G5 2.7 boots to blue screen

all this happened while exporting video from final cut pro to a firewiree lacie drive. the machine went to spinning wheel for hours. had to reboot. Now boots makes the chime shows the os loading then goes to a blues screen with mouse pointer that you can move nothing elese is there.
I have to reset on the motherboard. booted to another machine and run disk utility.
still the same.
Any ideas ??

Start up the computer in Single-User Mode.
Check the volume with fsck.
Press Return.
Type: mount -uw /
Press Return.
Type: cd /Users/[affected username]/Library
Tip: Instead of "[affected username]", type the username for your account, or the account that is experiencing this issue. For example, if the username is "theta," type:
cd /Users/theta/Library
Press Return.
Type: mv Preferences Preferences_old
Press Return.
Type: mv Caches Caches_old
Press Return.
Type: reboot
Press Return.
If you can now successfully start and log in...
Corrupt plist, 3rd party startup item, corrupt directory, are all suspects, especially after a "crash" or hard freeze the directory and filesystem could be left in an unusable state. I always first reboot into single user mode to run fsck along with applejack. Did Disk utility find errors and repair them or not?
Mac 101 - Startup issues
Single User Mode
Safe Mode

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Mac Mini Intel boots to blue screen and gets stuck

Mac Mini running 10.6 Intel won't boot up. I get the chime, then the apple logo, then a blue screen, then nothing but the small rotating circle, which appears and disappears about every 5 seconds (not the color wheel, but the one that just looks like hands on a clock turning.)
Per apple online help, tried starting up in Safe mode. Same result. No boot. Just blue.
Per apple help, I started up in Sinlge User mode and ran Fsck from command line (I don't have the install disk). First run of Fsck said FILE SYSTEM WAS MODFIFED. Ran it again, per apple help. Second time, said volume appeared to be OK. Typed "reboot". Same result. No boot, just blue screen and rotating circle.
Not sure what else to try. Any help?
Thanks

Sometimes PRAM seems to retain info from a previous startup disk error condition. There is a small chance that resetting the PRAM might help.
You can get a replacement for your original OS X install DVD and any bundled apps from AppleCare (1-800-275-2273) for a shipping and handling fee. You will need to provide your Mac's serial number so they can send the correct DVD(s) for your specific model.

Mid 2010 MacBook Pro won't boot past blue screen

I've been having problems booting up my MacBook. I can't get past the blue screen. It went from booting slow at the grey apple logo screen to not booting up at all. Is it a problem with my hard drive? I also have boot camp running as well, but I can still see the boot camp drive for windows and my OS X drive, as well as my installation disk when I have it inserted when I hold the option key at start up.
I'm still able to run windows on it without any problems when I pick the windows drive. I tried different methods from different forums but I'm just not getting through. I tried holding 'c' to boot up from cd and I let it run over night but it never got past the grey apple screen with the gradient wheel (still spinning). I had already used time machine to back everything up before this happened since I was able to boot up properly (but slowly). Can anyone help? It's driving me nuts, and I can't remember what os/firmware version I'm running.

n your signature you said you are running 10.6.3. So let’s assume you are running Snow Leopard.
It sounds like your diagnosis of disk problems is correct. The OS X partition may be corrupt.
Try booting in Safe Mode.
http://support.apple.com/kb/HT1564
Try again to boot in normal mode.
If it will boot in Safe Mode but not in normal mode then you could have some 3rd-party software preventing the boot or you could have a corrupt disk or OS.
Boot as from the startup manager (Boot - option) and then select the installation disk.
Hopefully that will work better than starting with the Boot-C option.
Then try to repair the system disk.
Start the Disk Utility.
Perform the steps in http://support.apple.com/kb/PH5836.
If it repairs OK but still won’t boot reinstall OS X.
Installing Mac OS X 10.6 SnowLeopard
http://kb.iu.edu/data/akav.html

IMac G4 OS 10.5.8 booting issues, blue screen

I'm trying to remotely help my mom to solve a big problem with her iMac G4 (2007 vintage.) It's running Mac OS 10.5.8. Everything was fine until a couple of weeks ago when it started refusing to boot. It starts to boot, you get the Apple and then it continues on to the blue screen, and never progresses from there.
It WILL safe boot, and I've tried all the things I can think of... disabled login items, reset PRAM, used Disk Utility to check the HDD and repair permissions. But it won't boot in normal (non-safe) mode.
So I decided the only solution would be to archive and install Leopard again. I figured the hardware was mostly likely okay, since it would safe boot. She couldn't find her Leopard install disks so I sent her mine.
But the system won't successfully start up from the install DVD. It does read from the DVD and starts the boot process, but again it hangs at the blue screen and does not continue beyond that.
I am not sure what to try next... I suppose it's possible that there some bad RAM or something which isn't accessed during the more limited safe boot but is used during a regular boot and causes the hang. It seems like the HDD is probably okay since it consistently safe boots without a problem. What else can I try?
Any suggestions are greatly appreciated!

The test as run from the original install-restore disc #1 should be accessible
when booted per instructions on the label. Usually, there's the method on how
to use the Installer (C key on boot) and also the other is there, on how to use
the same DVD to boot the Apple Hardware Test (perhaps Opt key.)
With an older computer, there is the chance the hard disk drive may be fading;
due to use and age factors. However, one could still (maybe) find information
on what else may be going on, IF the error and crash logs in the Console utility
could be accessed, then read through, by someone with technical knowledge.
The Console logs may be accessed if the computer can be started in SafeBoot.
And there are several, in there; some would not apply. Also, they're rather cryptic.
Sometimes, a section of a hard disk drive where the boot information is stored
could be damaged; or the Directory may be corrupted, so a third-party disk
utility on its own DVD or bootable volume can be helpful to correct that aspect.
Or to totally erase, zero, partition map and reformat the hard disk drive may do
to attempt to restore function of the computer to normal; while wiping user content.
A backup of content could be made; even a clone copy to an external, then that
could be transferred (via another clone, using Carbon Copy Cloner, etc) and if
the computer were wiped, that bootable clone could be moved back. Or, should
the internal drive be bad, the content of the computer can be put into a new HDD.
{The 'pizza box' iMac with the G5 PPC processor, had a few known issues in
certain models, some due to heat and other component failures; so the hard-
ware test may be helpful. So would an inspection of the power & logic circuits.}
Anyway, sounds like 10x the trouble at a distance, helping someone figure out how.
Good luck & happy computing!

Linux Wont Boot Up- Blue Screen Of Death.

I have been trying to boot up linux on my pc with a bottable usb and also from a hard disk it does not matter what linux i try to install whether its Puppy Linux or ubuntu When i boot up in any mode, the screen goes dim for 1 secound then black like the laptop is turned off???
I didnt pay for a locked up frozen hunk of junk! I want it to support other operating systems (OS)
Ive done some google research and what i can find is toshiba basically doesent support linux but could the black screen be releated to something else,others have successfully booted linux with toshiba I got the laptop a few months ago.
And when i tried to boot into windows after trying to get linux to boot after a few hours doing this, I get a blue screen of death for a split secound then the pc turned of, I have now formated the partion to reinstall windows
again, But it seems like the disk has crashed Getting a error message saying "Error TRY: Null or Invaild" Might try to reinstall windows and see what happends (theres not ticking sound and the disk sounds like its processing normally)
Whats the probablem??
Thanks,
Spudster
Laptop Model: L750D Laptop Satelite Series.
PS: Everything was going perfectly fine before i tried ran my bootable linux..
But linux is a handy little system and i do need it as toshiba shouldnt be so locked up hoping to solve these issues anyhow.

Going to bump!

Will not boot past blue screen

The present status is that my ibook g4 will no boot past the spinning wheel screen which hangs for a few minutes and then goes to the "Mac OS X" screen with the progress bar.
My first goal is to back up all of the data. I have a second IMac. Plus, I just purchased an external 500 gig hard drive just prior to when the error started. FYI the error started when I was going through the install process of the backup program supplied with the external hard drive. The program just asked me to restart the computer and that is where we are now.
The second goal of course is to fix the start-up issue. I have tried a number of the suggestions in previous posts including the following the install disk utilities to repair the disk.

I am having the exact same problem. I was just surfing the Internet this weekend and it completely froze and now it won't boot up. I no longer get a grey screen, at boot up, it goes from black to blue and then it hangs at the blue screen.
I have a TimeMachine and a Retrospect back up of my data but I can't boot to the Leopard Install CD which would let me restore my data.
I have tried just about everything, including booting in firewire target disk mode and connected to my old clamshell iBook G3. I was able to access my files, and I even reinstalled Tiger (couldn't use Leopard because it's not compatible with the G3). So there is a fresh copy of 10.4 running on my iBook G4 but it still will not boot up on its own.
No idea what to do at this point, but I would suggest not reformatting as it really didn't seem to help.

PowerBook G4 won't boot past blue screen

I've read a couple of posts with similar problems. The jist is, I did a security update/restart earlier and now my laptop won't boot past the blue screen after the white screen with the gray apple. I think I'm on Mac OS 10.4.11 but I had it on auto-update so that could be incorrect.
I've booted from the install disk and run a diagnostic from the First Aid bit in the Disk Utility. It says that there are no errors found and the S.M.A.R.T. status says "verified" as well. It won't let me boot into Safe Mode (although, I could be doing that wrong as I'm not exactly clear on how to do it - pressing S doesn't seem to do anything, but if I press Command + S it takes me to a text listy thing and I've run the "fsck -f" system check (which seems like the same as the disk utility check?) from there and also gotten the "volume is ok" message. There was also a suggestion to run some kind of diagnostic after booting with the D key from the install disk, but I was never able to get the disk to boot from the D key, only the C key.
I'm sure that this is kind of the "same song, different verse," kind of post, but I've not read about volumes registering as okay. I'm a little wary of a archive-and-reinstall as I've not ever done that before (so, if that's the suggestion you have, I would really appreciate loads of specifics on how that works so I don't mess up!)
I've read in several instances suspicion of a hard drive problem but I've not had any slow downs or any crashing. I did travel to the UK for about 10 days, but I didn't even change the time zone on my laptop while there, so I don't think that's it (but I suppose it could be.)
Lastly, I did recently replace my keyboard. A few keys had become non-responsive so I replaced it and have had the new keyboard for a bit over a month.
Suggestions? Ideas? Sorry if it's a repeat post -- just felt like the circumstance was a teensy bit different. And also, thanks very much for any info you can give.

Linsey:
If you can boot your computer into Firewire Target Disk Mode and you have access to a second Mac that supports firewire, you may be able to back up items that have not been backed up previously.
If you are able to back everything up successfully, and you have tested your backup to be sure it is sound, then we can proceed with re-installation of the OS. The best option is to completely reformat and erase the HDD and then install the OS from disk. (I will post complete step by step directions). This will enable you to start with a clean slate/HDD. Your other option would be to use the Archive and Install option. Think it over and let me know how you want to proceed.
cornelius

Gray screen after boot and blue screen with stripes

Hi, I have a MacBook Pro Mid 2011 with Mavericks (came with Snow Leopard).
History:
One day i was working and things were too slow. I tried to restart but it was taking too long to close all the programs. So I forced shut down by holding the power button. When I turned it on again, my problems begin.
Problem:
The Apple logo and the spinning wheel appear. After a while, both disappear and it freezes at gray screen. Some solutions I tried make the screen goes blue with black vertical stripes. In both cases, I have to force shut down.
Solutions I tried:
- Reset NVRAM
     It does reset, but nothing change
- Log in my Windows partition. I can't log
- Hold option key and choose recovery. Blue screen
- Recovery system by restart and press Command-R. Blue Screen.
- Safe boot by pressing Shift. Blue Screen
- Verbose by pressing Command-V. Restart and gray screen again.
- Single-user mode by pressing Command-S
     Tried to reapair hard drive:
          /sbin/fsck –fy
     Returns the message "** The volume Macintosh HD appears to be OK.". I restart and nothing change.
     Tried to change startup permissions:
          mount -uw /
          chown root /
          chmod 1775 /
          exit
     Restart and nothing change.
- Boot from a bootable USB flash drive
     Holding option key, I choose my flash drive with Ubuntu installed. It gives me 3 options: Use Ubuntu without installing, Install Ubuntu, Repair Disk      Errors (something like that). The 3 options go to the blue screen
     Flash drive with Mavericks. Blue screen.
-Boot from my Snow Leopard CD. Gray screen, restarting, gray screen.
I don't what else I can do. Is it a hardware problem? At first I thought it was some corrupted file. But is it a GPU or logic board problem? What else can I try?

I found this to work at least to get in and backup some files. It is VERY important to put these commands in EXACTLY as seen here, including spaces.
Boot into Single-User mode (Command-S while booting up)
Execute the following commands:
/sbin/fsck -fy /
/sbin/mount -uw /
mkdir /Disabled_System_Library_Extensions
cd /Disabled_System_Library_Extensions
mv /System/Library/Extensions/ATI* .
mv /System/Library/Extensions/AMD* .
touch /System/Library/Extensions
exit
I guess these two graphics extensions go bad quite often on Macbook Pro 15-inch. They are part of the logic board. The only problem I had was I still couldn't get into my computer any other way, and the graphics for Safari were messed up. Firefox was okay. Good Luck!
Here's the original thread:
http://apple.stackexchange.com/questions/120507/boot-hangs-on-grey-screen-even-w hen-booting-from-usb-drive-with-fresh-os-x-inst

Macbook won't boot up blue screen, volume check failed

Yesterday, my friend's Macbook wouldn't boot up properly. First it came up in terminal mode with the following message displayed:
disk0s2: 0xe0030005 (UNDEFINED)
Today did a re-start. Could not get into Safe Mode. White apple logo screen ran for 3 minutes with progress indicator (circle of sticks) followed by blue screen with progress indicator for 7 minutes, followed by blank blue screen.
Started up in single user mode and ran fsck
Results were:
fsck -f
**/dev/rdisk0s2
** Checking HFS Plus Volume.
** Checking Extents Overflow file.
** Checking Catalog file.
disk0s2: 0xe0030005 (UNDEFINED)
Invalid node structure
(4, 34)
**Volume check failed.
localhost:/root#
This Macbook was purchase approximately 60 days ago. Is there a simple fix to this before going back to Apple?
Thanks,
Joe

Hello Joe.
Although similar to running fsck, boot from the Tiger install disc #1 that shipped with this MacBook and run Disk First Air repair on the hard drive.
If there is a hard drive directory problem that cannot be successfully repaired after running DFA repair several times, the directory problem is substantial and the options are using a more substantial disk repair utility such as Disk Warrior (not sure if DW has been updated for a Mac with an Intel processor or not) but if so, there is no guarantee but DW has been known to work miracles or reformat the hard drive HFS+ (or extended) with Journaling enabled and then reinstall OS X and all included software.
You can call AppleCare but they will have you or your friend run DFA repair and do the same. Unless there is hard drive damage that is covered under warranty, there isn't much else AppleCare can do and hopefully your friend has/maintains a backup since this is a good example for why maintaining a backup is so important.

Slow boot after blue screen and system restore

I did the updates (Security 2008-002, Safari 3.1 and others) in Software Updates and then could not get past the blue screen. Tried all the advice on these boards but none worked. So I used Time Machine to restore the system. It worked except that now the booting process pauses (on a blue screen) for about 5 minutes. Then the process completes and everything appears to be fine.
However, this delayed booting does not seem right and never happened before.
Anything I can do?
thands
Ken

What kind of incompatibility issues?
How far does the xp installation get?
What do you mean by 'uninstalling the vista bootloader'?
It seems very unusual that you can't boot from the CD anymore. Maybe double check the boot priority again, or have CD as the only boot option?
I can make XP BSOD and Reboot on my V200 by setting the SATA mode to AHCI. *no floppy = no F6 driver installation
I can't recall how VISTA reacted to setting SATA to AHCI.
Let me know how it turns out.

14" iBook won't boot past Blue Screen?

Hi,
I have in my possession my Sisters 14" iBook G4. It boots with the grey Apple logo but then freezes at the blue screen. I'm guessing it's either the hard drive or logic board, does anyone have a procedure to follow to diagnose the fault? I don't have the original discs but do have a 10.5 retail box.
Thanks in advance.

Spudnuty - I think you might want to hear this...
I just bought an ibook G4 1.2Ghz "Late 2004" model off of ebay, had the blue screen problem. I bought it because I thought it might have been the OS (freeze at login) and the previous owner didn't know, but it was an actual freeze... actually froze a few times while at the spinning wheel at startup, and would randomly display a dark blue screen sometimes at startup.
I am an ACMT, I decided to disassemble the machine as per the service manual and get it down to basically the logic board, even pulled off the top display entirely. Ran an external monitor via mini-VGA, external HD via Firewire... still froze at blue screen. So I decided something similar to your suggestion - I pulled off the heat sink, only to discover that the conventional way of cooling a cpu/gpu (heating compound directly under heat sink) had been abandoned on this model for some crappy adhesive pads. The pads had a bit of thickness to them, so I decided to cut of a small section of the top shield, fold it into a nice square and flatten it. I then put some heat sink compound on both the cpu and gpu, put the metal "shim" on the gpu and tightened down the heat sink. Guess what? Started up in a jiffy. I put a fresh install of Tiger on it, have been playing multiple Quicktime vids looped for a while now... machine is going strong.
All that to say, shimming works on these later ibook G4 models that get the blue screen, I've confirmed it. Just remove the adhesive pads, shim with something heat conductive (maybe even aluminum foil!), add heat compound and run it for a while.

G5 won't boot after blue screen

My PowerMac G5 won't boot: it passes the grey screen with the apple logo then gets stuck in the blue screen. this is happening since I tried to connect a second display: that time the computer froze.
I have tried safe booting and then it works fine. I've reinstalled 10.4 but it doesn't make a difference.
Does this sound familiar to anybody? Could it be a video card/motherboard/HD problem?
All tips are very welcome.
PowerMac G5/10.4/ATI Radeon 9600

Here's more on what macbig said.
Try using Disk Utility to do a Disk Repair, as shown in this link, while booted up on your install disk.
You could have some directory corruption. Let us know what errors Disk Utility reports and if DU was able to repair them.
Then Repair Permissions.
Here's Apples Blue Screen faq.
DALE

Satellite L630-10R - Won't boot and blue screen

Hi everyone,
I recently bought this laptop that had everything to satisfy me, unfortunately, I've been encountering a problem since yesterday night and I want to try everything reasonable before bringing it back to guarantee.
I was using the computer quite casually (online games, web browsing, VoIP mostly) when it decided to shutdown and reboot. Now, everytime I try to boot windows, even in safe mode, I get a blue screen as soon as I've entered my password. The same problem happens when trying to run in safe mode.
I thought it could just be a really aggressive and efficient virus and thought it was well deserved, knowing I hadn't installed an antivirus yet. So I burned an Ubuntu liveCD on another computer and tried to recover my data from there, but to no avail : Ubuntu won't start either, instead it just gives me some kind of memdump or stacktrace (at least I guess it is, because it's got hexadecimal addresses and what looks like function names)
I'm kinda stuck and I really don't understand what could have caused this. Any idea would be appreciated. An error code that showed up when trying to boot windows, but that does not _always_ show up, is something along the lines of *DRIVER_IRQL_NOT_LESS_OR_EQUAL*
Thanks in advance,
shin

Hi,
sorry for the late reply, I was busy this week end but I finally solved my problem on sunday in the evening by updating the BIOS from the 1.4 version to the 1.7 version using a bootable CD. No more blue screen when starting windows and no more problem with Ubuntu either (which I had been able to run in the meantime with the "noacpi" option.)
I wasn't able to find the recovery CD like you suggested, I'm not even sure it was in the box - then again, I'm not the most tidy person in the world and it could be anywhere in the room as far as I know...), but thank you anyway for taking the time to reply. =)

Left speaker no sound, no wi-fi, hang up after first or second booting then blue screen appears

hi there! my laptop always hangs up everytime I open it. Sometimes it open up after minutes of waiting then gradually hangs up before blue screen appears. I had to long press the start button again and again before I could use it.
By the way, there are times I had to switch into safe mode and found out that the audio is not working anymore. During normal mode, only the left speaker is operational. Lastly, wi-fi signal will constantly disappear after rebooting.
please help
robert

Hi,
Have not seen any reports of negative experiences (unlike recent Microsoft updates) from the last batch of Windows Updates.
I would guess you have a coincidental hardware problem.
A failed HDD would yield an error at boot. You would still be able to boot to the BIOS if you desired.
Normally failed devices (memory, GPU, CPU) will give audible and visual error codes. Exceptions will always happen.
Could be the battery, power supply, or maybe the motherboard has bit the dust. You will probably receive no visual or audible error messages when the motherboard fails.
Try booting with one monitor.
Jaco
****I am not an HP employee****
Please give a" Kudos, Thumbs Up" if advice received is relevant or" Accept as Solution" to assist other forum users having a similar problem.
Errare humanum est.

HELP - Xp won't boot - getting blue screen

Just installed a msi 865pe neo 2 board with:
80mb 7200 ide-100 hd
kingston 512 3200 value ram
newest bios 1.9 I believe
ram checks out ok, can not get XP to load
When the splash screen is suppose to show up I get the blue error screen
with error:
STOP 0x0000007B (0xf894c640, 0xc0000034, 0x00000000,0x00000000)
I've looked it up with microsoft and it looks like a conflict with the raid device.
But I have not SATA drives, just my ide drive.
I've tried using P-ATA only with S-ATA disabled and in native mode.
Still nothing. I've tried just about every other combination in the bios also and still nothing.
One thing that is weird though if I disable the L1 and L2 Cache, I can actually make it to the xp splash screen but then it loads very slow and crashes again into the blue screen with the same error.
Another odity is when I enable "APIC ACPI SCI IRQ" in the advanced menu, my computer will just freeze when the xp splash screen is suppose to come on, but do nothing else.
Need some help or I think I'm gonna get another motherboard. I'm really fed up.

Quote
Originally posted by Danny
Have you installed XP yet? Or is the splash screen you mention from the installation program.
If you are trying to install now, try this in order:
1 Increase ram voltage to 1.8
2 Try just one stick
3 Try with hyperthreading disabled (still with 1 stick)
Well all the above.
Also when I boot off the my xp hard drive it give me that blue screen, also when I try to run the XP install disc I get the same blue screen. I've even tried to boot off a USB ide drive that had windows xp installed on it, but the same blue screen. I've looked up the error code on microsofts web site and it says something of the sort that there could be a conflict between the raid device and my ide controller. I have no sata drive!! I'm so sick of this motherboard. I serously am thinking about returning and buying something else if I can't get it working soon.

G5 Power Mac (ppc) boots to blue screen only

Hi, I realize that this is an old machine (10 years, at least) but until a few days ago it was working fine. I use it only for the FCP Suite, which will not run on my new Intel-Based Imac.
Anyway, I was able to boot up from the CD and run both the Disk utility and the Hardware Diagnostic Test. It passed the Hardware test without problems and then the disk utility found a bunch of errors, all of which is fixed (I have run it several times and it now comes up at "ok" everytime.
Still, when I go to boot it up it takes forever and goes through the gray screen, then the blue screen, and does not go past that.
I am stuck. Any ideas about the next steps? Should I use the Firewire Target Disk Mode?
There is another internal hard drive (which also passed all the tests) and I am wondering if I should try to install the system onto that and then try to boot from that. Any ideas about that? And, if I were able to boot from that disk, any ideas whether or not I would be able to then see the primary hard drive to copy off the project I was in the middle of when it went down?
I know I have a lot of questions, but any insight would be greatly appreciated.
Thanks,
Debbie

Hi BDAqua,
Many thanks for your thoughtful reply. I have done as you said—actually, I tried it right after I read your post—and the wheel is still spinning on the blue screen, which can't be good! It may be doing something, as previously it would go to the blue screen and eventually lose the spinning wheel, but still...
So, I had also done a reset of the PRAM and, I think, the SMU. What's next, do you think? What do you think of the idea of installing a system on the second hard drive...too risky? And is there anything I should be vacuuming, or looking at inside the whale? I saw some others had recommended that for other reasons...
Again, many thanks,
Debbie

G5 2.7 boots to blue screen

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