OS X :: Cannot Burn A Bootable Image File Using OS X 10.3.9's Disk Utility Software?
Feb 21, 2009
I'm currently trying to burn a bootable image file using OS X 10.3.9's Disk Utility software. I have an external DVD Burner connected to a G4 Cube via Firewire. The issue is that when I select "burn" from the menu and point to the respective .dmg file, Disk Utility does not recognise the attached DVD burner. The burner is however recognised in Toast (which I also have installed).What might the issue be? I have searched high and low on the net in an attempt to diagnose the issue to no avail. Is there an alternative solution to burning bootable disks in 10.3.9?
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Aug 27, 2009
So I have an ISO file that I need to burn onto a dvd, and i bought some double-layer DVD+R's at the shop... And apparently it doesnt work. I mount the image, and then click on Burn.
A pop-up appears for like 2 seconds saying: Finishing Burn. The CD comes out, blank as ever...
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Jun 1, 2012
I created a bootable usb drive on a windows pc using windows 7 to install windows 8 preview and want to make a copy to install in virtualbox on my imac and burn to a dvd that will work on pc.
I've tried using disk utility to create an image and get a file ESD-USB.dmg, but virtualbox won't boot a dmg file.
I tried converting it in the terminal with:
hdiutil convert -format UDRO -o windows8.iso ESD-USB.dmg
but the resulting file was windows8.iso.dmg. I changed the name to windows8.iso, but even so, virtualbox complains it's unbootable.
I tried the terminal command:
dd if=/dev/disk4 of=windows8.iso
but virtualbox complained that it's not bootable.
I tried the terminal command:
cat /dev/disk4 > windows8.iso
but virtualbox complained that it's not bootable.
Info:
iMac, Mac OS X (10.7.4)
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Jun 28, 2010
I have been trying to burn a .cdr file to a dual layer dvd using Disk Utility. I got it to work once, but I tried four times. I think that it must be very sensitive or something, because I can't figure out any other factor that affects it.
Has anybody else run into this problem, and if so, what's your solution? I think it may have to do with vibrations of the disk drive or something, but I would be lying if I said I knew that for sure...
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Sep 10, 2009
Apparently, there are two ways to convert disk images in CDR format to ISO format:
1. Rename diskimage.cdr to diskimage.iso
Or
2. hdiutil makehybrid -iso -joliet -o diskimage.iso diskimage.cdr
The first method is really quick while the second method takes quite a long time. Do the two methods yield the same ISO file? In particular, I would like to convert a bootable CDR disk image to an ISO disk image.
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May 14, 2009
I want to upgrade my iMac G5 from its original 250GB disk to a 1TB WD Caviar Green.
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Feb 19, 2009
Been searching for the answer to this question, so far to no avail. How can I create a bootable disk with Disk Utility on it? I need to run Disk Utility to repair my main startup disk on my G5 tower, which is running tiger 10.4.11. I do not have access to the original system installation disks for this computer. I also have an early Intel Dual Core tower running Tiger 10.4.11. That machine has Toast Titanium version 8.0.1. Also no access to the system installation disks.
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Apr 7, 2010
When I first got Leopard I restored an image onto my new hdd before I used it as a time machine drive. Does anyone know what will happen if I restore an image of snow leopard onto it and uncheck the erase drive option? Will I just have a bootable time machine drive w/ SL or will I mess up my TM backups?
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Dec 27, 2008
What's the Best Application to make a bootable disk image of your hard drive ?
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Aug 22, 2014
Tried to create a bootable clone using Disk Utility & got this:“Restore Failure, Recovery partition restores can only be done on GPT partition maps.”I may need to purchase Carbon Copy Cloner ($40) or Super Duper ($28).I had been using my free CCC v. 3.4.7 to make clones of OS X 10.6.8 but now I upgraded to OS X 10.9.4 & got message that CCC not compatible with Mavericks unless I buy the CCC v. 3.5.6.I read several places that DU can do back up clones same as CCC or SD!I launched DU from recovery system, selected Mac HD as source & my XHD as destination. Both are formatted Max OS Extended (Journaled)So, what am I doing wrong?Also, what advantages, if any, are there in using CCC or SD instead of the free DU?
Info:
iMac, OS X Mavericks (10.9.4), 4 GB RAM, Win XP Pro-Boot Camp
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May 17, 2012
Is it possible to create a bootable disk image of my hard drive onto an extrenal firewire hard drive?
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Apr 11, 2010
the burning disk is maxwell dvd+r
an error appearing when burning ''failed to calibrate the laser power level''
i have mbp (late 2008)
how to fix it ?
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Oct 6, 2010
Whenever I try to burn an ISO to CD, it doesn't work, because Disk Utility requires me to insert a "Matshita DVD-R" and I don't have any of those. I only have DVD+R and CD-R. How do I burn it?
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Oct 28, 2007
I can burn CD-R and DVD+R but I am having a problem burning a cd that is DVD+R DL. Every-time I try to burn that kind of CD through either Toast or Disk Utility I get an error message that says "Unable to burn. The device failed to calibrate the laser power level for this media.". I know my SuperDrive is a DVD+R DL it shows it in the system information. Is it mabye the CD i bought? the one I have is Memorex Doublelayer DVD+R DL 8.5gb, 249min, 2.4x
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Jul 20, 2009
It all started last week when I tried burning an ISO to a blank Memorex DVD-R. When I inserted the DVD it would eject the CD over and over again no matter how many times I tried. The same thing would happen if I used a Memorex CD-R. Now these CD's worked in the past without any issues, and seem to work just fine on my other computers.
I decided to go out and buy a different brand of DVD-R's at Office Depot, thinking the laptop just wasn't really into these DVD's anymore. I ended up buying TDK DVD-R's. The computer seemed to like these more because it didn't eject them when I placed them into the drive.
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Jul 28, 2009
I am desperately trying to burn a ISO file to a USB and external HD but Disk Utility does not want to. Instead I get the error message "Could not validate source - error 254". So there must be a problem with the source which is the ISO file.
I already tried setting the Partition Map Scheme to both Master Boot Record and GUID Partition Table. I also formatted the drive to FAT and HFS+. I cannot find the cause of this error. It clearly looks like Disk Utility does not like burning ISOs to USBs or HDs.
However, I really really need to this since I cannot burn ISOs with my SuperDrive which is also a common problem [URL]with my MacBook Pro.
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Nov 28, 2009
I was burning an ISO to a dvd in Disk Utility, and it gave me the message "Verification of the burn failed" So, I tried running the dvd, and I didn't get any error messages. Do you think the disk/iso/whatever is good to use?
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Jan 30, 2010
Well i'm trying to burn a disk image onto a DVD-DRL using disk utilities. I get everything all into disk utility and the blank cd is there and the DMG. When i select burn and the burn options comes down, It only allows me to burn to the super drive and not to the blank DVD. I tried going along and just burning it to the SuperDrive and it didn't work.
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Feb 20, 2010
I have been trying to burn DVD on my macbook pro (late 2008) using Disk Utility and Burn and I always faced a message that says: " The disc can't be burned; it might be incompatible with this sic drive. Please try a different brand of disc, or try burning at a slower speed". I can burn CDs just fine .. but when it comes to DVD +R +RW +DL I cannot ! I have important files that I need to burn but I can't due to this problem. I'd like to mention that I have tried 2 different DVD brands with the speed of x2 and x4 with no luck!
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Aug 18, 2009
I recently deleted a boot camp partition and i did all that i was told to do.
When your on disk utility you have the hard drive type then "macintosh HD under it.
When i click the hard drive it shows i have 91 GB remaining on it
When i click macintosh HD it shows its only a 200GB hd when its a 250 and only has 69 gb free?
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Jun 7, 2012
Two days ago my computer died and I haven't been able to get past the Apple screen since. I've tried starting in Safe mode, etc. that did not work. I just started up using my installation disk and got into Disk Utility. It says it cannot repair the disk and that I should back up as many files as possible and reformat the disk. How am I supposed to back up if I can't start up? I am currently creating a new image of the HD to an external drive but my question is if Disk Utility couldn't repair the disk, with the external drive copy also be problematic? How can I tell before I reformat the whole thing and start over?
Info:
iMac (24-inch Mid 2007), Mac OS X (10.7.4)
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Feb 8, 2010
Disks I put in the Superdrive, external hard drives, or anything in the USB or Firewire (thumbdrive, etc) -- nothing shows up on the desktop. All are visible in Disk Utility. USB thumbdrives and external hard drives are visible in the sidebar in Finder, but disks are not (only disk utility).
Because of this I can't burn a disk because the disk is not being recognized. In Disk Utility, the external hard drives appear mounted and can be opened in Finder, but why aren't they appearing on my desktop (they used to)?
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Jan 14, 2011
I am getting errors when I attempt to burn my back-up Snow Leopard .dmg in Toast 10 or Disk Utility. Is my superdrive faulty? Here are my error messages.
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Apr 2, 2012
I have a 7.38 gb music iso disk image file that I wish to burn to a DVD disc. would I have to burn two DVDs or would I be able to compress this file to fit a single DVD disc? any mac wizards out there?
Info:
iMac PowerPC G3 600MHz (slot-load) (Summer 2001), Mac OS X (10.5.8), ~ 2.33 GHz Intel Core 2 Duo/2GB 667 MHz DDR 2 SDRAM ~ Dead iPod
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Oct 20, 2009
I am fairly new to the Mac world. The other day I was trying to do a disc copy of a music CD. I followed the instructions within Disk Utility, which resulted in a .dmg (disk image) file being created. However, when I went to burn the resulting file to a blank CD I found that the file was bigger than the capacity of the CD. Obviously, the disk image file itself takes extra space (in addition to the size of the original music files). Is there any other way of creating a 'snapshot' of a CD or DVD? Perhaps 'on the fly', as I do with my PC's?
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Mar 4, 2010
I'm trying to use Disk Utility to restore a .dmg backup file stored on an external usb hard drive. The image is a read-only dmg and is 75gb. When I try to restore the 75gb image to a 128gb SSD formatted in OS Extended (Journaled), Disk Utility says that there is not enough space on disk to restore.
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Mar 25, 2012
I don't know if this is a problem or not, but recently on my 15" MBP using Mac OS X Lion 10.7.3, clicking on a .dmg file automatically opens Disk Utility. Which is weird, since before this situation happens, opening a .dmg file will not automatically open Disk Utility.I have a screen shot below opening the .dmg file for Firefox installer for Mac OS X. Shouldn't it actually be like this when clicking on a .dmg file? Is there a problem with my MBP or my Mac OS X Lion?
Info:
MacBook Pro, Mac OS X (10.7.3)
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Dec 30, 2009
I am trying to create a new image from a DVD and burn it to a new DVD using the MAC Disk Utility "New Image" option. The source DVD is 4 G and my target folder is on my external HD which has 298G.. plenty of space. However, whenever I attempt to SAVE the existing DVD to my external HD, I am getting the error message that the file is too large. I have tried the parameter for "Image Format" of both 'Read Only' and 'DVD/CD Master' and neither of them work. My "Encryption" setting is 'None'.
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Dec 1, 2014
I recently ran a ‘verify’ scan in Disk Utility as a precaution after Word crashed. An ‘incorrect number of file links’ error message showed up, as well as a prompt to repair this using Disk Utility from the Recovery HD. However, when I do a scan from the Recovery HD version of Disk Utility, no error messages or repair prompts appear.
My questions… Is this something to be concerned about? How can it be fixed? Would it be best to do a clean install of OSX? I only lost a little bit of data so I was pretty lucky.
Info:
MacBook Pro with Retina display, OS X Yosemite (10.10.1), Disk Utility
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Jun 18, 2010
I've a 7.4 Gb bootable iso of MAC OS X Snow Leopard & I want to burn it on two different DVDs. how to break it or how to it on two 4.7Gb DVDs?
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