Disk Utility - why all the authentication prompts?
I tried this question on Usenet first but did not have much response...
I have been experiencing this behaviour with running Disk Utility in a non-admin account. It seems that it is asking me to authenticate as an admin user when it shouldn't be.
Examples:
1) Using DU to unmount or eject either or both partitions on a FW drive prompts me to enter an admin username/password, but I can eject the volumes with Finder with no such prompt
2) After one of the updates (maybe 10.4.5 or 10.4.6, can't remember for sure) I started getting two authentication prompts when repairing permissions. One is expected; but why two?
3) I get prompted to authenticate when erasing a CD-RW. When I reported this to Apple as a bug I got this response: "Please know that our engineers have not been able to reproduce this reported behavior with a non-admin user. For the non-admin user no login prompt was given and cdrw erased with no issues."
4) Entering this into Terminal results in a GUI authentication prompt popping up:
diskutil unmount /Volumes/partition1
But I can run this applescript and it works with no authentication:
do shell script "diskutil unmount \"/Volumes/partition1\""
Is ANY of this happening to anyone else? What's wrong with my system?
eMac Mac OS X (10.4.8)
Never mind, I fixed it myself. I fired up OnyX and let it have a go on my boot drive. I let it delete caches, rebuild this and that, pretty much let it do everything it could do. After a reboot now all is okay!
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Check the HD on another computer, if nothing, your SATA bridge is fried, or the HD (very unlikely since its a Seagate inside)
Youd have to crack open the HD, remove the SATA bridge cart thats plugged into the HD and put the HD into an enclosure or a HD dock to get the data
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Sata bridge: -
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Thanks in advance,
Sreejesh.After using BootCamp to partition a drive, the partition map is a hybrid that Disk Utility is unable to do anything with safely as far as partitioning goes.
Try Camptune from Paragon at http://www.paragon-software.com/home/camptune/ instead.
Allan -
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It sounds like you may have multiple problems, but none of them are likely to be caused by malware.
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http://www.adwaremedic.com/kb/baddns.php
http://www.adwaremedic.com/kb/hackedrouter.php
If investigation shows that this is not a network-specific issue, then it's probably adware. See my Adware Removal Guide for help finding and removing it. Note that you mention AdBlock as if it should have prevented this, but it's important to understand that ad blockers do not protect you against adware in any way. Neither would any kind of anti-virus software, which often doesn't detect adware.
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(Fair disclosure: I may receive compensation from links to my sites, TheSafeMac.com and AdwareMedic.com, in the form of buttons allowing for donations. Donations are not required to use my site or software.) -
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Other things to consider:
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Capacity: 1 TB (1,000,204,476,416 Bytes)
Mount Point: Not Mounted
Format: Mac OS Extended (Journaled)
All other status fields blank.
Any one know how long it will take for Disk Utility to repair the external HDD? Any other ideas as to how I can get the Lacie HDD to reconnect with the Macbook and resume normal operations? i.e. Time Machine backups, accessing contents through the Finder.purduegrad_macguy wrote:
I've been using my Lacie 1TB external HDD for my Time Machine backups for quite sometime. Its never given me any problems until now.
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When I used Disk Utility for repairs... it went from 7 minutes to 4 hours and after about 10 minutes it was saying 40 hours...
So I just replace it with a New EHD... -
Is it as simple as connecting the Macs together with a USB cable?
I think you can. I connected a MBP with Lion to a MBP that has three volumes, each with a different OS. I put that MBP in Target disk mode. I booted the MBP with Lion, OPTION key down and it showed all of the volumes, including the target disk mode MBP. I selected the Recovery HDD and then selected the Disk Utility option from the menu. All volumes were on Disk Utility. That is as far as I went. Try it. I think you will succeed.
Ciao. -
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Disk Utility stopped repairing the disk. I was instructed to backup as many of my files as possible.reformat the disk and restore my backed up files. Since I use time machine, can I assume that all my files and programs can be restored from my recent back ups?
Hi jeromefrodia,
Welcome to the Apple Support Community!
I understand that you are concerned about your data before reformatting the disk. Because you use Time Machine your information should be safe. Please refer to the attached article for information about what Time Machine backs up and how to restore from that backup.
Mac Basics: Time Machine backs up your Mac
Cheers,
Joe -
I can't burn a dvd using any method, idvd tells me that my super drive is missing, dvd studio pro quits when i click burn and disk utility keeps spitting the disk out when I click burn and enter the disk??? how do i repair my superdrive for imac, or how do I do whatever I need to do to get it working: I have already tried using a lens cleaning cd and also restored my nvram or something i forget what it was called but i restarted my computer holding down command+optoion+p+r and still nothing???
Free solutions are the best, although if I have to pay I will, I would prefer to not have to buy an external burner if possible and already know that is an option so please don't give me that answer... thank you for any help you can giveUnless your iMac is still covered by AppleCare, get an external DVD burner.
You can get perfectly good ones from Amazon for less than $40. -
Hi, I have a hard disk failure so to recover my data I am using disk utility to restore the data on an external drive while booting from a second external hard drive. When I perform the operation and after having selected both my destination and source drives, the operation begins but soon fails due to input/output error. If I try to create an image of the drive it gives me the same error message. Any help would be much appreciated.
Disk Utility only creates a image of the drive, so it's no help getting exactly what you want, which is your files. If the file structure is messed up or the drive is failing then it's no help.
If you have a external boot drive and you can't access the internal non-booting drive though the typical Finder and windows to transfer your files via drag and drop methods, then you need to install Data Rescue on the external boot drive and it will do as best as it can to recover your files. (works on non-encrypted/non-Filevaulted drives only)
.Create a data recovery/undelete external boot drive
Are you sure you have hard drive failure, or that OS X isn't merely not booting?
Because if the drive is working physically, then there is a host of fixes
..Step by Step to fix your Mac
https://discussions.apple.com/community/notebooks/macbook_pro?view=documents#/ -
i have a slow macbook, i ran live disk utilities (from hard drive), turned out I needed to repair disk from a installation disk. Did that, I got the volume (Hard drive) repaired from the installation disk disk. To this point, great!
When I reboot from hdd, then run disk utility, I get the same error message i did b4 repair. I went thru two rounds of this.....
Can anyone help? thanksSorry guys, I don't see how to reply to you so I use reply to "me" basically.
So the error I get is "volume header needs minor repair" and then you need to perform repair from the installation disk message.
I did repair not verify from the disk twice. Every time ending in the "the volume had ha been successfully repaired". Then I reboot from the internal disk. Run disk utilities from it, do verify and get the same error message I got before repair. I hope this can shed some light fr you guys. Sorry I didn't include details in the original
MEssage. -
I have a Macbook with a 500 GB Hard Drive. A routine check on Disk Utility told me the disk needed to be reformatted. I restarted from an external USB drive, but when I try to use Disk Utility to repair the HD or to reformat it, Disk Utility is unable to do anything with the HD (cannot repair, cannot erase,cannot reformat the HD). Is there a utility App that can help me with this, or is the HD unrecoverable?
Hi
Thanks very much for your reply. We have been starting up from a backup (USB) drive and use the disk utility that is on the backup drive so the internal (problem) HD is not being used for anything (except for wanting to repair it). Still Disk Utility cannot reformat or repair the drive. I have also run Onyx but it tells me everything is OK on the drive.
But I have made a little progress. Using my old install disk for Snow Leopard (10.6.3) I have managed to do a fresh install of the system on the internal HD. Unfortunately, I also asked the install disk to transfer/migrate the settings and documents from the backup drive back onto my internal HD. The install appeared to work, but then it got hung up on copying the documents from my backup drive to the HD. After letting it sit for 2 days without going anywhere, I stopped the install process. I am going to try again, just using my Snow Leopard CD to install Snow Leopard, and nothing else. If that works, I will then get on to the problem of copying the rest of the settings and documents from my backup.
But since the Mac works OK off the USB backup, and will also run off the install CD, I am guessing the problem is with the HD and the only solution might be to replace it if I can't repair it. But the macbook is several years old, and I am not sure it is worth buying a new HD for it.
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