBluetoothHIDDriver          4.0.8f17
com.apple.kext.triggers          1.0
com.apple.iokit.IOSerialFamily          10.0.5
com.apple.nvidia.nv50hal          7.3.2
com.apple.NVDAResman          7.3.2
com.apple.driver.DspFuncLib          2.2.5a5
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.driver.AppleHDAController          2.2.5a5
com.apple.iokit.IOHDAFamily          2.2.5a5
com.apple.iokit.IOSurface          80.0.2
com.apple.iokit.IOAudioFamily          1.8.6fc18
com.apple.kext.OSvKernDSPLib          1.3
com.apple.driver.AppleGraphicsControl          3.1.33
com.apple.iokit.IONDRVSupport          2.3.4
com.apple.iokit.IOGraphicsFamily          2.3.4
com.apple.driver.AppleSMC          3.1.3d10
com.apple.driver.IOPlatformPluginLegacy          5.0.0d8
com.apple.driver.IOPlatformPluginFamily          5.1.1d6
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.driver.AppleUSBBluetoothHCIController          4.0.8f17
com.apple.iokit.IOBluetoothFamily          4.0.8f17
com.apple.iokit.IOUSBHIDDriver          5.0.0
com.apple.iokit.IOSCSIBlockCommandsDevice          3.2.1
com.apple.iokit.IOUSBMassStorageClass          3.0.3
com.apple.driver.AppleUSBMergeNub          5.1.0
com.apple.driver.AppleUSBComposite          5.0.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.2.1
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOSCSIArchitectureModelFamily          3.2.1
com.apple.iokit.IOAHCIFamily          2.0.8
com.apple.iokit.IOUSBUserClient          5.0.0
com.apple.iokit.IO80211Family          420.3
com.apple.iokit.IONetworkingFamily          2.1
com.apple.iokit.IOUSBFamily          5.1.0
com.apple.driver.NVSMU          2.2.9
com.apple.driver.AppleEFIRuntime          1.6.1
com.apple.iokit.IOFireWireFamily          4.4.8
com.apple.iokit.IOHIDFamily          1.7.1
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          177.8
com.apple.kext.AppleMatch          1.0.0d1
com.apple.driver.DiskImages          331.7
com.apple.iokit.IOStorageFamily          1.7.2
com.apple.driver.AppleKeyStore          28.18
com.apple.driver.AppleACPIPlatform          1.5
com.apple.iokit.IOPCIFamily          2.7
com.apple.iokit.IOACPIFamily          1.4
Model: iMac10,1, BootROM IM101.00CC.B00, 2 processors, Intel Core 2 Duo, 3.06 GHz, 4 GB, SMC 1.52f9
Graphics: NVIDIA GeForce 9400, NVIDIA GeForce 9400, PCI, 256 MB
Memory Module: BANK 0/DIMM1, 2 GB, DDR3, 1067 MHz, 0x80AD, 0x484D54313235533642465238432D47372020
Memory Module: BANK 1/DIMM1, 2 GB, DDR3, 1067 MHz, 0x80AD, 0x484D54313235533642465238432D47372020
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x8F), Atheros 9280: 4.0.67.5-P2P
Bluetooth: Version 4.0.8f17, 2 service, 18 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: ST3500418ASQ, 500.11 GB
Serial ATA Device: OPTIARC DVD RW AD-5680H
USB Device: Ext HDD 1021, 0x1058 (Western Digital Technologies, Inc.), 0x1021, 0x24300000 / 3
USB Device: Built-in iSight, apple_vendor_id, 0x8502, 0x24400000 / 2
USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0x26500000 / 3
USB Device: hub_device, 0x0409 (NEC Corporation), 0x0059, 0x26400000 / 2
USB Device: Tablet, 0x172f, 0x0037, 0x26410000 / 6
USB Device: Mass Storage Device, 0x058f (Alcor Micro, Corp.), 0x6362, 0x26430000 / 5
USB Device: USB 2.0 Hub [MTT], 0x1a40 (TERMINUS TECHNOLOGY INC.), 0x0101, 0x26440000 / 4
USB Device: JumpDrive, 0x05dc (Lexar Media, Inc.), 0xa205, 0x26441000 / 7
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x04500000 / 2
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06100000 / 2
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8215, 0x06110000 / 4

IMac 27" Not Shutting Down

Hi,
recently my iMac has begun not shutting down properly. For the past week or so, I have had numerous attempts at shutting down my iMac. When I begin the shutdown process, i.e. clicking 'shut down', the iMac gets to a white screen with a rotating symbol, like the start up screen but without the Apple Logo, and goes no further. I leave it for an hour, even more and it still does not shut down. What is the problem?
Thanks

I notice you're on 10.6.7. You might try upgrading to 10.6.8 and see if that helps. I'd recommend updating using the Combo updater instead of using Software Update.
You might also try starting your computer while holding Command and V. Then use it for a while, and try to shut down. Additional lines of text should be displayed, and the last few lines may give us some clues as to what's holding things up.

IMac intel 10.6.8 will not shut down. Blue screen comes on and spinning wheel goes round.

My iMac intel will not shut down. The version is 10.6.8. To turn it off I have to use the the power off button. Is there any one who can help me to solve the problem.
The blue screen comes on and the spinning wheel goes round and round until I have to turn it off by the power button.

I am having the same problem on my Mini. I found an earlier thread (now archived) that suggested that this spinning wheel on shutdown of SL has something to do with power management settings. Another idea was that it is related to EyeTV (which I do have running on this Mac).
Any ideas from the community on how to fix this would be greatly appreciated! (I have done the typical steps of repairing permissions and (from the Install CD) running Disk Utility, which reported no problems.)

IMac not shutting down

Ok, this is a problem I've been having for a little while now. So back when I had Mavericks, sometimes (and I do stress sometimes) when I tried to shut down my iMac via the apple drop down menu in the left hand corner, nothing would happen. It would act like it was going to shut down, the little pop up box stating it will shut down in 59 seconds with the little box to check if you want to re-open your windows came up and all. But if I click the shut down button on that box, nothing happens. Usually, if I had mail open, as it was trying to shut down the "Mail" icon at the top menu bar would highlight in blue and it would just stay. I could resolve this by simply opening safari and then shut it down while in safari. Then the screen would go gray and it would shut down with no problem. NOW no matter what I do, after clicking shut down on the little prompt box window that pops up after doing as I stated before, nothing happens at all. I can open apps, etc. but not the finder. I have tried every other way of getting it to shut down but it simply will not any other way then pressing the button. I have a late 2013 iMac with the i5 processor, etc. Now, I've seen threads from others about it taking very long and to try and clear "parallels" but in my daemon folder there is nothing and in my Launch folder there are only 3. None of which were mentioned in any of the threads I've seen. In fact, right now, as I type this, I tried shutting it down about 10 mins ago and here I am still using it. So it's not a slow shutdown. It's a not shutting down at all problem. I should mention that A: I did recently delete a user who when logged into their account, had a more frequent encounter with the first problem I mentioned. And B: after turning it off from the button on the back, waiting about 30 seconds and then turning it back on, If I restart it from the menu where it asks you if which user u want, it seems to shut down fine. Anyone else having this problem?

Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
The title of the Console window should be All Messages. If it isn't, select
SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
View ▹ Show Log List
from the menu bar at the top of the screen. Click the Clear Display icon in the toolbar. Then take one of the actions that you're having trouble with. Select any messages that appear in the Console window. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
The log contains a vast amount of information, almost all of which is irrelevant to solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
Some private information, such as your name, may appear in the log. Anonymize before posting.

IMac Not Shutting Down at Times???

Hey guys, I had an issue with my iMac when i bought it a year ago where it wasn't shutting down and the top menu bar would disappear after you would click shutdown. Then I would click on Safari and the top menu bar would reappear and I could then click on the apple icon to shutdown again. It would work at that point. I took it into Apple and to make a long story short they said they fixed it but when I picked it up they ended up giving me a new computer due to a whole other issue.
So that was back around June. I was still having the same shutdown issue at times with the new machine but not as much. Seemed like it would happen mostly if I quit Safari and shutdown the computer immediately after. If I wait a few extra seconds to shut down after closing Safari it seemed to not give me that problem. Sometimes it still would though.
So now I download Yosemite and now when I shutdown the same thing will happen except when I get the menu bar back and click shutdown nothing happens (the shutdown window does not come up) and I have to hold the power button down in the back to shut it off. I have had to do this about 3 times in the past week.
I have a genius bar appointment tomorrow because I can't take it anymore and I do not want to keep putting it off.
Anybody else have this issue?

Sometimes the system will present a dialog identifying the app that is preventing shutdown. Wait a sufficient amount of time (a few minutes is reasonable) before forcing it to shut down. The dialog may appear, or not.
You can examine system.log to determine the reason it's not shutting down. To do that use the Console app - it's in your Mac's Utilities folder. Time and date-stamped entries immediately following the shutdown request and prior to forcing it to shut down may reveal the cause. Copy and paste them in a reply to this message if you wish. Remove or obscure any information you may consider personal (such as your Mac's name).

IMac G5 Intel Early model 10.4.4 will not shut down

I have just replaced the internal HDD due to hardware failure in my iMac g5 (Intel early model) reinstalled the OS, applied all updates successfully. Problem is the machine WILL NOT SHUT DOWN. If I chose shut down, it will only restart! (As it does if I choose restart) Only way I can power it down, is to pull the plug or hold the power button in. It will go to sleep, after preset time on sys prefs. but will not shut down. HELP!!!!!!!!

iMac g5 (Intel early model)
There is no such Mac.
It is either an Intel Mac or a PPC Mac.
If yours is an Intel mac the correct forum is here:
http://discussions.apple.com/category.jspa?categoryID=189

How to get cd from optical player. No tool on desktop that I can use. Imac do not shut down.

A cd is tucked into the player and there is no thing on desktop to get it out. Its running all the time but das not show a thing. No label is as usuly on desktop and computer das not shutting down.

You could try these suggestions.
If your iMac will not shutdown normally, force a shutdown by pressing and holding the power button for a few seconds. Follow Step 3 above when restarting if you have not managed to eject the disc.

My iMac will not shut down cause it says my mail is open but it is not and i cannot open it from the bottom of the screen don't know what to do

my imac will not shut down cause it says my mail is open but it is not and i cannot open my mail from the bottom of the screen

Hi there, go in to the utilites of you applications folder and find "Mail" then go stop processes.
If you cannot find Mail then open mail up and follow the process as above.
Thanks an Appple Certified Mac Technician Trainee

Why does my iMac not shut down when I try to shut it down?

Wh does my iMac not shut down, or restart when I try to do either. It just sits there with the little loading circle continuously moving. The only way I can shut it down is if I hold down the power button to shut it down. Can anyone tell me why this is?
Thanks!

Open your Activity Monitor and check to see what is running?
If there is some important Process running, then it is better to wait until it has finished instead of cutting the power and corrupting who knows what?
If there is nothing important running, then follow the instructions in the link below for resetting the SMC.
Intel-based Macs: Resetting the System Management Controller (SMC)

Hi. I recently discovered my iMac not shutting down and stalls. Everything seems to disappear except my wallpaper. If I Then go to setting on my Dock the apple sign at the top appears for me to shutdown the second time. I asked one technician's what might

Hi. I recently discovered my iMac not shutting down and stalls. Everything seems to disappear except my wallpaper. If I Then go to setting on my Dock the apple sign at the top appears for me to shutdown the second time. I asked one technician’s what might be the problem. He said that maybe it is Flash Player that runs in the background and avoid the computer to shutdown. I uninstalled Flash Player and the problem was fixed. Now I can’t watch any YouTube videos. Is there something else I can do to use Flash Player again to avoid the shutdown problem?

If YouTube is your only worry, you could instruct it to use HTML5 in stead of Flash:https://www.youtube.com/html5
Be advised though that Flash is used for other web stuff too.

IMac will not shut down or restart using the apple menu

I have an iMac running 10.7.3 that will not shut down or restart using the apple menu. The only way to get this machine to shut down is to hold down the on/off button on the back of the computer. This has been a problem for quite some time and may have started with Lion, but I’m not sure. Any help is appreciated.

Hi...
Before you shut down, make sure you "quit" all open applications. Applications are running if you see the small blue reflection under the app's name in your Dock.
If necessary, you can force quit apps... several ways to do this. One, from your Apple menu > Force Quit or using the Activity Monitor located in /Applications/Utilities.
If it's not a question of open applications, try Resetting the System Management Controller (SMC)

Why will my Imac not shut down unless I force it off

I have 10.58 version and lately it is not shut down unless I force it by holding power off. How can I correct this.? Also, I get a continuous spin when I select share folder in my system preference so I can select share internet. I have Verizon mobile broadband.

We'd need to see them posted here to see if it was a problem, but if it isn't repeating in Console now as it's open, hen likely not a problem.
One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for Shut Down problem in Safe Mode...
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
What happens?

Why does my intel iMac not shut down properly?

On Shutdown, the screen goes black, appears to be shut down, but start button will not start unless you hold it in for several seconds. After machine boots messages says not shut down properly. Does this everytime. Has done it since it was new a year ago. the screen is black, but the button will not start the machine unless you hold it down, then you get the message. Have never seen anything like this. It is as if the machine thinks it is still running.

I'm not sure that a normal shutdown followed by turning off a power strip will reset the SMC. Power strips just switch off the "hot" leg of the power but do not interrupt the "cold" (neutral) leg or the "earth" (ground) connections. It may be that the SMC senses the cold-to-ground path or something like that to do a reset.
It may also be that the Mac hasn't actually shut down completely when you switch off the strip. You might try waiting a minute or two before doing that to see if it makes a difference, or listening carefully for any noises coming from the Mac after the menu shutdown before hitting the power strip switch.
I sometimes use an old veterinary stethoscope to listen for sounds coming from Macs for troubleshooting purposes (although never yet with a MacPro) & have noticed that the screen goes dark a little before everything else is fully shut down.

IMac will not shut down or restart

Only a "hard" shut down works (holding the main power button for 5 seconds). I don't think that action does my directory any good! This started when my automatic software update launched and had an unsuccessful installation of QuickTime 7.6.2, and Safari 4 public Beta. I removed Safari and used Firefox to get Safari 3.2.x. I was then able to install QT 7.6.2 after several attempts.
But, my machine will not shut down! Any suggestions? Thank you.

HI Kenny,
Try resetting the SMC. http://support.apple.com/kb/HT1543
If that doesn't help, try resetting the PRAM/NVRAM.
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.
Your computer’s PRAM and the NVRAM are reset to the default values.
Make sure your important data is backed up just in case.
Carolyn

IMac 5K Occasionally not shutting down!

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