Mac Pro won't boot up, not even in safe mode.

Problem: Mac Pro having severe lag issues. Added more ram, removed Kona3, etc., nothing. Tried repairing with disc warrior but unable to repair startup disc unless booted from disc warrior disc. Won't boot up from disc warrior disc so set startup disc to the disc warrior disc. Now comp won't boot up, not even from safe mode. Any suggestions?

Boot from your OS X install DVD.
You always need to have a 2nd backup you can boot from, or an emergency (only) boot drive.
Disk Warrior does not have 10.5.2+.
If you can't do anything, zap pram, see if that helps. Or pull your drives and boot from your DVD. Setup OS X on a FW drive.
And of course, always always have at least two backup sets of your system; and sets of your data - so one set at least is always off line.
http://www.geocities.com/texas_macman/pram.html
http://docs.info.apple.com/article.html?artnum=2238
http://www.apple.com/support/macpro/
http://www.thexlab.com/faqs/datacorruption.html
Issues with OS X and with Installing
http://support.apple.com/kb/TS1541
http://support.apple.com/kb/TS1388

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Office 2013 Home & Business Edition - None of the application (Word, Powerpoint, Excel or Outlook) is opening, not even in safe mode..

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I'm so sorry that I forgot the Office programs even not open in safe mode and provide useless information in my last reply.
The problem persists when we perform a Windows clean boot, right?
Were the Office programs suddenly not working? Or it just can’t be open after you install it? Did you get any error message?
If you haven’t try a repair of your Office installation, we can try it to check the result:
http://office.microsoft.com/en-us/project-help/repair-office-programs-HA010357402.aspx
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http://windows.microsoft.com/en-us/windows/open-event-viewer#1TC=windows-7
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Steve Fan
Forum Support
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HT1222 security update 2014-001 1.0 will not load. Not even in safe mode. Says to contact manufacturer?

I have downloaded the latest Security Update from the Apps store, TWICe and neither time has it taken when installing. I then kept clicking and found a version specific to Mountain Lion, which I downloaded. That didn;t take on installation either, not even in Safe Mode. I have a VERY small amount of GB's per month (10 GB) and am increasingly frustrated with having tod ownload stuff that doesn't seem to work. AND the #1 hovering on the App symbol in the dock drives me nuts. Especially after downloading the same update now THREE TIMES?! Can anyon e help me to understand what's going on, or indeed how to make this thing work?

Same here.
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Reset firefox button does not appear in Troubleshooting information. Not even in safe mode. Every time I shut down computer firefox loses my profile.

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Yes. Sorry, I should have mentioned that there have been several reboots involved during the troubleshooting.
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Mac Pro Won't Boot, Hard Drives Are Fine, Passes Hardware Test

I have a Mac Pro 1,1 that will not boot anymore. The hard drives are just fine. I put them into another Mac Pro 1,1 and they started up fine and that computer is running great. I have replaced the RAM, put in new Hard Drives, I only have a keyboard, mouse, and display plugged in to it, and it still won't boot. What happens is this:
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once it gets to the point where it loads an OS X system, it stops at the black screen as if something isn't working right.
That is the point at which the graphics card starts the Mac OS X loaded graphics Driver, and it may indicate that your graphics card is broken.
Try Safe Mode (hold down Shift at Startup). It takes five minutes to check the Boot drive, then display a login screen. You need your username and password to proceed, even if you normally auto-login.
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Mac Pro won't boot to disk array after Mac OS 10.6.8 combo update. Array two partition are there, just won't start off them anymore. Help, please

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My mac pro won't boot. It clicks and then clicks off

My Mac Pro won't start. I press the "on" button, it clicks and about 2-3 seconds later it clicks again. Tried every trick I knew, but nothing will work.
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The traditional way to debug this is to remove EVERY item that could be pulling too much power, and try to get the CHIME. Then add an item at a time to get it working fully, or discover what is causing the problem.
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All Hard drives
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Mac Pro Won't Boot Anymore

Help
My Mac Pro (Quad Core Intel) will not boot anymore. Sor far I've started the machine in single user mode and ran.
/sbin/fsck -fy
The file system came up clean.
Then I typed exit.
Now the machine endlessly prints out the following message.
disk0s2: 0xe00300005 (UNDEFINED).
It just prints this over and over. Any odea what to do?
Wayne

Although I usually hear otherwise, the preferred fsck for an HFS filesystem is
fsck_hfs
http://developer.apple.com/documentation/Darwin/Reference/ManPages/man8/fsck_hfs .8.html
A boot into the Safe mode runs the correct fsck automatically, which is why a Safe boot sometimes fixes things.
However, I suggest booting into your Leopard DVD and after the first page, you will see a menu on the top of your screen. Select Utilities and DU and run a check on HD and permissions from there. This will perform the check on an unmounted volume, the proper way to check/fix an HD.

Firefox won't start (not even in Safe Mode) on Windows 7 x64

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I have the same problem.
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Can't Boot after crash, even in safe mode!

My Mac froze while idle with Lightroom open. It may have hung while remotely copying something off an external hard drive.
But now it won't boot even in safe mode with all USB peripherals detached (including the hard drive that I might have been copying from).
In and out of safe mode, I get the same behavior. After the sound and the grey apple appear, there is also a progress bar, which I don't recal seeing before. It takes about 30 seconds and the progress bar advances about 10-15% of the way and then just power's off.
Is it the main disk drive?
This is an iMac that is several years old with all of software update applied. I don't believe that any software updates were applied recently. I assume that the 10.6.3 update was installed.
Is it the main disk drive?

I had the same problem on my MacBOOk Pro and iMac on 14th April - i had to reformat the harddisk and could restore from my Timemachine backup to the last 10.6.2 state only. Both happended after updating to 10.6.3. But my laptop was sluggish. Based on feedback, I reformatted my hard disk and carried out a fressh installation from my snow leopard disk (10.6) and updated it to 10.6.3 using the 10.6.3v1.1 combo update about a week back. The machine was definitely faster - but yesterday, the same problem reoccurred - the machine froze and would not boot even in safe mode. Repairing the hard disk using the boot CD did not work either. Just now I reinstalled Snow leopard from the OSx CD - it has replaced the OS and left all apps and data intact. I have upgraded it to 10.6.2 only.
My desktop iMac has been running without problems on 10.6.2 for the last 3 weeks. In my opinion, the problems of freezing (reported by others) and this one here are all related to boot sector corruption due to some problem in 10.6.3. There have been some reports suggesting that after 10.6.3, the CPUs are heating up more. The CPU temp was close to 70 deg C when on 10.6.3 - it maybe that some change after the update makes the processor overrun leading to this boot sector corruption - it generally happens slowly over days or weeks slowly accumulating to a break down point.
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TS1389 Itunes on W7 - I´m unable to authorise my purchases download, and the SC itunes file wouldn´t be deleted not even in safe mode.

I´m unable to authorise my purchases download from itunes store, and the SC itunes file wouldn´t be deleted (prompts not allowed) , even in safe mode. Does anyone experienced the same error? Any solution other than posted? Thanks.

Just in case we're dealing with file/disk damage here, try running a disk check over your C drive.
XP instructions in the following document: How to perform disk error checking in Windows XP
Vista instructions in the following document: Check your hard disk for errors
Windows 7 instructions in the following document: How to use CHKDSK (Check Disk)
Select both Automatically fix file system errors and Scan for and attempt recovery of bad sectors, or use chkdsk /r (depending on which way you decide to go about doing this). You'll almost certainly have to schedule the chkdsk to run on startup. The scan should take quite a while ... if it quits after a few minutes or seconds, something's interfering with the scan.
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1st-gen Mac Pro does not boot in any way, not even in safe mode

I have a 1st-generation Mac Pro with the graphics card upgraded to NVIDIA GeForce 8800 GT; running 10.7.2. I have had no problems with the machine since I bought it in May 2007... until now. Specifically, the machine suddenly became non-responsive, froze (I do not remember this ever happening before), so I had to power it down and restart. After that, the machine does not boot in any way: does not start up with the Option key; no FireWire target mode; does not start up even in the safe mode. All I get when I power the machine up is the folllowing endless loop: (1) the display unit (30" Apple Cinema Display) waking up from sleep (white light going off) and (2) a flicker of white on the display while the optical drive sounds like checking for any inserted media... then again the display going to sleep for a few seconds and steps (1) and (2).
I could really use help here. Thank you in advance.

Linc:
I am also sure it is a hardware fault. I have tried to run the Apple Hardware Test from the orginal system disc: I opened the optical drive tray with a paper clip, inserted the disc and powered up the machine. However the machine only spinned up the disc, turned the display to standby, spinned up and standby, etc.
What kind of hardware fault could it be?
(1) the display unit (30" Apple CInema Display) -- I presume unlikely, since the computer should boot even with a defunct display unit or no display unit at all, for that matter;
(2) the graphics card
or
(3) the logic board?

Mac Pro won't boot

Hey guys,
I've had my mac pro for a little over a year now, never had any problems until this weekend. I was in the middle of playing Mass Effect 2 on my windows 7 drive and all of it sudden it glitched out. Turned it off and tried booting again and on the windows side the first windows logo during boot won't even come up (just a black screen) and it will keep restarting. On my OSX drive it starts loading, the little circle under the apple is spinning around but, as soon as it seems like it's done and it should load up my desktop the screen goes all retro with black, orange, yellow lines. Then it goes back to the OSX loading screen with the circle but, it is no longer spinning and is frozen there.
I'm hoping that my video card just crapped out and I need to replace that since it appears to only have problems when it needs to output video other than basic start up screens. Possibly someone here has come across this before or knows what I need? I'd greatly appreciate any suggestions.

"glitches" don't really point to why.
Memory leak, BSOD, graphic driver (rather than card), heat, even lack of UPS and a "power event."
Backups for both systems, a must.
Boot into Safe Mode or Recovery mode on Windows.
Restore from last good known restore point.
Sounds like each system is on its own hard drive so it shouldn't have hit both, and you can pull out either or both to fix one.
As for OS X, never "leave home" without Disk Warrior and SuperDuper.
Makes it easy to restore and rebuild.
I'd say turning off has to be one of those "last resort" and more likely to make matters worse, but first step would be to boot from alternate media and not touch the system if possible you were on.
Sounds like OS X has corrupt journal and directory at this point, and it really can't heal itself.

Early 2008 mac pro won't boot from hdd when ssd is installed

I have Mountain Lion 10.8.3 installed on my 1TB HDD in my early 2008 mac pro. That is the only OS install on my mac. I have an OWC SSD formatted but left as an empty drive that I am trying to use but when it's installed my mac hangs on the blank gray screen.
My mac cold boots fine and runs fine when the SSD is *not* installed. When I shut down and put the SSD into a drive bay the mac does seem to boot ok the first time, but when the computer is off for a while it will not boot. It just hangs on the blank gray screen (no apple logo). As soon as I pull out the SSD, the computer boots fine and runs fine again. I am not trying to boot off the SSD, I am booting off the HDD. The correct drive (1tb hdd) is selected in startup disk.
OWC has been helping me and I have tested 3 SSD's. So it does not appear to be a problem with their drive.
The mac will boot into safe mode with the SSD installed. It will boot if I choose the boot drive with the option key at startup.
Mountain Lion was clean installed.
Could it be some sort of library pref or cache issue?
Any recommendations on what to try?

A HT does not find a lot of errors.
It doesn't look for bad sectors or directory or file problems.
Clone your SSD now that you have a clean OS and has the Apple updates on it. Before you make changes.
Install TRIM Enabler 2.2+ on it and any boot volume, to enable TRIM and so that Disk Utility's Repair Disk will trim cells. Mountain Lion Recovery won't which is a shame, so...
Clone and keep bootable backup clone of your system to use for maintenance.
A really bad directory on a system drive will cause interference from booting.
SSDs really need extra care, and even with TRIM, to be repaired from time to time and couple times a year, to do an erase and restore from a current image.
Of course Mac OS system even iwth apps is small and doesn't need to have any data or media and fits on 120GB usually just fine and still have a good enough amount free so TRIM and Garbage Collection can work properly and not get low on free pages. But 20GB free should be the minimum free, and better to have more, at least whatever total amount is written out in a month.

Mac Pro Won't Boot from any HDD

My system:
2008 8-core Mac Pro running 10.6.8 Snow Leopard
4 HDDs installed, 2 of them are a striped RAID 0 that is the bootup volume, a couble of external hard drives (1 of them a bootable clone), a DVI display
backed up with Time Machine; thanks for the concern.
Problem:
I came home one day, and my computer was acting funny. It was fine earlier in the day. Time Machine had failed a backup, an AFP mount had unmounted with an error, Dropbox was trying to sync but couldn't because of bad access permissions for a file, and Terminal wouldn't open, giving me a message about an invalid shell. I restarted, and it failed to restart, so I turned it off. I thought it was a corrupt filesystem (and striping is unstable, so it would make sense), but no, no other bootable disks worked.
Boot chime plays, grey screen comes up with Apple logo, wheel spins forever.
ATI graphics card fan runs pretty fast after a minute or so.
Light is solid, not blinking to indicate a RAM problem.
What I've tried:
Googled the problem. Got results about MacBook Pros. Did "-MacBook" in the search. Got similar questions but no solutions for my Mac.
Tried booting from an install DVD and the clone. Same thing happened.
Reset the PRAM (twice). No effect.
Reset the SMC (twice). No effect.
Unplugged the monitor. Graphics card fan wasn't loud, but the computer still wouldn't boot.
Unplugged all USB and FireWire devices. No effect.
Left the computer unplugged for an hour, which also resets the SMC. Who knows, this sometimes works! It didn't.
Any ideas?

Booting in Safe Mode did not help, but it did show a grey circle with a cross through it instead of an Apple logo like before.
I remembered that there's an Apple Hardware Test (a bit hard to figure out how to do on your specific machine ), and I booted into it. Before I even ran the test, it told me that there is an error. The error message was just the name of one of my RAM slots. So... a piece of RAM might be dead. I ran the extended test, and it was halfway through after 30 minutes, but I stopped it because I don't have enough time. I have to continue this tomorrow.
As for the GPU, its fans might just be running because the system runs them at a high level by default when it's in certain states. I know older Macs did this in Target Disk Mode with every fan, and the GPU fan was running during the AHT too. At least I hope this is the case. Right now, it seems beyond a hard drive problem. Maybe booting from a DVD works because it only uses 1 RAM slot or something. I'd much rather have a piece of inexpensive RAM be dead than my GPU, and besides, I've kinda wanted to upgrade the RAM anyway.

Mac Pro won't boot up, not even in safe mode.

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