Do mac minis shut when overheated?

do mac minis shut when overheated?And do they stay off untill restarted?

They very well may/should.
Get Temperature Monitor to see if it's heat related...
http://www.macupdate.com/info.php/id/12381/temperature-monitor
iStat Menus...
http://bjango.com/mac/istatmenus/
And/or iStat Pro...
http://www.islayer.com/apps/istatpro/

Similar Messages

  • Mac mini shuts down after 10 seconds..

    At first today, the CDs and discs kept automatically ejecting and wouldn't read (obviously). So I keep putting them back in hoping it would read or hold something. Then I restarted and the Mac Mini shuts down after 10 seconds of the seeing the desktop. Did I fry it? I did hear a weird sizzling when I put my hand on top of the mini. And is this under any warranty - I bought it Feb. 07? Any help would be greatly appreciated.

    Any thoughts on that?
    One or two come to mind, not least that if the unit is under warranty now (as it clearly is) and they aren't taking this fault seriously, then buying AppleCare so it remains under warranty longer isn't the right solution - having them examine it and resolve the problem is.
    There's no doubt at all that in the event there is a system with a suspected fault, extending the warranty long enough that the system ceases to function and can be repaired is a good thing, but it shouldn't be necessary to go to that extreme in order to get a problem resolved now!
    I would simply take this elsewhere and have it looked at. While odd noises are sometimes hard to hear in an environment where there are people and other activities going on, and thus it is reasonable to expect diagnosis of them to prove difficult, a system that shuts down of its own accord after a few seconds is clearly not working correctly. To be sure, if it is overheating, then testing it when it's cold is likely to miss the problem, but the description of the fault from the user ought to give enough clues to put the system on test long enough to see what happens when it warms up. If the fault can't then be replicated with a system that is at normal running temperature and under load, then giving it a clean bill of health is reasonable.
    Thus, in your place I would ask them if they did, in fact, test it in that way. Alternatively, write a description of the fault, specifically identifying the premature shutdowns and the circumstances in which they happen (if they still do) and the noises and the circumstances in which they occur (if they still do) and take the system and description to an approved service provider and let them look at it.
    If the shutdowns are no longer occurring, and the noise is absent, then whether you buy AppleCare or not is really a matter of how confident you are that the problem has gone. If you have doubts that the system is running correctly, AppleCare is expensive but at least extends the warranty sufficiently that you can stop worrying too much. Alternatively, if the problem(s) still persist, rather than AppleCare, have the system examined and repaired right now.

  • My mac mini shuts down 15 minutes into watching Netflix. Why?

    After watching Netflix for 15 minutes, my Mac mini shuts off. I've tried to reboot it, log back on, but again the computer shuts off completely after another minute. I bought the Mac mini in 2008. Any idea what could be causing this problem, or how to fix it?

    Check System Preferences under Energy Saver. You may have the system set to go to sleep when inactive for 15 minutes. Netflix playback isn't necessarily seen as the computer being 'active', because the keyboard and mouse are not providing any input. This may be more especially true if you are using a browser other than Safari to access Netflix.

  • 2012 Mac Mini shuts down at night on its own.

    Every night for the last week my Mac mini shuts all the way down at night.  I have not made any changes to this machine it just started doing this on its own.  When I reboot in the morning it tells me that the computer has shut down and then gives the following for the error report:
    Anonymous UUID:       E6A1AB4A-69C1-7F0F-E205-C4588CCB015A
    Thu Jul  3 11:51:44 2014
    panic(cpu 0 caller 0xffffff8027ed1066): trying to interlock destroyed mutex (0xffffff80715265f0)
    Backtrace (CPU 0), Frame : Return Address
    0xffffff8211f33680 : 0xffffff8027e22fa9
    0xffffff8211f33700 : 0xffffff8027ed1066
    0xffffff8211f33710 : 0xffffff802816017c
    0xffffff8211f33730 : 0xffffff802816140e
    0xffffff8211f33770 : 0xffffff8027fffbd0
    0xffffff8211f337c0 : 0xffffff8027fdc148
    0xffffff8211f33810 : 0xffffff8027fdb710
    0xffffff8211f33850 : 0xffffff8027fe27d0
    0xffffff8211f33880 : 0xffffff8027fda63f
    0xffffff8211f33940 : 0xffffff8028010c6b
    0xffffff8211f339f0 : 0xffffff8028012888
    0xffffff8211f33a60 : 0xffffff8027ffd23b
    0xffffff8211f33ac0 : 0xffffff8027fd5bfb
    0xffffff8211f33b40 : 0xffffff8027fd5554
    0xffffff8211f33c00 : 0xffffff8027ff1422
    0xffffff8211f33d80 : 0xffffff8027fe96dc
    0xffffff8211f33f50 : 0xffffff8028240653
    0xffffff8211f33fb0 : 0xffffff8027ef3c56
    BSD process name corresponding to current thread: automount
    Mac OS version:
    13D65
    Kernel version:
    Darwin Kernel Version 13.2.0: Thu Apr 17 23:03:13 PDT 2014; root:xnu-2422.100.13~1/RELEASE_X86_64
    Kernel UUID: ADD73AE6-88B0-32FB-A8BB-4F7C8BE4092E
    Kernel slide:     0x0000000027c00000
    Kernel text base: 0xffffff8027e00000
    System model name: Macmini6,1 (Mac-031AEE4D24BFF0B1)
    System uptime in nanoseconds: 137393932698714
    last loaded kext at 118189293439107: com.apple.driver.AppleUSBCDC 4.2.1b5 (addr 0xffffff7fa9ed3000, size 20480)
    last unloaded kext at 116233964408599: com.apple.driver.AppleUSBCDC 4.2.1b5 (addr 0xffffff7fa9ed3000, size 16384)
    loaded kexts:
    com.symantec.kext.SymAPComm 12.6.1f9
    com.symantec.kext.fw 5.3.1f9
    com.symantec.kext.filesecurity 12.6.1f9
    com.steelseries.BoardListener 8.28
    com.logmein.driver.LogMeInSoundDriver 1.0.3
    com.seagate.driver.PowSecLeafDriver_10_5 5.2.4
    at.obdev.nke.LittleSnitch 4202
    com.symantec.kext.ips 3.9.2f1
    com.symantec.kext.pf 5.6.1f9
    com.symantec.kext.internetSecurity 5.3.1f8
    com.seagate.driver.PowSecDriverCore 5.2.4
    com.apple.driver.AppleUSBCDC 4.2.1b5
    com.apple.driver.AppleBluetoothMultitouch 80.14
    com.apple.filesystems.autofs 3.0
    com.apple.iokit.IOBluetoothSerialManager 4.2.4f1
    com.apple.driver.X86PlatformShim 1.0.0
    com.apple.driver.AGPM 100.14.15
    com.apple.driver.ApplePlatformEnabler 2.0.9d1
    com.apple.driver.AppleMikeyHIDDriver 124
    com.apple.driver.AppleHDA 2.6.1f2
    com.apple.driver.AudioAUUC 1.60
    com.apple.driver.AppleLPC 1.7.0
    com.apple.driver.AppleSMCPDRC 1.0.0
    com.apple.iokit.IOUserEthernet 1.0.0d1
    com.apple.Dont_Steal_Mac_OS_X 7.0.0
    com.apple.driver.AppleHWAccess 1
    com.apple.driver.AppleUpstreamUserClient 3.5.13
    com.apple.driver.AppleMCCSControl 1.1.12
    com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.2.4f1
    com.apple.driver.AppleMikeyDriver 2.6.1f2
    com.apple.driver.AppleThunderboltIP 1.1.2
    com.apple.driver.AppleIntelHD4000Graphics 8.2.6
    com.apple.driver.AppleIntelFramebufferCapri 8.2.6
    com.apple.iokit.IOUSBAttachedSCSI 1.0.5
    com.apple.iokit.SCSITaskUserClient 3.6.6
    com.apple.driver.AppleIRController 325.7
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
    com.apple.BootCache 35
    com.apple.driver.XsanFilter 404
    com.apple.iokit.IOAHCIBlockStorage 2.5.1
    com.apple.driver.AppleFWOHCI 5.0.2
    com.apple.driver.AppleSDXC 1.5.2
    com.apple.driver.AppleUSBHub 666.4.0
    com.apple.iokit.AppleBCM5701Ethernet 3.8.1b2
    com.apple.driver.AirPort.Brcm4331 700.20.22
    com.apple.driver.AppleAHCIPort 3.0.0
    com.apple.driver.AppleUSBEHCI 660.4.0
    com.apple.driver.AppleUSBXHCI 677.4.0
    com.apple.driver.AppleACPIButtons 2.0
    com.apple.driver.AppleRTC 2.0
    com.apple.driver.AppleHPET 1.8
    com.apple.driver.AppleSMBIOS 2.1
    com.apple.driver.AppleACPIEC 2.0
    com.apple.driver.AppleAPIC 1.7
    com.apple.driver.AppleIntelCPUPowerManagementClient 217.92.1
    com.apple.nke.applicationfirewall 153
    com.apple.security.quarantine 3
    com.apple.driver.AppleIntelCPUPowerManagement 217.92.1
    com.apple.driver.AppleBluetoothHIDKeyboard 170.15
    com.apple.driver.AppleHIDKeyboard 170.15
    com.apple.driver.AppleMultitouchDriver 245.13
    com.apple.kext.triggers 1.0
    com.apple.iokit.IOSerialFamily 10.0.7
    com.apple.driver.DspFuncLib 2.6.1f2
    com.apple.vecLib.kext 1.0.0
    com.apple.driver.AppleHDAController 2.6.1f2
    com.apple.iokit.IOHDAFamily 2.6.1f2
    com.apple.driver.IOBluetoothHIDDriver 4.2.4f1
    com.apple.iokit.IOAudioFamily 1.9.7fc2
    com.apple.kext.OSvKernDSPLib 1.14
    com.apple.iokit.IOBluetoothFamily 4.2.4f1
    com.apple.driver.X86PlatformPlugin 1.0.0
    com.apple.driver.AppleSMC 3.1.8
    com.apple.driver.IOPlatformPluginFamily 5.7.0d11
    com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.2.4f1
    com.apple.iokit.IOFireWireIP 2.2.6
    com.apple.driver.AppleSMBusController 1.0.11d1
    com.apple.driver.AppleSMBusPCI 1.0.12d1
    com.apple.iokit.IOSurface 91.1
    com.apple.iokit.IONDRVSupport 2.4.1
    com.apple.iokit.IOAcceleratorFamily2 98.20
    com.apple.AppleGraphicsDeviceControl 3.5.26
    com.apple.iokit.IOGraphicsFamily 2.4.1
    com.apple.driver.AppleUSBMergeNub 650.4.0
    com.apple.iokit.IOUSBMassStorageClass 3.6.0
    com.apple.driver.AppleThunderboltDPInAdapter 3.1.7
    com.apple.driver.AppleThunderboltDPAdapterFamily 3.1.7
    com.apple.driver.AppleThunderboltPCIDownAdapter 1.4.5
    com.apple.iokit.IOUSBHIDDriver 660.4.0
    com.apple.driver.AppleUSBComposite 656.4.1
    com.apple.driver.CoreStorage 380
    com.apple.iokit.IOFireWireSBP2 4.2.6
    com.apple.iokit.IOSCSIBlockCommandsDevice 3.6.6
    com.apple.iokit.IOSCSIArchitectureModelFamily 3.6.6
    com.apple.driver.AppleThunderboltNHI 2.0.1
    com.apple.iokit.IOThunderboltFamily 3.2.7
    com.apple.iokit.IOFireWireFamily 4.5.5
    com.apple.iokit.IOEthernetAVBController 1.0.3b4
    com.apple.driver.mDNSOffloadUserClient 1.0.1b5
    com.apple.iokit.IOUSBUserClient 660.4.2
    com.apple.iokit.IO80211Family 630.35
    com.apple.iokit.IONetworkingFamily 3.2
    com.apple.iokit.IOAHCIFamily 2.6.5
    com.apple.iokit.IOUSBFamily 677.4.0
    com.apple.driver.AppleEFINVRAM 2.0
    com.apple.driver.AppleEFIRuntime 2.0
    com.apple.iokit.IOHIDFamily 2.0.0
    com.apple.iokit.IOSMBusFamily 1.1
    com.apple.security.sandbox 278.11
    com.apple.kext.AppleMatch 1.0.0d1
    com.apple.security.TMSafetyNet 7
    com.apple.driver.AppleKeyStore 2
    com.apple.driver.DiskImages 371.1
    com.apple.iokit.IOStorageFamily 1.9
    com.apple.iokit.IOReportFamily 23
    com.apple.driver.AppleFDEKeyStore 28.30
    com.apple.driver.AppleACPIPlatform 2.0
    com.apple.iokit.IOPCIFamily 2.9
    com.apple.iokit.IOACPIFamily 1.4
    com.apple.kec.pthread 1
    com.apple.kec.corecrypto 1.0
    Unable to gather system configuration information.Model: Macmini6,1, BootROM MM61.0106.B03, 2 processors, Intel Core i5, 2.5 GHz, 16 GB, SMC 2.7f0
    Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In
    Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x802C, 0x31364B544631473634485A2D314736443120
    Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x802C, 0x31364B544631473634485A2D314736443120
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x10E), Broadcom BCM43xx 1.0 (5.106.98.100.22)
    Bluetooth: Version 4.2.4f1 13674, 3 services, 23 devices, 1 incoming serial ports
    Network Service: Wi-Fi, AirPort, en1
    Serial ATA Device: APPLE HDD HTS545050A7E362, 500.11 GB
    USB Device: USB3.0 Hub
    USB Device: USB3.0 Hub
    USB Device: Backup+ Desk
    USB Device: Hub
    USB Device: Hub
    USB Device: Diablo III Gaming Mouse
    USB Device: Hub
    USB Device: IR Receiver
    USB Device: BRCM20702 Hub
    USB Device: Bluetooth USB Host Controller
    USB Device: USB2.0 Hub
    USB Device: USB2.0 Hub
    USB Device: Hub
    USB Device: My Passport 070A
    Thunderbolt Bus: Mac mini, Apple Inc., 23.4

    Remove the Norton/Symantec product by following the instructions on either of these pages:
    Uninstalling your Norton product for Mac
    Removing Symantec programs for Macintosh
    If you have a different version of the product, the procedure may be different. Back up all data before making any changes.

  • MY mac mini shut down unexpectedly and now it won't restart properly

    My mac mini shut down unexpectedly.  When I restarted it the screen turns blue and a box pops up that advises "Finder quit unexpectedly".  It gives me an option to ignore, Report, or Reopen.  The cursor works, but none of those button work.  I'm stuck on this screen.  I tried all the support suggestions with no luck.  What else can I do?

    The "worm" as you call it is usually referred to as a Thermometer progress bar. It is showing that your Hard Drive cannot be mounted, and a Disk Utility (Repair Disk) is taking place. If not successful, your Mac will shut down, since it cannot be started up successfully.
    You have unresolved Damage to the Disk Directory.
    If you do not have Backups, making them should be Top Priority.
    Otherwise, boot your Mac from an alternate Boot Drive. If you do not already have one, buy a drive to replace the Internal Drive currently inside your Mac, and an External enclosure to run it in. Install Mac OS X on it and boot your Mac from the fresh Install.
    Then you can attempt to repair or salvage from the old drive at your leisure, using the full power of Mac OS X to do so. When your situation is stable, swap the Internal and External drives.

  • Mac mini shut down on its own, will not restart, grey screen, spinning wheel. Unplugged everything, will still not restart. Did safe boot, will not restart after safe boot, only grey screen with spinning wheel.

    Mac mini shut down on its own. Could not restart, chime, grey screen and spinning wheel. Unplugged everything but monitor, still only chime, grey screen and spinning wheel. Started in safe boot, shut Down, will not restart.
    This happened a couple of months ago, unplugged everything and it restarted, now that won't work.

    Hi BDAqua,
    I just did the repair as you suggested. T ran the disc repair, and twice it cam back, the volume macintosh seems ti be okay, I also ran the verify and permissions repair, both came back okay.
    I was actually hoping that they would find something, so they could repair. I shut the computer down, and restated with out holding a key, and I started up great. I'm baffled.  I have moved 20 GB to an external hard drive, as I only had 10% open space.
    I have Tech Tool 6, would you recommend to run a repair check on that, or just leave well enough alone.
    I agree with you on the new Mac's, I have problems with no disc for back up, until they realize their mistake I will stay with Snow a Leopard. This is the first problem I have experienced, so I can't complain. Their last programs are not as perfected as under Steve, prior to his handling over the reins, hope this is not going to be the future we can expect from Apple.
    I will wait to here back as to your suggestion regarding the Tech Tool check
    Thanks for all your help.
    Gratefully,
    Cheri

  • I bought garage band from the app store and downloaded it to my mac mini. When i try to open a screen comes up explaining i need to down load missing files. I do this but when try to open GB again the same thing keeps happening! Can anyone help.

        I bought garage band from the app store and downloaded it to my mac mini. When i try to open a screen comes up explaining i need to down load missing files. I do this but when try to open GB again the same thing keeps happening! Can anyone help.
    Thanks
    Hugh Lockwood

    Hi, Hugo,
    In similar cases it helped to remove the GarageBand "Preferences" file from the User Library.
    Open the folder
        your home folder > Library > Preferences
    and move the file "com.apple.garageband.plist" to the Desktop.
    Then try again to launch GarageBand.
    Regards
    Léonie

  • I am set up mac mini and when I test the mail server by sending a mail from administrator to administrator I get the error message 'Diagnostic-Code: X-Postfix; connect to 127.0.0.1[127.0.0.1]:10024: Connection    refused'. Can any one suggest a solution

    I set up mac mini and when I test the mail server by sending a mail from administrator to administrator I get the error message 'Diagnostic-Code: X-Postfix; connect to 127.0.0.1[127.0.0.1]:10024: Connection    refused'. Can any one suggest a solution

    Thanks. Where could I possibly look for a firewall rule. I knowingly did not creat any. My system has internet coming to a Modem which then is connected to a wireless router. I have computers connecting to the router through cable as well as wireless. One of these computers has been our  mailserver using Mercury and Pegasus and that computer has a static IP address. The Mac Mini also has been assigned a different srtatic IP address. I have only set up user account, none of them an email account as I initially expect them to receive only internal mails. Is it necessary that I must set up an email id for each user while setting up the user account. My server id is server.local. So would the email id for local users be [email protected]?

  • Hi i got a mac mini but when i connect it to my smartax mt882 modem via ethernet it says device not connected can anyone solve this issue it work fine with the usb connection but the ethernet is giving me problems plz help

    hi i got a mac mini but when i connect it to my smartax mt882 modem via ethernet it says device not connected can anyone solve this issue it work fine with the usb connection but the ethernet is giving me problems plz help

    Hello, give this a try...
    Make a New Location, Using network locations in Mac OS X ...
    http://support.apple.com/kb/HT2712
    10.5, 10.6, 10.7 & 10.8…
    System Preferences>Network, top of window>Locations>Edit Locations, little plus icon, give it a name.
    10.5.x/10.6.x/10.7.x/10.8.x instructions...
    System Preferences>Network, click on the little gear at the bottom next to the + & - icons, (unlock lock first if locked), choose Set Service Order.
    The interface that connects to the Internet should be dragged to the top of the list.
    For 10.5/10.6/10.7/10.8, System Preferences>Network, unlock the lock if need be, highlight the Interface you use to connect to Internet, click on the advanced button, click on the DNS tab, click on the little plus icon, then add these numbers...
    208.67.222.222
    208.67.220.220
    (There may be better or faster DNS numbers in your area, but these should be a good test).
    Click OK.

  • Mac Mini shutting down while asleep.

    I have frequent problems with my Mac Mini shutting down while asleep. Resetting the SMC doesn't seem to help. SMC firmware is the latest version. Hardware details are:
    Model Name:          Mac mini
      Model Identifier:          Macmini6,2
      Processor Name:          Intel Core i7
      Processor Speed:          2.3 GHz
      Number of Processors:          1
      Total Number of Cores:          4
      L2 Cache (per Core):          256 KB
      L3 Cache:          6 MB
      Memory:          8 GB
      Boot ROM Version:          MM61.0106.B03
      SMC Version (system):          2.8f1
    OS X 10.9.1

    If you have more than one user account, you must be logged in as an administrator to carry out these instructions.
    This procedure is a diagnostic test. It makes no changes to your data.
    Please triple-click anywhere in the line below on this page to select it:
    syslog -k Sender kernel -k Message CSeq 'n Cause: -' | tail | awk '/:/{$4=""; print}' | pbcopy
    Copy the selected text to the Clipboard by pressing the key combination command-C.
    Launch the built-in Terminal application in any of the following ways:
    ☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
    ☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
    ☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
    Paste into the Terminal window by pressing the key combination command-V. I've tested these instructions only with the Safari web browser. If you use another browser, you may have to press the return key after pasting.
    Wait for a new line ending in a dollar sign (“$”) to appear below what you entered.
    The output of the command will be automatically copied to the Clipboard. If the command produced no output, the Clipboard will be empty. Paste into a reply to this message.

  • Mac Mini sluggish when USB external drives connected

    I'm not sure what's causing this issue, but I have a Late 2012 Mac Mini and when I plug in a USB 3.0 thumb drive or my WD My Book Studio (also USB 3.0), the mouse cursor is very sluggish and laggy. I will physically move around my mouse and the cursor is extremely slow to reflect such movements on the screen. It did it with an empty USB flash drive, so there's no indexing or anything else going on in the background. Ejecting the drive will not solve this issue until I physically remove the drive from the USB port. What's causing this and how do I fix it?

    format the drives for MAC OSX extended journeled.....when you do that, is the problem still present?
    Ive head of this before on WD drives (cant stand them) because they have some nasty bloat loaded onto them for installing them (no need for that EVER) on  your computer.
    when you insert the WD drive, does the drive come up AND ANOTHER icon saying something like "WD xxxx"  (i recall its something like WD utility, or WD support)    ???
    Ive got nearly 100 hard drives, but wont own a WD, ....if i get a free one, i destroy anything on it with a erase and wipe with disk utility "format for mac osx extended journaled"
    AS FOR YOUR STICK DRIVE,......are you sure its mac compatable??? most stick drives list that in the fine print, and mac owners buy a cheap stick drive that isnt 'kosher' with MAC

  • Sometime my mac mini reboot when i ordered turn off

    Hello i have a problem; sometimes my mac mini reboot when i ordered turn off, then i have to turn off again, sometimes i need to do that twice.

    Let it cool & see if you can get any of these...
    Get Temperature Monitor to see if it's heat related...
    http://www.macupdate.com/info.php/id/12381/temperature-monitor
    iStat Menus...
    http://bjango.com/mac/istatmenus/
    And/or iStat Pro...
    http://www.islayer.com/apps/istatpro/
    If you have any temps in the 70°C/160°F range, that's likely it.
    Except IntelMacs...
    http://www.intelmactemp.com/list

  • Mac Mini Shutting off during boot

    Hello Everyone - hope I can get some help on this..
    I've got an Intel-based Mac Mini, which suddenly (after changing the video resolution - at least that's the last thing I did before this changed), boots to the Apple logo, with the spinning logo underneath.. This then spins for about 30 seconds (normal time), and then the Mac Mini shuts off..
    I've reset the SMC and PMU, but no joy..
    Help!
    Thanks in advance!
    SB

    Did a full reinstall of Leopard - that seems to have fixed the issue.. A smidge draconian, but effective nonetheless...

  • Mac mini shut down when start

    Hi all,
    My Mac mini doesn't want to start anymore ... I have run the Apple Hardware Test from the CD and all seems ok (all test are ok) but when I try to start on the hard drive, the mac mini suddenly shut down
    Where it can comes from ? hard drive failure ? how can I diagnostic the issue ?
    I am afraid to reinstall Mac OS X from the CD because I don't want to lose my date :[
    Thanks in advance for your help and advices
    Victor

    Hi,
    my Mini has been also suddenly shutting down. Power light goes off. Not at start-up. First it lasts longer, but gradually, as I restart it, it gradually takes less and less time to suddenly shut down. Or yesterday, for example, I tryied starting it up and not touching it. It lasted for hours. Thought it was cured. Then I popped a CD in and opened iTunes. Didn't take to long before it was shutting down all of a sudden. It would seem not to be able to take any activity. Here is a Console Message I run a few days ago:
    (in the meanwhile I'll try Safe Mode)
    2/1/09 12:30:20 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
    2/1/09 12:30:20 PM com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
    2/1/09 12:30:23 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
    2/1/09 12:30:23 PM com.apple.launchd[1] (com.apple.blued) Unknown key for boolean: EnableTransactions
    2/1/09 12:30:23 PM com.apple.launchd[1] (com.apple.ODSAgent) Unknown key: SHAuthorizationRight
    2/1/09 12:30:23 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
    2/1/09 12:30:23 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
    2/1/09 12:30:40 PM com.apple.SystemStarter[31] Starting Qmaster services
    2/1/09 12:30:40 PM org.ntp.ntpd[29] Error : nodename nor servname provided, or not known
    2/1/09 12:32:57 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[80]) Exited: Terminated
    2/1/09 1:36:43 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
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    2/1/09 1:36:46 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
    2/1/09 1:36:46 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
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    2/1/09 1:36:57 PM com.apple.SystemStarter[26] Starting Qmaster services
    2/1/09 1:37:39 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[73]) Exited: Terminated
    2/1/09 1:52:22 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
    2/1/09 1:52:22 PM com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
    2/1/09 1:52:25 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
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    2/1/09 1:52:25 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
    2/1/09 1:52:25 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
    2/1/09 1:52:36 PM org.ntp.ntpd[24] Error : nodename nor servname provided, or not known
    2/1/09 1:52:37 PM com.apple.SystemStarter[26] Starting Qmaster services
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    2/1/09 1:54:40 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
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    2/1/09 1:54:53 PM com.apple.SystemStarter[27] Starting Qmaster services
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    2/1/09 1:56:28 PM com.apple.launchctl.System[2] BootCacheControl: could not unlink playlist /var/db/BootCache.playlist: Unknown error: -1
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    2/1/09 1:56:29 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
    2/1/09 1:56:29 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
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    2/1/09 2:02:47 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
    2/1/09 2:02:47 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
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    2/1/09 2:03:00 PM com.apple.SystemStarter[27] Starting Qmaster services
    2/1/09 2:03:24 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[74]) Exited: Terminated
    2/1/09 3:08:48 PM com.apple.launchctl.System[2] fsck_hfs: Volume is journaled. No checking performed.
    2/1/09 3:08:48 PM com.apple.launchctl.System[2] fsck_hfs: Use the -f option to force checking.
    2/1/09 3:08:51 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
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    2/1/09 3:08:51 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
    2/1/09 3:08:51 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
    2/1/09 3:09:01 PM org.ntp.ntpd[24] Error : nodename nor servname provided, or not known
    2/1/09 3:09:02 PM com.apple.SystemStarter[26] Starting Qmaster services
    2/1/09 3:12:51 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[74]) Exited: Terminated

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