Mac Pro Shuts Down After Boot.

Hey guys I have a 2008 Mac Pro. I went to turn it on today and It started like normal up to the Apple logo screen then shuts off. I've looked around on here for a while and cannot find any posts that have the same problem that I am having. Any ideas????

Have you done any maintance on your mac pro lately?
It might be clogged with dust and Cooling compound is likely dry as old bubbelgum.
Try to check your internals of the mac if its clean, disassemble the heatsinks, both on northbridge, CPU and, GPU. Also remove the PSU cage to look for dust at/inside the PSU, if so disassemble the PSU and get it clean. Don't just stick a vacuum cleaner at the back.
check this guide how to disassemble the CPU heatsinks
http://www.youtube.com/watch?v=xOF435jCg8E
If it don't help, call apple support or go to your nearest Apple store for repair service.

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Mac Pro shuts down after setting up RAID (HELP!)

So, I recently purchased a rev 1 Mac Pro and decided to setup a RAID using 4 750gb WD drives. I am not using a RAID card, simply using Disk Utility.
I first combined drives in bays 1 and 2 (striped) and then combined drives in bays 3 and 4 (striped) to give me essentially two 1.5tb drives.
I then created a mirrored RAID using the two striped raids so that I would have the speed of a striped RAID with the safety of a mirrored RAID.
Once I did this, it showed up as one hard disk on my desktop (I was booting with an external). I then cloned my external drive to the new RAID disk on the desktop, and did so successfully.
However, now when I try to boot from the RAID, it chimes, the Apple appears, and then the Mac Pro shuts down. I tried holding down option and all 4 drives appear. I tried booting from a different drive, and the same thing happens. I should also note that the firmware bar flashes on the screen before shutting down (looks like a really long pill).
Any ideas? Does it sound like I did something wrong? I hate to start from scratch, as it takes all night to clone my external drive to the Mac Pro. Thanks for any help.

Hello, Hatter. Thanks so much for the information. I went with the information from the Macworld article (I believe) "RAIDing the Mac Pro" and according to it this setup was supposedly a great idea. But, yes, it's not working out so perhaps not in this case.
So, I have four brand new 750gb Caviar Black drives installed. If I understand you correctly, I should stripe 3 disks together, then use a 4th as backup (using Time Machine?). So, if I use the drives I have, I'll have a striped configuration that gives me 2.25TB of space, and a 750gb hard drive for backup. That technically would work for now, as I have about 660gb of data on the system (although in the future I'd need to swap out that 4th drive for a 2TB.
So, if that is what you're suggesting, would you mind telling me exactly how I do that? I think I understand, but just want to make sure as this is my first Mac Pro and first time setting up a RAID. Thank you so much for your response.
p.s.: I'm guessing I'll need to do a fresh start and clone my external drive all over again, correct?

The first generation mac pro shuts down after start up suddenly

I have had mac pro since 2006 and have used it so many times without any problems starting up/booting successfully. Recently it was not booting well and i done pram clearance and worked for a while. Once after going into the desktop the screen just froze and i could hear a repeatitive clicking sound from the computer. I was able to shut down and did not use the computer for some time. i have tried to switch it on today and it goes through the normal dong sound and apple logo appears plus a grey bar underneath which fills to a bit and then there is a change in sound in the computer as if something coming to off and then there is the same repeated sound of faint clicking and the computer shuts down. can please anyone help me how to sort the problem out?

Raj Karia wrote:
how do i carry this operation out?
Your machine info has changed from 10.6 to 10.3. No MBP ever shipped with 10.3, so I'm including directions for 10.6:
Repair Disk: Boot from install disc (insert disc>restart>immediately hold down c key and keep holding it until you see “Preparing Installation”)>at first screen select the language and click Continue> click on the Utilities Menu in the menu bar>open Disk Utility>select your HD in the panel on the left side>click Repair Disk at bottom of main window. Run this at least twice, and keep running it until it says “appears ok” twice in a row. If that doesn’t happen, you may need a stronger utility such as DiskWarrior or if the directory is damaged beyond repair, you may need to reinstall the OS, or you may have a damaged HD (repair utilities can only repair the directory structure, not the HD itself). When this is finished, quit Disk Utility, quit the installer, and restart. Once booted normally, go to Applications>Utilities>Disk Utility and run Repair Permissions.
how do i open up the disk drive?
Not sure what you mean by this.

Macbook Pro shuts down after booting up

I'm a new Macbook Pro owner running OS X.5. After booting up my computer "unexpectedly" quits and I need to hold power button and reboot. Sometimes it does this twice before finally operating normally. Any suggestions?
Macbook Novice

Either:
a) Boot up in Safe Mode (hold down shift key at startup) to force checks and repairs
or
b) Boot holding down Apple/S (single user Mode) and don't let go until you see scrolling text.
When that stops and you see a root#: prompt enter
fsck -fy
Let it run through all the checks and repairs.
If it fails first time, at any time, or finds and fixes a fault - run the command again and keep doing so (some fixes can take several passes) until it says "Appears to be OK" then enter
reboot

MacBook Pro shuts down after booting

My MacBook Pro doesn't boot. It simply restart after the Apple logo and a few seconds of pinwheel.
I can start it target mode, but I can't boot with a CD nor any other volume. It keeps on restarting.
Any idea ?

Hi B,
You can't even startup in Single User?
If you are getting the splash screen some starting is being done, press COMMAND+V after Power button and see if you can read something that would give a clue about the issue.
If Single User is possible get the syslog report posted here.
Good luck.

On starting up, my macbook pro shuts down after 25 seconds of booting up.

Hi there. On starting up, my macbook pro shuts down after 25 seconds of booting up. The time bar comes on for a while before it simply goes blank and switches off without any notification. Battery iappears charged. Could it be a virus? Help please!! O

Reinstall Lion, Mountain Lion, or Mavericks without erasing drive
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu.
Reinstall Mountain Lion or Mavericks
OS X Mavericks- Reinstall OS X
OS X Mountain Lion- Reinstall OS X
OS X Lion- Reinstall Mac OS X
Note: You will need an active Internet connection. I suggest using Ethernet
if possible because it is three times faster than wireless.

Mac shuts down after boot. Is it the logic board?

mac shuts down after boot. Doesn't go beyond gray screen with apple. Is it the logic board?
I do not have the start up disks to safe boot or check the hardware.
Any ideas what the problem is or is it junk? It is 8 years old.

Shutdown your machine. Hold down the shift key. Poweron. Wait awhile Wait awhile while you harddrive
is being checked.
http://support.apple.com/kb/ht1455
I'd let the machine sit for awhile in open firmware & see if it stays alive. Do a few prints.
Sometimes if volumes don't appear in Startup Manager (what you get when you hold down the Option key at startup), you need to reset the Mac's PRAM, NVRAM, and Open Firmware. Shut down the Mac, then power it up, and before the screen lights up, quickly hold down the Command, Option, P, and R keys, until the Mac has chimed twice more after the powerup chime. Then, before the screen lights up, hold down Command-Option-O-F until the Open Firmware screen appears. Then enter these lines, pressing Return after each one:
reset-nvram
set-defaults
reset-all
"The reset-all command should restart your Mac. If so, you have successfully reset the Open Firmware settings."
http://support.apple.com/kb/TS1812?viewlocale=en_US
How to eject a cd from the internal cd drive:
eject cd
List of devices:
devalias
Restore Tiger 10.4 & Leopard 10.5 DVDs are available from Apple by calling 800-767-2775 as of January 20, 2013.
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My Mac book pro shuts down after starting

My Mac book pro shuts down after a few second. I have to press the start button multiple time before uploading

MacBook Pro (17 -inch, Mid 2009) OS X Yosemite Version 10.10.2
Processor 2.8 GHz Intel Core 2 Duo
Memory 8 GB 1067 MHz DDR3
Startup Disk Macintosh HD
Graphics NVIDIA GeForce 9400M 256 MB
Serial Number W8******8YB
Disk Utility Message:
Repairing permission for "Macintosh HD"
Warning: SUID file "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOSARDAge nt" has been modifiedand wil not be repaired
Group differs on "Library/Printers/InstallerPrinters.plist";should be 80; group is 0.
Permission differs on "Library/Printers/InstalledPrinters.plist" should be -rw-rw-rw ; tey are -rw-r---r--
Repaired "Library/Printers/InstalledPrinters.plist"
Group differs on " Library/Preferences/com.apple.alf.plist" should be 80; group is 0.
Repaired "Library/Prefernces/com.apple.alf.plist"
User differs on "private/var/db/displaypolicyd"; should be 0; user is 244
Group differs on "private/var/db/dispaypolicyd:; should be 0 group is 244
Repaired "private/var/db/displaypolicyd"
Permission repair complete
I was not able to fix the problem,
TinTin 15
<Personal Information Edited by Host>

My Mac book pro shut down after getting a low battery message, and now or won't start at all. It's plugged in now and nothing, no fan, no chime when I hold down the power button

My Mac book pro shut down after getting a low battery message and now it won't start. Any ideas?

Hey Citrinesky,
Thanks for the question. I understand your MacBook Pro is not responding. The following resource may provide a solution:
Troubleshooting: My computer won't turn on
http://support.apple.com/kb/TS1367
Thanks,
Matt M.

Mac Pro Shuts down

Hi.
My Mac pro shuts down unexpectedly after about three days. And I don't know why. It never happens when I'm working with the computer. In pref it is set to never shut down or rest and to turn on automatically after power failure. But this dosen't seem to work either.
I made a dump from system log or what it is called in english. Maybe someone smart can figure out what seems to be the problem by reading the things happening before the shut down?
I have a FTP server on the mac so I would like it to be up and running all the time.
OS is 10.9.5
regards
< Personal Information Edited By Host >

new log if anyone have any ideas what seems to be the problem.

My MAC Pro shuts down when the battery still have 50 minutes life.

My MAC Pro shuts down when the battery still has 52 minutes life without any warning. Does anyone have this problem? BTW, it is less than one year old.

You must have a MacBookPro, right? MacPro's are big desktop models.
Try the MacBookPro battery forum or their Usage forum.
DALE

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 brand new Mac Pro shuts down for no reason

My two week old Mac Pro shut downs for no pparent reason. Using the wireless, not plug in to an outlet but battery fully charged. Both times happen within 15hrs. apart.

Take it back to Apple and ask them to fix it.
Allan

My macbook pro shut down after I plugged in a iphone 5 kabel.

My macbook pro shut down after I plugged in a iphone 5 kabel. What to do now?

Take the computer, computer AC charger, iPhone and cable and all accesories for the iPhone into an Apple store to be looked at.

Mac Pro shuts down instead of sleeps.

I run a 2008 Mac with OSX10.5.8, with 2GB memory and 2x2.8Ghz Quad core processors
It works great! however recently it has started acting strangely. What i mean is it normally goes into sleep mode after 15 mins of inactivity or so.
However recently it sometimes seems to shut down after a period of inactivity .... Is there a setting which has somehow been changed or is it the signs of a more serious issue?
Any help appreciated!

Hopefully post stll being checked. I have just started to have the same issue with my Mac Pro 2008. It seems to be shutting down and starting fine but the last few times I put it to Sleep, it will eventully shut down on its own. Restarts fine with no message of on screen of improper shut down. I have: reset SMC, zapped Pram, checked Console. Will run Disk Utility this afternoon.
I can put it to Sleep and Wake it again with no problem. However, it seems after a longer time in Sleep mode is when I may have a problem
I shut down last night at 6 PM. When I Rebooted this morning (it had shut down) I can see Console notes a Sleep failure code and Improper shutdown detected but this is noted this morning when I am rebooting it.
4/10/12 10:51:48 AM kernel systemShutdown false
4/10/12 10:51:48 AM DirectoryService[11] Improper shutdown detected
4/10/12 10:51:58 AM mDNSResponder[18] mDNSResponder mDNSResponder-258.21 (May 26 2011 14:40:13) starting
4/10/12 10:51:59 AM configd[14] Sleep: Platform Failure - AC
com.apple.message.domain: com.apple.powermanagement.sleep
com.apple.message.signature: Platform Failure
com.apple.message.result: Failure
com.apple.message.uuid: 62D550E5-3507-4449-88FE-F86A6234C40E
Any suggestions? Am I faced with a hardware or software problem here?
Thanks
Mac Pro Early 2008, OS 10.6.8, Quad-Core, 2.8 GHz, 16 Ram

Mac Pro Shuts Down After Boot.

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