My Mac Mini Won't Shut Down Properly

I recently upgraded to 10.6.2 after buying a mac wireless keyboard and magic mouse. Now I keep getting this problem where the OS won't shut down.
One of the symptoms is that when I move the mouse to the area at the top right of the screen with the clock, volume and wifi icons (is there a name for that?) I just get a spinning beach ball. The clock has stopped too! Also the volume controls from the keyboard don't work any more, even the remote control stops working. I can't shut down or sleep the computer, even 'about my mac' doesn't work.
Other applications seem to work OK and in Activity Monitor I don't see any unresponsive apps.
This hanging doesn't start straight away and two things that have set it off have been using the volume controls and when I tried to press ⌘-space to search for something.
I really don't know where to begin!
Message was edited by: beardiebloke

Still doing it! I disconnected all the USB peripherals and that was fine for a while, also removed stuff out of the task bar thing that I wasn't using.
Then re-connected the USB hub and it happened again... maybe it's something to do with that or just bad luck...

Similar Messages

My Mac Pro won't shut down properly

I recently got a 2010 2.8ghz quad-core Mac Pro. It has Mountain Lion installed (10.8.2). For some reason, when I try to shut down, it seems like it shuts down with the display turning off and the fans audibly stopping, but the light on the front of the Mac Pro stays on with a continuous, non-pulsing glow. During this time, the Mac is essentially unresponsive. Pushing the button does nothing. The only option is to hold down the power button until the machine shuts down completely. I tried searching for this problem, but all the other threads are in regard to situations where the spinning wheel keeps spinning indefinitely. This is different because the wheel spins, then the computer seems to shut down except for the light staying on. It goes to sleep just fine. I tried resetting the PRAM with no luck. Any suggestions?

If you have more than one user account, these instructions must be carried out as an administrator.
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.
Step 1
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.
Enter "BOOT_TIME" (without the quotes) in the search box. Note the timestamps of those log messages, which refer to the times when the system was booted. Now clear the search box and scroll back in the log to the last boot time when you had the problem. Post the messages logged before the boot, while the system was unresponsive or was failing to shut down. Please include the BOOT_TIME message at the end of the log extract.
Post the log text, please, not a screenshot. If there are runs of repeated messages, post only one example of each. Don’t post many repetitions of the same message. When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into a message.
Important: Some private information, such as your name, may appear in the log. Edit it out by search-and-replace in a text editor before posting.
Step 2
Still in Console, look under System Diagnostic Reports for crash or panic logs, and post the entire contents of the most recent one, if any. In the interest of privacy, I suggest you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if present (it may not be.) Please don’t post shutdownStall, spin, or hang logs — they're very long and not helpful.

My mac mini will not shut down. I need to manually shut it off with the power button.

My mac mini will not shut down or restart. I need to manually shut it off with the power button.

If you have more than one user account, these instructions must be carried out as an administrator.
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.
Step 1
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
Enter "BOOT_TIME" (without the quotes) in the search box. Note the timestamps of those log messages, which refer to the times when the system was booted. Now clear the search box and scroll back in the log to the last boot time after you had the problem. Select the messages logged before the boot, while the system was unresponsive or was failing to shut down. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message (command-V). Please include the BOOT_TIME message at the end of the log extract.
If there are runs of repeated messages, post only one example of each. Don’t post many repetitions of the same message.
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Important: Some private information, such as your name, may appear in the log. Anonymize before posting.
Step 2
Still in Console, look under System Diagnostic Reports for crash or panic logs, and post the entire contents of the most recent one, if any. In the interest of privacy, I suggest you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if present (it may not be.) Please don’t post any other kind of report — it will be very long and not helpful.

My mac pro won't shut down or restart

my mac pro won't shut down or restart . the only way i can do it is buy holding down the power button

Reset SMC.
http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".

My ipad won't shut down properly

My ipad will not sleep nor shut down properly. When I plug it in it freezes. Any solutions to this?

First, try a system reset. It cures many ills and it's quick, easy and harmless...
Hold down the on/off switch and the Home button simultaneously until the screen blacks out or you see the Apple logo. Ignore the "Slide to power off" text if it appears. You will not lose any apps, data, music, movies, settings, etc.
If the Reset doesn't work, try a Restore. Note that it's nowhere near as quick as a Reset. Connect via cable to the computer that you use for sync. From iTunes, select the iPad/iPod and then select the Summary tab. Follow directions for Restore and be sure to say "yes" to the backup. You will be warned that all data (apps, music, movies, etc.) will be erased but, as the Restore finishes, you will be asked if you wish the contents of the backup to be copied to the iPad/iPod. Again, say "yes."
Finally, if the Restore doesn't work, let the battery drain completely. Then recharge for at least an hour and Restore again.

My mini won't shut down

when i try to shut down my mini, it keeps running. it gets to the point of logging out and i can see just the plain desktop picture. the fan is going, the monitor is on. it won't actually turn off. i've waited for 30 minutes. finally, i'll just unplug it (probably not good.)
any suggestions?
thank you.

Usually if the system refuses to shut down it's because a process is running that it can't force-quit, often related to an external device, but sometimes an installed application attempting to communicate.
Often the only way to resolve this is to power down by pressing and holding the power button for 5-10 seconds. This is not an elegant shutdown, particularly if the system is attempting to write to the hard drive in the hung activity, so on the next reboot, it is wise to run Disk Utility to verify the internal hard drive and ensure it hasn't developed a problem.
There's no simple way to troubleshoot this sort of problem since the devices connected to the system and the software in use all vary from system to system, but it's best to start by disconnecting all external devices other than keyboard mouse and screen and booting the system, then trying to shut down again before running any application. If that works fine, then it's a problem in an app or driver or external device. If not, it's in MacOS or hardware.
If the latter, it's probably a good starting point to repair permissions using Disk Utility, though sometimes a little more drastic spring-cleaning is needed using one of the general purpose utilities such as OnyX or YASU (YASU being my favorite for simplicity of use and the lack of options that can do more harm than good). Running all YASU tasks can help a range of behavioral problems. Another good utility to have on hand for these type of problems is Preferential Treatment, which can be run on both system and user levels to find damaged or corrupt properly list (plist) files which can also cause unpredictable behavior.
If the former, then it would help to know what devices and software you are using, but troubleshooting would typically need each to be connected/used individually to see at what point the system then began to have problems again.

Help, MacBook won't shut down properly!!

Hi, just hoping someone can help with the following as my MacBook is not a happy bunny. I recently reformatted my hdd and restored my system using Time machine. This was to allow me to create a new partition so I could run bootcamp. All was fine for a few weeks, buy I have noticed recently that system preferences has become unreliable and fails to load on most occasions, freezing in the process - it shows in the dock, but does not load. I have OSX snow leopard all updates, two user accounts, guest activated. I have repaired disk permissions a number of times - sometimes works for a very limited time, other times not. I have deleted the finder and systempreferences .plist files in both user accounts, emptied trash and restarted, again limited effectiveness. When the sys prefs crashes, i force quit it, then it tends to load fine next time, but 2 mins later its up to its old tricks. On top of this, the Mac is now refusing to shut down - it will get to the spinning wheel phase then nothing, I have to force shutdown by holding the power button.
I've also tried disabling the guest account, but no luck.
Any ideas gratefully received as I'm worried that jts all going crash soon !
Many thanks
Rich.

Many thanks MJ,
I deleted everything you mentioned and sysprefs worked for a while but as soon as I tried opening an application e.g. mail, the first reboot of sysprefs worked fine, but subsequent ones hang. Funny thing is now the power down problem has gone away - it seems to work very quickly - I guess a function of clearing out the caches folder?
Anyway, sysprefs issue remains. Ive reported the fault to apple anonymously (have copy of report if that helps). Here are the console messages during a number of restarts and subsequent attempts to open sys prefs. If you/others need more please let me know (the last line represents me forcing a quit of sysprefs):
14/07/2010 20:18:41 com.apple.launchd[1] * launchd[1] has started up. *
14/07/2010 20:18:55 com.vmware.launchd.vmware[50] VMware Fusion 116369: Starting VMware Fusion:
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Internet Software Consortium DHCP Server 2.0
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] All rights reserved.
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Please contribute if you find this software useful.
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] For info, please visit http://www.isc.org/dhcp-contrib.html
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Configured subnet: 172.16.120.0
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Setting vmnet-dhcp IP address: 172.16.120.254
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Opened:
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Recving on VNet/vmnet8/172.16.120.0
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Sending on VNet/vmnet8/172.16.120.0
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Internet Software Consortium DHCP Server 2.0
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] All rights reserved.
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Please contribute if you find this software useful.
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] For info, please visit http://www.isc.org/dhcp-contrib.html
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Configured subnet: 172.16.193.0
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Setting vmnet-dhcp IP address: 172.16.193.254
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Opened:
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Recving on VNet/vmnet1/172.16.193.0
14/07/2010 20:18:57 com.vmware.launchd.vmware[50] Sending on VNet/vmnet1/172.16.193.0
14/07/2010 20:19:04 com.apple.launchd.peruser.501[115] (com.apple.ReportCrash) Falling back to default Mach exception handler. Could not find: com.apple.ReportCrash.Self
14/07/2010 20:19:07 com.apple.launchd.peruser.501[115] (com.apple.Kerberos.renew.plist[141]) Exited with exit code: 1
14/07/2010 20:19:07 1PasswordAgent[144] Starting 1PasswordAgent 2.12.1 #7671 built Jan 9 2010 18:56:25
14/07/2010 20:19:07 1PasswordAgent[144] Missing strings entry: "All" = "";
14/07/2010 20:19:07 1PasswordAgent[144] Missing strings entry: "Unassigned" = "";
14/07/2010 20:19:07 1PasswordAgent[144] Missing strings entry: "Trash" = "";
14/07/2010 20:19:07 1PasswordAgent[144] Database (agilekeychain:/Users/Rich/Library/Application Support/1Password/1Password.agilekeychain) load time: 0.087 (85 objects)
14/07/2010 20:19:08 GrowlHelperApp[150] WARNING: could not register Growl server.
14/07/2010 20:19:09 [0x0-0xa00a].com.skype.skype[148] Main starting with pid 148 parent pid 115
14/07/2010 20:19:09 Skype[148] SkypeApplication::init called
14/07/2010 20:19:09 Skype[148] ChatCpntroller::loadWebViewHistory: could not load chat web view history, error (null)
14/07/2010 20:19:16 Skype[148] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:19:16 Skype[148] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:19:16 Skype[148] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:19:16 Skype[148] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:19:16 Skype[148] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:19:16 Skype[148] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:19:16 Skype[148] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:19:16 Skype[148] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:19:16 Skype[148] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:19:16 Skype[148] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:19:46 com.apple.WindowServer[91] Wed Jul 14 20:19:46 richard-owens-macbook.local WindowServer[91] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
14/07/2010 20:19:51 [0x0-0x15015].com.apple.systempreferences[182] Couldn't find any matches.
14/07/2010 20:20:29 com.apple.diskmanagementd[213] Boot option does not match XML representation
14/07/2010 20:20:29 com.apple.diskmanagementd[213] XML representation doesn't match true boot preference
14/07/2010 20:20:29 com.apple.diskmanagementd[213] Boot option does not match XML representation
14/07/2010 20:20:29 com.apple.diskmanagementd[213] XML representation doesn't match true boot preference
14/07/2010 20:20:29 [0x0-0x1d01d].com.apple.systempreferences[210] 2010-07-14 20:20:29.740 readconfig[219:903] isInterfaceBuiltin IOServiceGetMatchingService
14/07/2010 20:20:29 [0x0-0x1d01d].com.apple.systempreferences[210] 2010-07-14 20:20:29.746 readconfig[219:903] isNetBootable IOServiceGetMatchingService
14/07/2010 20:20:29 [0x0-0x1d01d].com.apple.systempreferences[210] 2010-07-14 20:20:29.748 readconfig[219:903] isInterfaceBuiltin IOServiceGetMatchingService
14/07/2010 20:20:29 [0x0-0x1d01d].com.apple.systempreferences[210] 2010-07-14 20:20:29.750 readconfig[219:903] isNetBootable IOServiceGetMatchingService
14/07/2010 20:20:30 com.apple.diskmanagementd[213] Boot option does not match XML representation
14/07/2010 20:20:30 com.apple.diskmanagementd[213] XML representation doesn't match true boot preference
14/07/2010 20:20:30 com.apple.diskmanagementd[213] Boot option does not match XML representation
14/07/2010 20:20:30 com.apple.diskmanagementd[213] XML representation doesn't match true boot preference
14/07/2010 20:21:18 [0x0-0x25025].com.apple.systempreferences[234] Couldn't find any matches.
14/07/2010 20:21:55 com.apple.launchd.peruser.501[115] ([0x0-0x26026].com.apple.systempreferences[238]) Exited: Terminated
14/07/2010 20:28:19 SubmitDiagInfo[273] Submitted hang report: /Library/Logs/DiagnosticReports/System Preferences2010-07-14-202159richard-owens-macbook.hang
14/07/2010 20:31:04 com.apple.launchd.peruser.501[115] ([0x0-0x11011].com.apple.iChatAgent[172]) Exited: Killed
14/07/2010 20:31:04 com.apple.launchd.peruser.501[115] ([0x0-0xe00e].com.apple.iTunesHelper[153]) Exited: Killed
14/07/2010 20:31:04 com.apple.launchd.peruser.501[115] ([0x0-0x23023].com.apple.mail[225]) Exited: Killed
14/07/2010 20:31:04 1PasswordAgent[144] Shutting down 1PasswordAgent 2.12.1 #7671 built Jan 9 2010 18:56:25
14/07/2010 20:31:19 com.apple.launchd[1] * launchd[1] has started up. *
14/07/2010 20:31:31 com.vmware.launchd.vmware[50] VMware Fusion 116369: Starting VMware Fusion:
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Internet Software Consortium DHCP Server 2.0
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] All rights reserved.
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Please contribute if you find this software useful.
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] For info, please visit http://www.isc.org/dhcp-contrib.html
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Configured subnet: 172.16.120.0
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Setting vmnet-dhcp IP address: 172.16.120.254
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Opened:
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Recving on VNet/vmnet8/172.16.120.0
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Sending on VNet/vmnet8/172.16.120.0
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Internet Software Consortium DHCP Server 2.0
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] All rights reserved.
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Please contribute if you find this software useful.
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] For info, please visit http://www.isc.org/dhcp-contrib.html
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Configured subnet: 172.16.193.0
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Setting vmnet-dhcp IP address: 172.16.193.254
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Opened:
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Recving on VNet/vmnet1/172.16.193.0
14/07/2010 20:31:35 com.vmware.launchd.vmware[50] Sending on VNet/vmnet1/172.16.193.0
14/07/2010 20:31:40 com.apple.launchd.peruser.501[115] (com.apple.ReportCrash) Falling back to default Mach exception handler. Could not find: com.apple.ReportCrash.Self
14/07/2010 20:31:42 com.apple.launchd.peruser.501[115] (com.apple.Kerberos.renew.plist[140]) Exited with exit code: 1
14/07/2010 20:31:43 1PasswordAgent[143] Starting 1PasswordAgent 2.12.1 #7671 built Jan 9 2010 18:56:25
14/07/2010 20:31:43 1PasswordAgent[143] Missing strings entry: "All" = "";
14/07/2010 20:31:43 1PasswordAgent[143] Missing strings entry: "Unassigned" = "";
14/07/2010 20:31:43 1PasswordAgent[143] Missing strings entry: "Trash" = "";
14/07/2010 20:31:43 1PasswordAgent[143] Database (agilekeychain:/Users/Rich/Library/Application Support/1Password/1Password.agilekeychain) load time: 0.157 (85 objects)
14/07/2010 20:31:44 GrowlHelperApp[149] WARNING: could not register Growl server.
14/07/2010 20:31:44 [0x0-0xa00a].com.skype.skype[147] Main starting with pid 147 parent pid 115
14/07/2010 20:31:44 Skype[147] SkypeApplication::init called
14/07/2010 20:31:45 Skype[147] ChatCpntroller::loadWebViewHistory: could not load chat web view history, error (null)
14/07/2010 20:31:51 Skype[147] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:31:51 Skype[147] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:31:51 Skype[147] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:31:51 Skype[147] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:31:51 Skype[147] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:31:51 Skype[147] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:31:51 Skype[147] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:31:51 Skype[147] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:31:51 Skype[147] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:31:51 Skype[147] ERROR: MacChatMessage wrapper could not FindObjectByDbID by object DBID
14/07/2010 20:32:57 com.apple.WindowServer[92] Wed Jul 14 20:32:57 richard-owens-macbook.local WindowServer[92] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
14/07/2010 20:33:59 com.apple.launchd.peruser.501[115] ([0x0-0x19019].com.apple.systempreferences[198]) Exited: Terminated

Mac mini keeps displaying shut down message every 10 minutes help?

My mac mini 320 gb machine with the cd drive in it from the 2010 model keeps displaying the shut down message every time minutes and I don't have enough time to check everything and i need some help. Thanks

Here is a link to a system preference you can check.http://support.apple.com/kb/PH4014?viewlocale=en_US
It is a security feature.
You did not mention it but are you using a movie player other than the provide DVD player or iTunes. For example VLC. If you are, for some reason OS X does not know what is going on, i.e. watching a movie, so it thinks you left. So, after 10mins it trys to log off. The annoying part is that it will not do a force log off if there are programs running. Well atleast it is annoying to me.
Good Luck,
C.

Mac air won't shut down

Hi,
my mac air suddenly for the first time ever , won't close down. I have a feeling I have opened a dodgy email but not sure, it is from a contact but could be hacked?
On my pc I would use ctl +alt+del to bring up task manager to close dow the pc, is there a similar command for the mac?
Thanks,

Hi, thank you for reply,
sorry but I don't know which is the option key on the mac? (oops). I had tried several times using the power button but that wasn't working either.
the cursor would not open Finder or do anything else, no other programs would open, - just seemed to have frozen, I closed the lid, butit seemd it wasn't even shutting off then, I knew the battery was low, and hey presto this morning, I opened the cover and it was a black screen, not the one previously showing. used the power button, received the battery warning, plugged in main cable, and powered on, and all fine again.
Thanks,

Mac mini start up shut down code

I appreciate the two responses, from '300Tech' and TITOUMAX to my original question.
I was reluctant to take the "sudo halt" terminal suggestion since a warning loomed over the danger of losing data.
I was unable to post a copy of the code sequences suggested by TITOMAX since the problem was solved by the time I saw his post.
I received an answer from Apple.
I was able to halt display of start up and shut down code by shutting the Mac mini down and starting the machine while holding down "cmd option PR" keys until the computer gave the normal start sound followed by a repeat of the start sound. This procedure led to a normal start up process and also a normal shut down process without the display of the "start up code" during start up or the display of the "shut down code" during shut down.
By the way, holding down the "cmd option R" keys with my left hand while pressing the Mac mini start button with my right hand and quickly getting my right hand in place to hold the "P" key was tricky, but only took two tries to achieve success.
I was concerned that the display of those lines of code was an indicator of an impending problem. It turned out to be an unintended feature following replacement of the logic board.
By the way, Apple Care has been wortwhile for me.

Thanks for the report, that's called a PRAM reset, CMD+Option+p+r...
http://support.apple.com/kb/HT1379

Mac Pro won't shut down

I'm helping a friend with her new Mac Pro quad (latest model, 6g RAM, 1TB OEM drive, 2 extra 1TB Seagate Enterprise drives installed for storage, 24" ACD) and she can't shut it down now. Worked fine for the last week since she bought it all but now it won't. I've had her do all of the usual things like Permissions Repair and such, but still the problem exists. All software updates have been performed, everything works fine except for the shut down routine. There's not much software on the box, Photoshop CS4 and Bridge, and that's about it, other than the OEM Apple stuff. The Adobe apps have current updates, too.
Any ideas?

try restarting with the command-option-p-r keys held down. Failing that, shut it down hard, then unplug everything...power..usb firewire...everything. Let it sit for 5min (that's prob longer than needed) and then restart. Failing that, call Apple tech support.

I'm can't open documents in iword, and the program also won't shut down properly.

I have been having trouble with pages for a couple of weeks now. When I try to shut it down, it won't close. I've tried force quit, but that doesn't work either. Then, I can't shut down my computer properly either. Finally, which seems related to me, I suddenly can't open documents that I've typed into word. Any suggestions?

Did you try a Force Quit?
Press command + option + esc keys together at the same time.
Wait. Force Quit window will appear.
Select Mail and click the Force Quit button
Wait. Mail will quit.

My mac mini doesn't shut down after installing mountain lion?

Right after i installed mountain lion and checked all the new features, I closed all applications, clear ram, clear cache, clear print queue, made sure that nothing was running when i logged out(only one 1 user was logged on.) I shut down and it seemed normal until the mac mini restarted, saying there was a problem and the normal error report appeared on screen when everything rebooted(after I log back on.) I'm angry. Really what should I do, I just bought this on December 2011( i7 mac mini sandy bridge) of last year. I hope apple releases an update to fix this problem.
My first attempt was to go to disk utility and fixed it, it worked I was able to shut down. However after that it started to go back to the way it was and it still wont shut down. Yes Im able to do everything else like put the hardrive to sleep(yes it goes to sleep I made sure) and force closing applications. Right now Im going to attempt doing what I did before but I will appreciate if a representaive or an apple veteran would give me advice or some useful information on how to fix this problem.
This happened 8/18/2012 at 6:57(when I installed Mountain lion and checked.)

Open > http://www.reedcorner.net/understanding-upgrade-nightmares/

Mac Mini wont stay shut down

Hi. I have a mac mini. I bought it about april of '07. When i shut down my mac mini, it stays off for about five minutes and then turns back on automatically.
anyone have this issue before?
im running Mac OS X v 10.4.11

Open the Accounts preferecne pane and select your account. Click the Login Items tab. In the list you will then see, you should see one or more EyeTV applications (I can't recall the exact names, but it's clear what they are). Click to select it (or them) and then click the '-' button beneath the window to remove them.
That will delete the EyeTV scheduler/helper that is responsible for auto-waking systems.
Don't just UNcheck the application(s) because that merely hides them!

Power Mac G5 won't shut down

My G5 takes an age to start up, the fans are running fast most of the time, when it comes to 'shut down' it won't! Have to switch off at mains.
When it is running it is OK, just noisy with these fans running at 3000rpm.
Frank Hollis

Well, you do not want to use a Disk with problems for anyehing, have you tried...
1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair Disk, (not Repair Permissions). Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)
If perchance you can't find your install Disc, at least try it from the Safe Boot part onward.
If Disk Utility or fsck should fail to repair it, your best bet is DiskWarrior from Alsoft, you'll need the CD to boot from if you don't have another boot drive...
http://www.alsoft.com/DiskWarrior/
Your best bet is DiskWarrior, you need the CD/DVD though.
http://www.alsoft.com/DiskWarrior/
But others that may work…
Drive Genius…
http://www.prosofteng.com/products/drive_genius.php
TechTool Pro…
http://www.micromat.com/index.php?option=com_content&task=view&id=31&Itemid=83

My Mac Mini Won't Shut Down Properly

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