OS X :: Unable To Delete Partition / Edit Master Boot Record?
Oct 25, 2010
I am having problems. I want to delete a partition and create a new one, but I need to be able to click option in able to do this. For whatever reason, disk utility will not let me edit my external in any way without deleting the whole thing which I do not want to do.
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Mar 1, 2010
I want to delete a partition and create a new one, but I need to be able to click option in able to do this. For whatever reason, disk utility will not let me edit my external in any way without deleting the whole thing which I do not want to do.
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Mar 18, 2009
I am looking for a used Mac for my folks, and someone has posted an imac that they have converted to a PC, having change the master boot record. They say I have to take it to the apple store to get it changed back, but couldn't I just start it up in target disk mode, and reformat the internal drive use carbon copy cloner or something like that?
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Jan 30, 2010
Ok here's the situation. I'm trying to fix my brothers laptop at the moment and reinstall Leopard. He installed ubuntu and it seems to have deleted the Master Boot record. I've managed to get Leopard to install but the mouse clicker doesn't work. I've managed to narrow down the problem to the MBR, the master boot record.
In terminal I've typed in sudo fdisk -u /dev/rdisk0
This has come up with the error "master boot record not found". I'm now trying to find a way to put the Master boot record back.
Does anyone have any suggestions on how to do this?
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Aug 12, 2009
Ok here's the situation. I'm trying to fix my brothers laptop at the moment and reinstall Leopard. He installed ubuntu and it seems to have deleted the Master Boot record. I've managed to get Leopard to install but the mouse clicker doesn't work. I've managed to narrow down the problem to the MBR, the master boot record.
In terminal I've typed in sudo fdisk -u /dev/rdisk0 This has come up with the error "master boot record not found". I'm now trying to find a way to put the Master boot record back.
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Aug 28, 2009
I am looking for a used Mac for my folks, and someone has posted an imac that they have converted to a PC, having change the master boot record. They say I have to take it to the apple store to get it changed back, but couldn't I just start it up in target disk mode, and reformat the internal drive use carbon copy cloner or something like that?
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Jun 6, 2012
I've downloaded Lion and the first "complaint" the installation software has is that neither my Mac hard drive nor Time Machine drive uses the GUID partition scheme. The software instructs me to use Disk Utility to select the appropriate format but Disk Utility states that I can't re-size the partition because it uses the Master Boot Record scheme. Further, it tells me that the drive can't be erased because it's the start-up disk.
I have Snow Leopard 10.6.8 installed on my MacBook (Core 2 Duo, 4 GB). The Mac HD has 220GB available.I waited for Lion to be reasonably fault-free and carefully looked at Lion's requirements only to find out too late about this GUID scheme business. I haven't seen anything about this requirement until I tried to install. I have great fear of re-formatting the drive as that always seems to be the beginning of many problems that take months to resolve. Maybe the choices are to forget Lion or get a new drive and format it to GUID before restoring from my Time Machine
Info:MacBook, Mac OS X (10.6.8)
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Jun 2, 2010
I have been working on a project in iMovie for a few days, and it has been working perfectly. Today, I opened up my project and I could not play the project (the red line would move, but no picture would show up in the upper right hand corner box) and ALL of the options in the "share" tab were gray and unable to click them. Many options in the "edit" and "file" tabs were unable to be clicked as well.
Another project i completed months ago is working perfectly. The clips in the events play/show up on the window in the upper right hand corner
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Oct 3, 2009
I used Boot Camp to setup a partition for installing Windows. I no longer need the partition nor Windows. How can I delete that partition and make it useful for my laptop?
I'd like to have it as just one big hard drive rather than it showing up as 2 separate hard drives. I believe it's called extend the hard drive if I'm correct.
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Apr 20, 2009
I've been trying to run boot camp on my black Macbok and have been halted with a Boot camp error message: "The disk cannot be partitioned because some files cannot be moved." It then tells me to back up my disk and boot up from my Leopard DVD, and restore to a "journaled" volume. Now, I've checked, and my HDD is already journaled. I've run "verify disk" and everything seems to be working okay. I've read that sometimes having things related to Parallels on the computer can create this error, and so I've deleted all things Parallells and am still getting the same error. I do, however, have Fusion (though I've deleted that Windows partition.)
I'm hesitant to follow the directions further, for I have nothing to back my disk up to and my Leopard DVD has gone MIA.
Can anybody give me a hand?
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Nov 2, 2009
I have a MBP with 10.6.1 and I'm trying to set up Win 7 Home using Boot Camp 3.0
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Apr 11, 2010
i'm having trouble creating a partition for Windows using Boot Camp...
Steps I Have Taken:
1) Repaired Disk Permissions
2) Repaired Disk
3) Deleted huge files or moved them to an external drive (huge as in >6gb)
Is there anything for me to do? I've searched these forums and some other ones but really haven't found anything.
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Feb 21, 2009
I have a MacBook of 120 GB. I utilised Boot Camp utility to parition into 2 equal partitions to install Windows XP. I screwed up somewhere during the XP installation and it partitioned again while installation. The result: I lost my OS X. I re-installed OS X. In the finder I could see only the 60 GB partition. The rest 60 GB is missing.
I tried rebooting hoping it would prompt me to choose the partition but no uch thing happened. Now, I have and can see only 60 GB.
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Jun 5, 2014
I bought a MacBook that came with Mavericks installed. I want to install Lion on different partition. When I try to boot from the Lion install DVD a "no" symbol comes up, a circle with a slash through it.Â
What is preventing it from booting? Where is it stored? How do I get rid of it?Â
Info:
MacBook Pro, OS X Mavericks (10.9.3)
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Jun 29, 2009
I'm a total Windows newbie and I'm having trouble moving programs that I've installed onto Parallels 4.0 into my boot camp partition. Is this even possible?
If so what is the best way to go about quickly accessing programs from the Parallels virtual machine?
Could I burn them to a disk?
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Oct 25, 2007
I have a 1.8 duel G5, 3 gig of ram, and 2 internal hard drives, a 120 gig and an 80 gig. My question: does anyone know if it makes a difference (performance wise) which drive I boot from? The 80 was the original boot drive, but due to space problems, now I boot from the 120. I've run every diagnistic imaginable, including Diskwarrior. I have the identical machine at work, and that one just seems snappier. I maintain both machines the same, cocktail, MacJanitor etc. There is plenty of room on both drives. So the last thing I can think of is the master/slave thing.
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Mar 22, 2012
My G5 2.5 has sprung a leak and is now kaput (no parts, no one can service). What I's like to do is pull the drive with some legacy stuff I need (Quickbooks and years of business stuff) and boot a new mac mini or imac from this drive. I've given up waiting for a new desktop and they are priced out of this word.
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Aug 16, 2010
In OS X, when you go to System Preferences then Startup Disk, you can see a list of options for what OS you want to start. I am basically looking to edit that, except not on OS X. Is there any way to edit the EFI to make it boot another OS without having OS X installed in the first place? (Installing with an install CD for another OS without OS X on the system)
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Jan 9, 2009
I recently bought my mother a Macbook. It was a store display one but she had no problems with that. Anyways when we first boot it up I noticed that on the desktop there is a Time Machine disk. So I openMacintosh HD that there is only 17 gbs free out of 33 gb, so I check System Profiler to see if there is a smaller hd in there but the it says that the hd is 150 gb.
So I'm wondering how to delete the time machine partition and resize the Macintosh HD partition so I can give her the most space she can get.
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Jan 25, 2009
Is it possible without having to reformat my whole disk aka put osx back on there again?
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Jul 26, 2010
I have a MacBook with MacOS 10.5.5. I purchased Snow Leopard and want to install it, but I forgot my master password. I know what the password is supposed to be, but it doesn't work when I type it in.I cannot find my original MacOS 10.5 disk to re-do the password.
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Jun 3, 2014
As always I wanted to add a new project with incrementally new RAW files from my SD memory card. I have the photo management system the image master files (RAWS) are stored in Pictures folder on the HDD. The import dialogue enables to select a destination folder to Pictures as usual, but it doesn't show Move or Copy files option anymore. Without this, it just imports images as referenced images to the ones placed on the memory card, which I subsequently can't format, because, I'd lost all the photos. Move or Copy files option shows up when I pick other import source than memory card, eg. my HDD. I tried everything, can't figure this out. I find Aperture unreliable now and will move to Adobe Lightroom, if won't find a solution.
Info:
Mid-2009 Macbook Pro running Mavericks 10.9.3, Aperture 3.5.1
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Jun 8, 2012
I have no idea why but I can't delete or edit Address Book entries in Lion. It works fine on the web-based client and from my iPad 2 and iPhone 4 (CDMA). But my Address Book.app in Lion only can view them. I've tried turning off the Address Book function and re-adding it. I made sure all permissions are correct for the address book prefs etc are correct.
Info:MacBook Pro (17-inch Early 2009), Mac OS X (10.7.4)
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Nov 11, 2010
I recently purchased a used imac g4 from a friend but I cannot seem to get it started. I tried to log in with the master password but do not have the password or install disk for OSX. I asked my friend about it and he said the same thing, he lost the user and master password including install disk. I took the comp from his hands anyway, it's in new condition and he never really used it, just forgot about it I suppose. It also seems that on startup the mac searches for disks and servers, so it could of been a part of a network system???????
I would like to know if there is a way to get into the bios and reset the whole system without password prompts and all that. Which is the best way to do this?
I have the mac osx install disk from my ibook but I tried to boot the disk and it's not booting. I also have the install disk for os tiger and that's not booting either. There must be a super secure lock on the system.
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Feb 1, 2012
how can i edit and delete contacts in mail on my macbook pro?
Info:
MacBook Pro
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May 22, 2012
I am having a problem accessing any files on my desktop. I cannot delete, edit or move files there. I have rebooted and repaired permissions using disk utility. When trying to perform any task with files on the desktop, the icon freezes and gets 'stuck' to the mouse and prevents me from performing other tasks. It also prevents shut down (have to hard shut down with the power key).Current permissions for the Desktop folder are drwx
Info:
MacBook
Pro, Mac OS X (10.7.4)
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Nov 11, 2010
I recently made a clone of my Windows XP Pro SP3 installation (its roughly about 14GB according to Finder/WinClone) so i made a 80GB partition on my 320GB drive and it gives me this error message:
the WinClone came from a 500GB internal drive and ive gotten winclone images to restore to a MBP before but not sure why its giving me this error code, anyway to restore the image to the new partition (which was created with Bootcamp) as i no longer have access to the old machine it was running on.
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Mar 12, 2012
Why can't I edit or delete Address Book cards on my Macs, now that I've migrated to iCloud? I can edit/delete if I go to iCloud, but the changes don't sync with my Macs.Just wait for Apple to fix a bug?
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Apr 17, 2012
I have a BlackBerry Curve 9300 and have been trying to make use of the tethering option I just purchased through T-Mobile...Unfortunately, no one has been able to help me resolve my problem with all my phone calls to T-Mobile's call center as well as BlackBerry's. Before, somehow, I was able to enter information about my phone on Internet Connect (on my Mac OS X 10.4.11 by the way), but with having downloaded a pretty reliable set of instructions, I need to change the specific Bluetooth configuration and cannot.Â
Info:
MacBook, Mac OS X (10.4.11), 13" Mid-2007
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Apr 8, 2012
My mid 2010 iMac i7 will not boot past the apple logo? I'm running 10.7.3. I have tried restoring from TM backup from recovery mode (worked the last time this happened) however upon completion it returns to the recovery screen? I made a disk of Lion when I downloaded the first time (followed same instructions sourced from numerous websites) which does not seem to work when i set to start up from this disk, just gets to the grey screen and flicks between the apple logo, a folder icon with a question mark and the circle with line through? Now I can't eject the disk either, a message appears that system can't eject and to make sure all applications are closed? Not sure how to go about closing these applications without being able to start the system? When I tried booting from the Macintosh HD I got a message that the boot cache partition was faulty? I have ran disk permissions etc all ok. Â
Info:
iMac, Mac OS X (10.7.3)
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