Disk utility unable to continue

My Macmini is very new, but recently starting up can take a while. Thinking that the hard drive might be the source of the problem, i tried to use the Disk Utility, but all I would get is the spinning beachball. Tried to click the 'Disk Burning' of System Profiler and the beachball would pop up and go on forever, too.
I then downloaded the latest Techtool Deluxe and the unit passed all tests. I am perplexed.
Thanks in advance!
axx
Macmini Mac OS X (10.4.7) 1.66GHz Intel Core Duo processor

Tough one!
Make sure you run your disk utility and fix permissions from the OS X system CD.
Also make sure your computer is running its daily, weekly and monthly repair scripts. There are plenty of programs out there to accomplish this task manually. I use a widget called Maintidget.
Good luck!

Similar Messages

Disk utility unable to repair disk. What next?

Disk utility unable to repair disk. What next?

I encountered the same problem. After verify disk, I got the message to repair the disk. But it was unable to complete the repair. Rather than purchase Disk Warrior, I tried something else.
What I did was reinstall the OSX (this iMac is still on Leopard). I backed up everything, naturally, before doing the reinstall. I chose the "Archive and Install" option, along with "Preserve Users and Network Settings". This method moves existing files to a folder named "Previous System" and imports existing user accounts, network settings, and home folders into the new OSX.
After the successful reinstall, I ran Disk Utility. It checked AND repaired Permissions. It verified that the disk was fine and no longer needed repair.
If this didn't work, my plan "B" was to reinstall the OSX again, this time with the "Erase and Install" option. Fortunately, I didn't have to go to plan "B".

Disk Utility unable to partition as FAT32

Hello,
I am trying to set up bootcamp on my Late 2013 13" MBP running Yosemite 10.10.1 (14B25). I went and purchased a 16GB flash drive and directly followed the instructions laid out here. I have a family copy (3 activation codes) of Windows 7 Home Premium. I used the 64bit. After formatting my USB to FAT32, and mounting the W7 ISO, I followed and completed all instructions listed above
Upon rebooting into windows, I selected my partition labeled "BOOTCAMP" and tried to continue. I was prompted with "Setup was unable to create a new system partition or locate an existing system partition. See the Setup log files for more information." from the Windows installer. After coming across this thread, I removed anything plugged in (outside of the USB w/ W7 ISO) and tried again. No luck. Lastly, I tried moving the USB from the left to the right, no luck. I then tried to reformat the USB ISO as prompted by the Installer, and that didn't work. (I assume this would have wiped the drive - probably a dumb idea)
I restarted and booted into OSX. I assumed that my best bet would be to restart everything and try again. I removed the partition from my Microsoft HD, and went to erase my USB drive. Upon trying to reformat it as I had before, I realized there is no option for FAT32 in Disk Utility. I have attached an image of this. I am not sure what happened here. I have reformatted the drive by Erasing and Partitioning it multiple different times. Still not option for FAT32. I have been sure to have selected Master Boot Record.
I assume I now can't try again until I am able to reformat the USB into FAT32 so I can again mount my ISO and go from there.
Any guidance? What are my options here?

Confirm that this is what you have been doing?
Selecting an Operating System During Startup
You can select which operating system to use during startup by holding down the Option key. This displays icons for all available startup disks, and lets you override the default setting for the startup disk in Startup Disk preferences (Mac OS X) or the Boot Camp control panel (Windows) without changing that setting.
To select an operating system during startup:
1 Restart your computer and hold down the Option key until disk icons appear onscreen.
2 Select the startup disk with the operating system you want to use, and then click the arrow beneath the icon.
11
12
Removing Windows from Your Computer
How you remove Windows from your computer depends on whether you installed Windows on a second disk partition or on a single-volume disk.
If you installed Windows on a second disk partition: Using Boot Camp Assistant as described below, remove Windows by deleting the Windows partition and restoring the disk to a single-partition Mac OS X volume.
If your computer has multiple disks and you installed Windows on a disk that has only one partition: Start up in Mac OS X and use Disk Utility, in the Utilities folder, to reformat it as a Mac OS X volume.
To delete Windows and the Windows partition:
1 Start up in Mac OS X.
2 Quit all open applications and log out any other users on your computer.
3 Open Boot Camp Assistant.
4 Select “Remove Windows 7,” and then click Continue.
5 Do one of the following:
Â If your computer has a single internal disk, click Restore.
Â If your computer has multiple internal disks, select the disk with Windows on it, and then select “Restore to a single Mac OS partition” and click Continue.
If yes, we now have to get you to get the MBP to boot and that is relatively easy, provided that you have followed all the right steps.

Restoring .dmg image from external to Mac HD in Disk Utility: "Unable to scan image (Input/output error)"

Hi guys,
So I've got a problem with restoring the image backup I did (using Disk Utility) of my 500GB HD on my MBP which was acting weird or maybe even crashed a few months ago. After creating the backup image and putting it on my external device, I installed Mavericks back to see if everything was alright (mainly the HD) and everything seems okay.
I did try restoring the backup image through disk utility before installing mavericks (thus erasing everything again on the HD) AND after. But nothing..
The whole process starts fine and then it starts scanning the image when after maybe a good 10-15min in I get a message that says that it was unable to scan the image. I tried verifying the disk(s), everything came out "OK". Also tried scanning it through Images > Scan image for Restore... with the same results.
While searching I've seen people getting messages like "Unable to scan filename.dmg (Invalid argument)" and "Unable to scan filename.dmg
(Internal error)" but none have (Input/output error)
The screen grab is below.
I also came across something about using terminal/commands but I'm not that savvy with it, especially considering that those there had issues with either mounting or trouble finding the image.
I've also tried moving the backup image to a different external device 2TB and also the desktop because I read it may have to do with the format of the externals or maybe free space. But THEN I would get a message saying
"The Finder can't complete the operation because some data in "Mac HD Backup.dmg" can't be read or written. Error code -36"
Fyi ALL my externals are HFS+/Journaled and the backup image format was compressed.
I REALLY don't know what to do next. Was it the wrong move to create a dmg image? Have I lost everything? Is there still a way out?
If anyone can help, THANKS!
2012 MacBook Pro, Mac OS X (10.9.3)

Make a "Genius" appointment at an Apple Store, or go to another authorized service provider. You may have to leave the machine there for several days.
Back up all data on the internal drive(s) before you hand over your computer to anyone. There are ways to back up a computer that isn't fully functional—ask if you need guidance.
If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
Keeping your confidential data secure during hardware repair
Apple also recommends that you deauthorize a device in the iTunes Store before having it serviced.
*An SSD doesn't need to be zeroed.

Disk Utility unable to repair disk

My IMAC started to freeze up for a couple of minutes while running Word for Mac 2004 and Entourage. Microsoft tech support suggested running rebuild database for Entourage. Rebuild database did not execute citing I/O problem. Ran Disk Utility from Install Disk and it was unable to repair one volume after repeated attempts. Also tried ckfs but that found no errors. Some posts recommend Disk Warrior or other recovery software. Any suggestions before the trip to the Genius Bar?

Disk Warrior repaired the disk on its first pass. Disk Utility confirmed the repair. No symptoms any more in Word for MAC and Entourage 2004. Still could not rebuild database. Will back up to be safe.

Disk Utility "Unable to create" Disk Image "error -39"

I am trying to create a disk image using Disk Utility of my wife's user area for backup. Everytime I try, I get the same result. Disk Utility spends several hours creating the archive, then at the very end it generates an error message and terminates the process. The error message is always "unable to create "user" - error -39".
The problem follows her data and not her computer. I backed up her user to an external drive and did the image creation on another computer. Same result.
When I do the same on my computer, the process completes fine.
What problem is Disk Utility having? Where can I find the meaning of Disk Utilitility's -39 error?
PowerBook G4 Mac OS X (10.4.5)

I am still experimenting. To narrow the problem, I decided to create individual disk images of the folders in the User folder. The first one I tried was 7 GB and worked fine. Overnight, I tried one that is 13 GB. It failed with an out of room message on the startup disk! The startup disk has 17 GB free. Nothing should have been written to the startup disk!
This time, I configured Disk Utility to read from the startup disk and write to an external disk. The destination disk had more than enough space. But, I ran out of space on the source. It appears that Disk Utility is writing all or a portion of the compressed file to either the startup or the source disk and running out of room.
Previously, when I created the image of my user folder (instead of my wife's), the source was my user folder on the startup disk and the destinaion for the image was on an external disk. The difference I see is that my startup disk has enough free space for the entire compressed image file.
In my first attempt that gave me the -39, both the source and the destination disks were external. So maybe Disk Utility is creating the image on the source and at the end copying it to the destination. This would explain the difference in the error messages.
I'll try to confirm all of this in the next few days and report my findings.

Disk Utility Unable to Probe Target Disk

Hi All,
iMac G5 iSight turns on to the blinking folder icon. Booted to a Tech Tools drive, tried repair disk in disk utility, it said it was unable to repair.
Booted the G5 in Target disk mode, connected over firewire to a White Macbook. Eventually, the G5's hard drive turned up in Disk Utility but not on the desktop or in Finder. Tried to Mount the HD, that failed, and DU told me to repair the volume first. Initiated a repair through DU.
The repair is taking quite a while, so I checked out console.
Here's the console messages
Oct 11 11:04:03 eva-gils-macbook diskarbitrationd[31]: unable to mount /dev/disk2s2 (status code 0x00000001).
Oct 11 11:07:48 eva-gils-macbook kernel[0]: disk2s2: I/O error.
Oct 11 11:15:18 eva-gils-macbook kernel[0]: disk2s2: I/O error.
Oct 11 11:16:03 eva-gils-macbook kernel[0]: disk2s2: I/O error.
Oct 11 11:16:03 eva-gils-macbook diskarbitrationd[31]: unable to probe /dev/disk2s2 (status code 0xFFFFFFFC).
Oct 11 11:17:33 eva-gils-macbook kernel[0]: disk2s2: I/O error.
Oct 11 11:24:18 eva-gils-macbook kernel[0]: disk2s2: I/O error.
Oct 11 11:25:03 eva-gils-macbook kernel[0]: disk2s2: I/O error.
Oct 11 11:25:03 eva-gils-macbook diskarbitrationd[31]: unable to probe /dev/disk2s2 (status code 0xFFFFFFFC).
Oct 11 11:31:48 eva-gils-macbook kernel[0]: disk2s2: I/O error.
Oct 11 11:32:33 eva-gils-macbook kernel[0]: disk2s2: I/O error.
Oct 11 11:32:33 eva-gils-macbook diskarbitrationd[31]: unable to probe /dev/disk2s2 (status code 0xFFFFFFFC).
Oct 11 11:36:18 eva-gils-macbook kernel[0]: disk2s2: I/O error.
Oct 11 11:40:03 eva-gils-macbook kernel[0]: disk2s2: I/O error.
Oct 11 11:43:48 eva-gils-macbook kernel[0]: disk2s2: I/O error.
So, lots of Input Output errors and unable to probe. I'm wondering, does anyone have experience with this? Is the drive completely hosed? Is DU first aid still my best option? I'd love to get the seven years of stuff off that computer so I can back it up and wipe the HD.

As expected, the disk formatted with MacDrive was recognized OK by my iMac. As soon as I connected it Time Machine offered to use it, I accepted and my first backup completed some time last night (I left it working and went to sleep).
Any ideas about what could be happening with the hard drive?

Disk Utility: Unable to create "ImageName.dmg" error -39

Ladies,
Gentlemen,
I used Disk Utility to backup the internal hard drive of my iMac G5 iSight.
The last backup of the hard drive was unsuccessful, ending with next message: Unable to create "ImageName.dmg"; error -39.
The iMac is running OS X 10.4.11.
I proceed as follows:
Boot from the OS X 10.4.2 installation DVD and firing up Disk Utility.
Menu option: File, New, Disk Image from disk0s3 (Mac HD)
The target disk is Porche_LaCie FireWire drive.
After +/- 2 hours I end up with the above message.
The hard drive has following characteristics:
Name : Mac HD
Type : Volume
Disk Identifier : disk0s3
Mount Point : /
File System : Mac OS Extended (Journaled)
Connection Bus : ATA
Partition Type : Apple_HFS
Device Tree : sata/k2-sata@0/@0:3
Writable : Yes
Universal Unique Identifier : 9AFCA71A-DD8B-376E-9776-EE7EDDBB328C
Capacity : 148,9 GB (159.907.627.008 Bytes)
Free Space : 96,9 GB (103.996.362.752 Bytes)
Used : 52,1 GB (55.911.264.256 Bytes)
Number of Files : 419.419
Number of Folders : 104.321
Owners Enabled : Yes
Can Turn Owners Off : Yes
Can Repair Permissions : Yes
Can Be Verified : Yes
Can Be Repaired : Yes
Can Be Formatted : Yes
Bootable : Yes
Supports Journaling : Yes
Journaled : Yes
S.M.A.R.T. Status : Verified
Disk Number : 0
Partition Number : 3
The target drive characteristics:
Name : Porche_LaCie
Type : Volume
Disk Identifier : disk1s1
Mount Point : /Volumes/Porche_LaCie
File System : Mac OS Extended (Case-sensitive, Journaled)
Connection Bus : FireWire
Partition Type : Apple_HFS
Device Tree : fw/node@d04b7417066788/sbp-2@c000/@0:1
Writable : Yes
Universal Unique Identifier : BCCEBED2-08F5-3C21-8750-75716AF060B9
Capacity : 232,9 GB (250.056.705.024 Bytes)
Free Space : 160,8 GB (172.646.076.416 Bytes)
Used : 72,1 GB (77.410.627.584 Bytes)
Number of Files : 15
Number of Folders : 4
Owners Enabled : No
Can Turn Owners Off : Yes
Can Be Formatted : Yes
Bootable : Yes
Supports Journaling : Yes
Journaled : Yes
S.M.A.R.T. Status : Not Supported
Disk Number : 1
Partition Number : 1
The target drive already contains 3 earlier images. The biggest image has a size of 28,14 GB. And as you can see this drive ha enough place for other images.
So what is going wrong?
I Googled for this error -39 without any success and I have not found any thing about this particular error in Apple's discussions or support pages.
I would feel a lot safer with a decent image of my Hard Drive. I already lost one and do not want to repeat this again...
Can any one help?

If you want to create a backup of your system volume, then do not use disc images. They are not bootable. Here's a far better solution:
How to Clone Using Restore Option of Disk Utility
1. Open Disk Utility from the Utilities folder.
2. Select the backup or destination volume from the left side list.
3. Click on the Erase tab in the DU main window. Set the format type to Mac OS Extended (journaled, if available) and click on the Erase button. This step can be skipped if the destination has already been freshly erased.
4. Click on the Restore tab in the DU main window.
5. Select the backup or destination volume from the left side list and drag it to the Destination entry field.
6. Select the startup or source volume from the left side list and drag it to the Source entry field.
7. Double-check you got it right, then click on the Restore button.
You can also do the same using other backup utilities that can create bootable backups:
Backup Software Recommendations
My personal recommendations are (order is not significant):
1. Retrospect Desktop (Commercial - not yet universal binary)
2. Synchronize! Pro X (Commercial)
3. Synk (Backup, Standard, or Pro)
4. Deja Vu (Shareware)
5. Carbon Copy Cloner (Donationware)
6. SuperDuper! (Commercial)
7. Intego Personal Backup (Commercial)
8. Data Backup (Commercial)
Also read How to Back Up and Restore Your Files.

Disk Utility Unable to Repair External FireWire Hard Disk

Hello all.
This is the External FireWire Hard Disk that has been giving me problems for days, it is a Backup/Clone Disk of my sis's Mac mini Core Duo, and may explain why it was so hard and took so much pain to copy some of the data out, at times it failed to mount, and I manage to rescue some data after using Disk Warrior, but Disk Warrior was also unable to replace it with a new directory.
Anyway, so I (was able to) mount the hard disk, and I was successful in erase and reformating it.
But when I (try to) repair it with Disk Utility's First Aid, this report is what I get:
(The usual 'Checking...' text lines, text in BOLD indicates RED colour text)
Checking HFS Plus volume
Checking Extents Overflow file
Checking Catalog file
Checking Catalog hierarchy
Checking volume bitmap
Volume Bit Map needs minor repair
Checking volume information
The volume Untitled could not be repaired after 3 attempts
Error: The underlying task reported failure on exit
1 HFS volume checked
1 volume could not be repaired because of an error
Repair attempted on 1 volume
1 volume could not be repaired
Then a window dropped down from the top says:
First Aid failed
Disk Utility stopped repairing "Untitled" because the following error was encountered:
The underlying task reported failure on exit
(OK Button)
I guess this hard disk is really a gone case?? I am quite OK just to replace it with a brand new one... maybe all the trouble I had in the beginning is because I may already have a faulty backup drive to begin with???
Thanks and cheers

Hi Kappy,
I knew there was something about "not mixing" PPC and Intel versions of dealing with the external drive.
The drive was originally prepared on an Intel Mac mini Core Duo. But it should also mount normally on a PPC mac as an external hard drive right?
Here's the sequence of events:
1. Tried to boot from the Back Up/Clone Drive of the Mac mini Core Duo, through my MacBook Core 2 Duo, but failed to boot up
I had to shut down the MacBook (prolonged Bluescreen)
2. When I reboot the MacBook, and tried to mount the ext drive as normal, nothing happens, I knew something was wrong
3. Able to reach the vendor, use the Mac mini again to erase and reformat the drive, then check with DU, everything is OK
Clone with SuperDuper
After that check again with DU, not everything is alright, there are errors.
4. Brought the drive home, try to mount on my iMac G5, nothing happens.
I did a check on this forum, and the reply was that I should be able to use Disk Warrior 4 (Universal) on a PPC to fix an Intel-based ext drive. I was very specific and detail in my post/question
5. So anyway, I have no other option, I ran Disk Warrior 4 from my PPC iMac G5 and scan the ext drive, trying to fix it.
It reported the drive is too damaged to be replace with a new Directory, but gave me a Preview Mode. I use this to copy some data out.
But not sure if the data is OK or not.
6. After that, I was able to mount the drive in my iMac G5, so I just use DU and erase and reformat the drive, with Zero Data
7. Ran DU again, and that's where I am now, at the very first post, getting error messages that I cannot fix the drive
Thanks and cheers

Disk Utility unable to Verify/Repair Permissions since this week's update

Hey there folks- I am experiencing some software problems with certain apps not launching (I understand it is an issue with QT now but am not clear on how to revert... Help?) and naturally panicked a bit.
I went into Disk Utility and tried to Repair Permissions.
Starts checking and then claims to lose connection and that I need to quit it and relaunch. This, of course, tells me that I am about to corrupt the disk and will "pay" for it (not seriously but feels like it!).
Anyone know what I can do to fix this as I really cannot, this minute, afford to reformat as I am working flat out with the machine.
So- review- unable to repair permissions and sometimes the machine runs slower than usual on the net as well as no longer launching some applications. Missing a few too but I can live with that!
Any help VERY gratefully received.

Oh dear lady upstairs! Sorry to not have responded sooner- I never got the message that you had answered me... Bit odd that!
OK- thanks for that. I do so like understanding what I am doing and, more importantly- WHY!
Will do and let you know if that sorts matters...
As for QT- I hear tell that it can interfere with the running of applications and I certainly had a lot more than just Disk Utility fail on me. Stuff APPEARS to launch and then just stops after a few bounces of the icon on the dock.
Of course that TOO began only after the update.
I have to say- if it weren't for your calming influence I'd have freaked by now. I mean- how can we trust the updates if they cause such agro?!
LOL!

Disk Utility - "Unable to create 'Desktop' - error 49168" - What's this?

I try to create a compressed disk image of my Desktop using Disk Utility and get the following error:
Unable to create "Desktop" - error 49168
Does anyone know what that means?

Googling for the term
"error 49168"
including the quotation marks points to several web sites, including http://forums.macosxhints.com/archive/index.php/t-45310.html
which you may find helpful.

Disk Utility unable to format or partition external HD

Last weekend I bought Leopard and prepared everything in my iMac (PowerPC G5, 2.0 GHz) to install it. One of the things I tried was to repartition an external USB hard drive (Iomega 120 GB P/N: DHD120-C) for use with Time Machine. This drive was already formatted with HFS+ but I noticed that was using MBR, and I understand that for use with Time Machine you have to connect a disk using Apple Partition Scheme. Well, I used Disk Utility (still on Mac OS X 10.4.10), selected Partition, Options, Apple Partition Scheme instead of Master Boot Record and tried to apply changes to the drive. Disk Utility froze, I left it for more than one hour until I had to force quit it.
When my iMac rebooted an screen appeared saying that I had a drive not recognized and gave me the option to initialize it. A second failed attempt, Disk Utility froze again.
Finally, I decided to move to Leopard and try to fix the problem later. Everything went fine and while I was waiting I used a Windows machine to partition my external USB disk drive (used DISKPART to create a primary partition) and formatted it with NTFS because Windows told me that the drive was too large to use FAT32. In Leopard, I connected the drive, it mounted OK and used disk utility again to try to repartition it using Apple Partition Scheme and Mac OS Plus (which I understand is the same than HFS+). Disk Utility froze again, more than a couple of hours later I had to force quit it and now I'm using MacDrive in a Windows computer to format the drive, after creating again a primary partition using DISKPART, it seems to work without issues, formatted it using HFS+ in less than a minute. For me, the drive is working fine.
I'll test it with my Leopard iMac later, I'm sure it will mount OK but I'm also pretty sure that it will be recognized as Master Boot Record, which most certainly will give me problems if I try to use it with Time Machine (or not?). Can anybody please explain me what's happening between my iMac and the external hard drive?
Thanks in advance.

As expected, the disk formatted with MacDrive was recognized OK by my iMac. As soon as I connected it Time Machine offered to use it, I accepted and my first backup completed some time last night (I left it working and went to sleep).
Any ideas about what could be happening with the hard drive?

Disk Utility Unable to Repair Permissions

Hi there
I'd recently noticed my Mac was starting to run a little slow so I thought I'd run the Verify Permissions in Disk Utility and I got a warning message:
'Warning: SUID file "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAg ent" has been modified and will not be repaired'
I also got several permission errors relating to my airport which were fixed ok but not this one for Remote Management. Is this anything to worry about?
Thing is I've never used the Remote Management App and am a little paranoid that my mac has been compromised in some fashion. I know macs a pretty immune to malware and viruses but not completely invulnerable. Is this something I should be worried about or am I paranoid over nothing?
Ta in advance
John

Is this anything to worry about?
No. Click here for more information.
(53303)

Disk Utility - Unable to Shrink Disk Error

hey guys,
I have been trying to shrink my system partition but i keep getting an error.
I had Vista installed on a boot camp partition, but i needed to reinstall it and i decided to start from scratch. I erased the vista partition and tried to recreate it. I ran boot camp assistant but that failed at creating a new partition.
I ran disk utility to first try and shrink the system drive, then increase the size to full before i rerun the boot camp partition. however, i cannot shrink.
this is the error i get.
http://dl.getdropbox.com/u/734117/Screen%20shot%202009-10-25%20at%208.48.54%20AM .png
I had only about 35 gigs free and i tried to create a 20 gig partition. after that error, i erased some data and now have just under 100 gigs free. but the drive still cannot shrink
I was hoping to find a way to shrink the drive, or defragment without having to erase the entire disk and reinstall. i do not have the backup capabilities to move all my data at this point.
Thanks for your help

Hahmad wrote:
How do i create a clone?
first, you need an external drive. then use CCCloner http://www.bombich.com/index.html
or Superduper http://www.shirt-pocket.com/SuperDuper/SuperDuperDescription.html
to clone the OS X partition to the external. make sure that the external is formatted with GUID partition scheme before cloning. if needed reformat it first with disk utility.

Disk utility unable to repare hard disk, need help !!

I have Dual 2.7 Ghz PowerPC G5
I have 2 hard disks one of which is used for the system (10.4.6). recently I run a disk utility verification on Macintosh HD (primary for MAC system disk).It found some errors ,but when I tried to repaire them I got this:
Error: The underlying task reported failure on exit
I tried to safe boot, but the computer just won't start. It starts for a few minutes ( I suppose it checking the system) and then restart again ( and if you hold the magic button fro safe boot it will restart and restart and restart).
I tried to write some unix command ( I can remember which ones- but there are for the sort of deep repairing, but they do nothing at all.
Please some one help me to repare my disk ( may be suggest some third party program or something else.)
Thanks in advanced.

Journaling is explained here
http://docs.info.apple.com/article.html?artnum=107249
It aids system recovery but the operation is automatic and not visible to the user.
Have you have checked the files suggested in The hatter's link?
Sorry, losing the thread a bit between all these different posts and problems. I can only suggest going back to basics:
Back-up your data if possible - if you haven't already.
Reset the PMU
Disconnect all non-essential peripherals leaving just display, keyboard and mouse; unplug from the mains and leave for at least 30 mins; re-connect mains plug to G5(to earth the casing), then reset the PMU
http://macosg.com/group/viewtopic.php?t=5819&highlight=resetting+pmu
Note static precautions and the warning to press the button once only.
Then boot from the system DVD and run the Apple Hardware Test.
Then, while booted from the system DVD, run Disk Utility on your internal boot drive and try to repair it. Some further notes here
http://docs.info.apple.com/article.html?artnum=302672
If it still finds unrepairable errors you will probably have to Erase & Install
http://docs.info.apple.com/article.html?artnum=301270
Then use the combo updater
http://www.apple.com/support/downloads/macosx1046comboforppc.html
Re-install applications and restore user data.
Apologies if this is overkill - or if there are any omissions - have to go to bed now - no, have breakfast - no, wait a minute, what day is it? - what's the Prime Minister's name...?
Anyway, Good Luck. Let us know how you get on.

Disk utility unable to continue

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