Struggling with a .dmg file

Hello everyone,
Here's the deal. I have a friend who owns a Dell Mini 10v, with Dell's Ubuntu Remix on it as the OS. Now I had to do some work on it, so what I did was I hooked up the hard drive from the Mini 10 to my Macbook Pro, using a usb adapter.
From there, I made a disk image of the WHOLE DRIVE (very important), by selecting the drive and doing a new image. I even made two backups, one using the compressed and one using the read-only options. The read only one was exactly the size of the drive I imaged (8GB SSD). Now I want to either restore that image to the drive or be able to mount it to recover files.
BUT, If I try to restore with Disk Utility, I can't restore the whole drive, only one partition. And if I try to restore to a partition , it complains about reading the source. If I try to mount it, it says there are no mountable file systems (Due to the Linux ext2 file systems.) It can see there are 3 file systems inside, just not mountable.
Even doing a dd command from the terminal from the 8GB .dmg (which I assume to be a bit for bit copy of the original disk) doesn't work, the drive doesn't boot, and hangs displaying "MBR XNA" or something like that.
So basically my question is how can I get at the files on one of these images? It seems like I'm stonewalled no matter which way I go...

Either the file itself is corrupted or you got a bad download. Try it again. If it's a large file and you're on dial up expect problems like this. Telephone connections are not very reliable for very long downloads.
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Similar Messages

Grey Screen, won't boot from usb. Only have a PC to create a boot USB. How can I reinstall OSX with a .dmg file?

I recently recieved a macbook that I was told was broken. She didn't know what was wrong with it, but she told me I could keep it if I wanted to get it working again. Its http://support.apple.com/kb/sp579 this model. I got the laptop to power on, but the apple logo and the spinning wheel under it kept spinning forever. So with me and my "Amazing" knowledge of Macs, I thought it would be best to reformat the drive on my PC via sata cable to FAT32 (which I was told is a format that mac devices can read/write on) and install OSX from usb. So I have a .dmg file and used TransMac to format the usb and make the usb drive bootable with the .dmg.
I formatted the drive to FAT32 and plugged it into my macbook and I get a folder and a question mark blinking on the screen. After looking at some forums online, I found that the error occurs when you don't have the correct filesystem to boot or something along those lines. So I try rebooting the computer while holding C, to boot from an external device (such as USB). Nothing. Again the folder and question mark blink on the screen. I look at some other boot option keys and try all of them. Shift for recovery mode, D for apple hardware test, Control, option, P, and R for resetting NVRAM and PRAM. Everything! The only things that differ slightly are when I press Option for startup manager, N for NetBoot and Option+N for internet default boot image. When I press N and Option+N, I get a blinking globe for about 5-10 seconds and then the folder and ? blink again. When I hold Option for the startup manager, I get a white screen and my curser, which I can move around the screen, but there is nothing to click on, its just white.
Currently I have a USB flash drive plugged into the macbook with a .dmg OSX installer on it via TransMac and for some reason, my macbook doesn't want to try to load it. Either I have the wrong file format for the installer, or my macbook is having problems. I read that the hard drive may be the problem, except I can use it on my PC so I know that it works fine.
If anyone has any information about how to fix this, or any ideas. Please let me know! I would very much like to get this macbook going again.

The correct format for Mac OS X is not FAT-32.
As the computer shipped with an install-restore disc DVD set that could be used to start the computer as an emergency disc and use the Utilities on the Installer, without running the Installer itself, to format, attempt repair, and perform a few different system installs or reinstalls, this is where the correct format would come from.
Was there documentation to confirm the build year and model information, such as to refer you to the product page link you posted above?
If accurate, that MacBook shipped with this custom grey
install-restore DVD version of Snow Leopard:
Original OS
Mac OS X 10.6.1 (10A2047)
Maximum OS
Latest release of OS X
AirDrop
Supported
Hardware Test
AHT 3A181
And to be able to restore the basic OS X to that level, official replacement discs for that computer should be ordered from AppleCare; to facilitiate obtaining correct ones, you should find the product serial number. There likely would be a fee involved. The replacement disc set may have a different number than the one in the information box above, but would match the hardware series by Apple standards. And a replacement disc may not have the original extra applications that shipped with the computer when new. Those original discs are part of the retail computer, an essential part number, like the power adapter, and should be included with the computer even after an OS X upgrade, since they allow basic access without using the internet.
The remainder of the Snow Leopard 10.6(.8) would be a download Software Update Combo v 10.6.8, either direct from Apple servers or through the computer's running Software Update. Once the computer is up to date in Snow Leopard, 10.6.8, then one could visit the Mac App Store, App Store, and iTunes Store; from the Mac App Store, and you could check/get the latest upgrade to Mac OS X, 10.9.2. An Apple ID is required to access.
The computer may not support Mavericks 10.9.2, or may be able to, but could use an upgrade of RAM capacity.
If your model and build year series info is correct:
Maximum Memory
8.0 GB (Actual) 4.0 GB (Apple)
Memory Slots
2 - 204-pin PC3-8500 (1066MHz) DDR3 SO-DIMM
For more information see the database download http://mactracker.ca
and also compare specs with macbook models at everymac.com.
The newer OS X systems that can use a Recovery HD partition on the hard disk drive, can start from there to repair their hard disk drive, and reformat the section where the Mac OS X runs, and reinstall that. Since there is no likelihood of that still being on the drive once it was FAT-32 reformatted, it will not be present to assist in attempts to reformat the drive; if the computer had been upgraded past Snow Leopard 10.6, to a later system that would have used the recovery partition, or the later internet recovery system. That goes to Apple Servers to use OS X Utilities and reinstall the system, helpful for computers without optical drives or system media. Your MacBook with 10.6.8 installed, then had to access the Mac App Store, to get 10.7.5, 10.8.5, or 10.9.x
Identify your Mac lookup by model number or serial number:
https://www.powerbookmedic.com/identify-mac-serial.php
Anyway, the hardware in the computer may need some inspection, troubleshooting, and maybe repair; but the original DVD install-restore disc has an Apple Hardware Test on it, for that series build model macbook. That could help in troubleshooting some aspects of the computer. Could be the hard disk drive failed; or if someone tried to upgrade the RAM, the system may not have worked correctly. Hard to say how it was messed up, at this stage. There are several possible causes.
Hopefully you can get the correct disc set from AppleCare.
You can call Support number, or use Contact Support page.
Good luck & happy computing!

How do i install Mac OS with a .dmg file on my mac pro?

As title, Thank you for your help!

If Nero doesn't support dmg, don't worry, afaik you can just rename a dmg as a iso (change extension).
What computer do you have at your disposal? Which system do you want to install?
There are tutos on the net on how "burning" an image on a flashdrive without nero, and making it bootable.
Anyway, when starting your mac, holding ALT key will allow you to choose from any available system.

The dmg files have downloaded to the wrong folder - not finished with the install process

The dmg files have downloaded to the wrong folder - I am at the part of the download/install process where the "Welcome" screen appears asking for me to agree to the license agreement. Somewhere on your site, I read that they should NOT go to the applications folder but to the "Users" folder. Can/should I move/drag the folder with the dmg files into the "Users" folder"? If so, before or after I complete the install? I am running MAC OSX 10.7.4 on a MAC Mini.
Also, when the trial period is over, I will use the license number for the purchased software disks, should the dmg's/folders then be moved to the application folder or stay in the "users" section? I have Purvhased Adobe Photoshop Elements 10 and Adobe Premiere Elements 10, but somewhere on your site it was suggested to download them instead and use the license code at the appropiate time. If someone can help with these questions, I would appreciate it. Thank you

Hi,
In the Welcome screen, you can accept the license agreement and can go ahead with the installation. You will be asked for the serial number. If you don't have one, install it as a trial application. By default, it's installed in the Applications folder. However, you can change the installation folder in the third screen, if you have a reason. Please see the screenshot below:
After installing, you can't move application to a different directory by dragging. You need to uninstall and install it again in the folder of your choice.
Thanks,
Sunil

Problems with *dmg files

hi...
i can't install programs... i've changed once a *dmg extension... and now i just can't open to install aplications.
can anyone tell me what aplication opens a *dmg file or how i can i do to fix my problem...
thanks

enlarge on what you say about your problem please: are these files actually .DMG Disk image files ? If they are not, then, as our friend says you are doing the wrong thing: what are they? where did they come from ? how big are they ? etc...
OR do you mean you simply changed 'open with' once time with a DMG file.
best

How to use a .dmg file in Arch Linux

I have a file a friend gave me from his Mac computer with a .dmg file name. I haven't been able to pinpoint exactly how to use this type of file... I believe its an Apple raw disk image or something like that.. sort of like an iso. I need to use this file in order to start an application and download it onto Arch Linux. The problem is that I can't figure out how to use it on Arch Linux and burn it onto a Cd. Has anyone had experience with this sort of thing? I am completely lost.

$ poweriso convert ~/Downloads/lang.rar/Rosetta_Stone_3.4.5.dmg -o ~/Downloads/lang.rar/rose.iso -o t
PowerISO Copyright(C) 2004-2008 PowerISO Computing, Inc
Type poweriso -? for help
/home/user/Downloads/lang.rar/Rosetta_Stone_3.4.5.dmg: The file format is invalid or unsupported.
$
$ poweriso -?
PowerISO Copyright(C) 2004-2008 PowerISO Computing, Inc
Type poweriso -? for help
Usage: poweriso <command> [parameters] [-switches]
<Commands>
list <image file> <directory> List files and directories in image file.
Example: List all files and directories in root direcory of /home/sam/test.iso .
Command: poweriso list /home/sam/test.iso / -r
extract <image file> <dir/file name> Extract files/directories from image file.
Example: Extract all files and directories in root direcory of /home/sam/test.iso
to /home/sam/test recursively.
Command: poweriso extract /home/sam/test.iso / -od /home/sam/test
convert <image file> Convert image file to other format.
Example: Convert /home/sam/test.daa to standard iso file
Command: poweriso convert /home/sam/test.daa -o /home/sam/test.iso -ot iso
<Switches>
-r List or extract recursively.
-o Specify output image file name.
-od Specify output folder.
-ot <iso|daa|bin> Specify output image file type. If not specified,
the image type will be determined by file name suffix.
-volsize <n> Split output image file to multiple volumes, and set volume
size to <n>. Example: -volsize 100M
-setpassword <password> Set password for output image file.
Example: -setpassword 12345678
$
I tried to convert the file .dmg to an .iso so that I can easily burn that onto a disk and get the ball rolling.. am I missing something here?

URGENT: Safari appends BZ2 to most downloaded DMG files!

I've been downloading a number of DMGs from different websites, and Safari (or perhaps, my unzipping program The Unarchiver) has been adding .BZ2 to the end of them - making them virtually. unopenable.
I was terrified there was something wrong with my system, getting error messages that I can't mount the DMG files unarchived from the BZ2 files. I even made a thread for it here: http://discussions.apple.com/thread.jspa?threadID=1525572&tstart=0
This needs to be dealt with!
It's similar to the problem with Microsoft Office 2008 documents (.DOC) getting a .DOT on the end of them. See thread here: http://discussions.apple.com/thread.jspa?threadID=1524645&tstart=0
Hope you can help.
Once again, an Automator script for removing the BZ2 shouldn't be a solution.

Spotlight won't find the Archive Utility (you can find it in a Finder search window, but only if you tell it to include system files). It should have been installed in /System/Library/CoreServices (along with DiskImageMounter).
It does sound as if your file associations are screwed up. Did you say that the "Open With" for .dmg files was showing "DiskImageMounter"?
You could try doing this, which resets the associations for all applications:
In a terminal window, type:
/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.fram ework/Versions/Current/Support/lsregister -kill -seed
You may get a bunch of warnings after that about opening apps for the first time.

Downloaded DMG files don't open.

I have had some trouble lately when downloading DMG files with Safari. In the URL bar I could see it was downloading and then downloaded however nothing happend. Changed to open with DiskUtility didn't do anything. Firewall had no influence. When downloaded with Firefox there was NO problem and everything went fine like it use to do with Safari. So I suspect it is a bug in Safari since this happens with all DMG files of late.

Yes I first looked in my 'Downloads' folder and none to be found. Other download files like mp3 and pdf's no problem, they open straight away and show a little download arrow icon top left in the browser. It's really just DMG files, very peculiar.

I am having trouble with replacing my old Firefox version 3.6.3 with the new 9.0 version on my Macbook. I have it downloaded as a dmg file, but I keep getting a message that the opertion cannot be completed because the item Firefox is in use...HELP!

After having the issue with my photos being blocked on Facebook, I was told I needed to upgrade to the newest version of Firefox and that the version I am currently using (3.6.3) is no longer supported with security updates. I have tried to follow the steps in the upgrade process through Firefox itself, but have been unable to do it...I would love step by step instructions to walk me through it as I don't know what I am doing wrong.'''bold text'''

If there are problems with updating or with the permissions then easiest is to download the full version and trash the currently installed version to do a clean install of the new version.
Download a new copy of the Firefox program and save the disk image (dmg) file to the desktop
*Firefox 9.0.x: http://www.mozilla.org/en-US/firefox/all.html
*Trash the current Firefox application to do a clean (re-)install
*Install the new version that you have downloaded
Your profile data is stored elsewhere in the Firefox Profile Folder, so you won't lose your bookmarks and other personal data if you uninstall and (re)install Firefox.
*http://kb.mozillazine.org/Profile_folder_-_Firefox

I downloaded an update for my Safari web browser to "snow leopard". When I click on the .dmg file, a window opens up with a .pkg file but when I click on the .pkg file I get a prompt saying that it doesn't know what program to open it with. with a

I downloaded an update for my Safari web browser to "snow leopard". When I click on the .dmg file, a window opens up with a .pkg file but when I click on the .pkg file I get a prompt saying that it doesn't know what program to open it with.

I suspect if you're trying to open a file in 08 that's been opened in 09 the file has been updated to 09 and will not open in 08.

When trying to update, the .dmg file for mac indicates "Coruppt Image". I'm running FF 1.0.1 on a mac with 10.3.9.

Trying to update to a newer version of FF, not the lastest version. I'm using a Mac with 10.3.9. When opening up the .dmg file the error is "the followinmg disk images failed to mount" Reason - "corrupt image". Need to update because I can't get to my e-mail with this browser.
Thanks in advance
Randy

Firefox 3.0 and 3.5/6 versions require at least Mac OS X 10.4
* http://www.mozilla.com/en-US/firefox/system-requirements.html - Mozilla Firefox 3.6 System Requirements
Firefox 2.0.0.20 is the last release that runs on Mac OS X 10.2 and 10.3<br />
Mac: https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/2.0.0.20/mac/en-US/
See also:
* http://kb.mozillazine.org/Installing_Firefox
* http://kb.mozillazine.org/Unsupported_operating_systems

IMovie 9.0.7 will not complete the update either with the download dmg file from the apple site or from the OS software update. I would appreciate some advice.

When installing the new update 9.0.7 to iMovie either via a dmg file or from the software updater the install will not complete the installation. The indicator bar just stays in the same place with the note install time remaining about a minute. I have let it set for hours and nothing happens. Does anybody have any advice?

Try this.
After signing into the Mac App Store (MAS) with your iTunes Apple ID, look at the Purchased page. You should see the three bundled iLife apps listed with Accept buttons. After you have accepted them and Apple has verified that they came on a new Mac and assigned them to your Apple ID and iTunes/MAS account, you should be able to update them.

What to do with .dmg files after downloading

I am somewhat new to OS X (however not new to Mac), so this may seem like a dumb question...
After I download an application, plug-in whatever, I have a .dmg file and another icon that looks like a hard drive on my desktop. I know that these are the installer files, but what do I do with them after I install something?
I have been "ejecting" the one that looks like a hard drive, and the other with the .dmg extention I've put in the trash. I put the applications I downloaded and other misc. like the "read me" files together in a folder in the Applications part of the finder.
Is this right? I feel so silly for asking...
Thank You,
akhock
iMac Intel Mac OS X (10.4.7)

Hi
You're doing it right, however: Depending on the application I find it unnecessary to put non-essential files in the Application folder. It is often enough just to put the actual app in the Apps folder. If you archive the .dmg file in a downloads/installers folder in your Home folder, as I do, then you can always access the other misc. files again if ever necessary. It's neater that way, and when the latter folder becomes large I just burn it to disc, file it away somewhere and empty the folder to clear space.
Matthew Whiting

Problems with downloading dmg.gz files with Firefox

I've noticed some problems where Firefox has problems trying to download dmg.gz files, and it will spit out a bunch of garbled "code" to the screen instead of downloading the file. I tried the same file, just as a dmg file, and Firefox downloaded it just fine. Any ideas on what is going wrong here? Is this some limitation with Firefox and not understanding dmg.gz files, or is the disk image not being created and compressed properly, or is this a matter on the server that would have to be fixed?
I haven't noticed this problem of trying to download dmg.gz files with other browsers like Safari or OmniWeb.

I don't know where the filename->filetype mapping is in Firefox, but I do know that the popup menu on links includes a "Save link as..." item. So command-click or hold down the mouse button for a while or right-click on one of the links that causes problems and select that item. That will give you a standard "save as" dialog box and you can save the file. This trick works for any link and any filetype.

Cannot install a .dmg file. It is associated with the wrong file

Cannot install a .dmg file. It is associated with the wrong file and I don't know which is the right file.
Can anyone help?

That is a Disk Utility image. You can find Disk Utility in the Utilities folder inside the Applications folder on your hard drive.

Struggling with a .dmg file

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