How to install Mavericks on MBR partition (or make GUID)

I have a mid 2012 MacBook Pro running OSX Mountain Lion, and on a separate partition, I have bootcamp running Windows 8. I went to install Mavericks today, and I was greeted with an error message saying that I could not install Mavericks on my Macintosh HD partition (or any other partition) because they are all MBR partition map schemes instead of GUID.
I really don't want to delete either my Macintosh HD or my Windows partition in order to make my hard drive have a GUID scheme, and googling this issue, I've only found out how to do this by backing up my computer and resotring it, which again, I don't really want to do because I always end up losing data that I want to keep.
As a note, I am using rEFInd, and previously rEFIt, in order to boot my Windows partition easier since it makes a pseudo MBR (hybrid MBR/GUID). I think the problem may be that rEFInd made my disk "think" that it is an MBR partition in order to make Windows boot, when in reality, it's GUID. I have no clue how to fix this though. From what I know, I don't believe OSX will even run or install on an MBR partition, so why it says my Macintosh HD is an MBR partition, I have no clue.

Winclone 3 will clone the Windows partition.
I don't know why you think you need rEFInd or rEFId (not being updated), since Windows 7 and 8 are GUID aware and supported with bootcamp. Just hold the option/alt key down for Startup Manager, no third party EFI firmware program needed.
If you had a triple boot system with Linux or Windows XP, then I could understand why.
My advice is to clone both OS X and BootCamp Win 8 to external drives, uninstall the EFI software or preferably erase the entire drive, reset the NVRAM, reinstall OS X, then reverse clone OS X (while booted from the clone), then setup Bootcamp and then Winclone that back on.
Only by erasing the ENTIRE disk0 can the GUID be reset.

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I need to make my MacBook run Windows XP and since i don't have a lot of cash right now i'm not going to go buy Windows7.
I have 2 partitions on my Macbook currently. The drive was originally GUID, but i've sliced it in half with Disk Utility and the second half is now MBR.
I then booted from a Windows XP disc and formatted the MBR partition as NTFS and installed Windows.
Windows seems to work fine for me right now.... BUT I'M SCARED!
Window's XP is Not supposed to be able to understand GUID.
When i try and disable Windows "System Restore" from using the GUID-MacOSX partition, it says ERROR. Probably because it doesn't know what the heck is in that partition.
I would feel much safer if i could just Format the whole drive as MBR and then Make 1 partition for OSX and 1 partition for Windows.
Can OSX 10.6.7 be installed on an MBR partition?

Windows doesn't care about the rest of the drive, only it's own partition. It doesn't understand EFI, either. The Mac has to fool Windows into believing a BIOS exists.
What you have right now is fine.

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Hi,
I have just purchased a new Samsung 840 EVO 250GB SSD, I want to replace my existing HDD with the new SSD and install Mavericks straight onto it. I do not need to keep any files from my existing HDD, I just want to clean install Mavericks, how do I go about this?

Has_Ozi wrote:
Do I need to erase the SSD first?
Yes, you will need to initialize the SSD.
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Download and run the OS X Recovery Disk Assistant. You will need a 4GB USB thumb drive. This will ceate the Recovery HD currently on your Mac to the thumb drive. I'll assume you currently have OS X Mavericks installed.
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I have an imac and i'm using bootcamp fro windows 8. so I have Macintosh HD and BOOTCAMP Partitions. both partition have Master Boot Record as the Partition Scheme. When trying to install OS X Mavericks it rell me that "This disk doesn't use the GUID Partition Table scheme. ..." it tells me to use Disk Utility to select the disk ->partition -> select Volume Scheme and then Options... but option is grayed out... I can not change it and so can not install Mavericks... how do I solve the this issue without losing any data in mac and in windows? without deleting partitions if possible?
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GUID is a drive map layout. You can only change it by opening Disk Utility, highlighting the physical drive and choosing the Partition tab. Then change the partition layout to anything other than Current. The Options button below that will then be active and you can then finally change the drive map from whatever it is now to GUID.
Note that since you must repartition the drive, you WILL lose everything on all partitions. So you MUST back up everything FIRST to another drive. This can be a clone to another physical drive, internal or external. When you clone it back after repartitioning, the drive map does not change.
To check your current drive layout, open Disk Utility and click on the physical drive you want to install Mavericks on. Example:
Then look at the lower right of Disk Utility's box. If you see anything other than GUID Partition Table, as shown below, then you must repartition the drive.
The other main problem is that you have to have another drive to boot to before you can change the one that needs to be repartitioned. Clone your current drive to another physical drive, not another partition on the same drive. Once the clone is complete, boot to that drive and you'll be able to repartition the drive you need to change.

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I am looking for some advice / help.
I have a Mac mini Early 2009,
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http://support.apple.com/kb/ht5911
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StevenAR wrote:
Hi Király,
I can't find a copy of the Yosemite SLA on the Apple site using Search functions in the Support section of that site. I tried all sorts of things including just a general "Software Licensing Agreement". Got a list of sorts, not including Yosemite. Do you have a URL?
It's here: OS X (Yosemite)
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There are no licensing restrictions against having different versions of OS X on external bootable drives. That's fine. It's running OS X in VMs that is restricted. "The Apple Software" as defined by the Mavericks license, can be run in a VM, as long as the Mac computer that is running it is "already running the Apple software."
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But that's not what it says, of course.

This disk cannot be used to startup this computer message when I try to install mavericks. Cant partition my SSD (which is verified) either - help!

Hi all
I am using Snow Leopard and have just downloaded Mavericks. I have a 250 gig SSD with no partitions. When trying to install I get a message saying 'this disk cannot be used to startup this computer" and disk utility has checked my drive and its fine, but I cant partition it either saying 'the partition cannot be resized Try reducing the amount of change in the size of the partition". I have tried various sizes but nothing works. Please help!

Well, I'm puzzled by the fact that you have your 750 GB disk highlighted, yet on the right it is showing disk0s2 as having 750 GB with nothing on it although your Macintosh HD appears to be part of that disk0s2. I have no idea what disk0s1, 5, and 6 are or what they contain, but the only thing accessible seems to be your Macintosh HD - does that contain your OS? For comparison, here is a screenshot of mine (2 partitions on my internal hard drive):
The area shaded in blue is the space my OS/apps/etc. occupies.
Unless there is a viable explanation of your disk(s), my suggestion would be to boot into recovery, erase your drive, partition properly, and then reinstall from scratch. Make sure you have a backup first.

I erased my main drive: how to install Mavericks?

I was running Yosemite Beta on my iMac, but it was acting funny. A dialog told me to back it up and erase and reinstall. I copied the internal drive to a FireWire drive as a clone. Then I booted from the firewire drive. Then I did something very stupid. I erased my main drive, my internal Macintosh HD. I thought I would be able to reinstall the Yosemite beta on my main drive after I booted But now I can't boot up all the way from either of my FireWire drives, which have the proper software on them; they were cloned from the original drive, and worked until I erased the main drive. The boot up process stops about a minute into the process. So how do I get a copy of at least Lion or Mountain Lion or Mavericks on to the main drive? I'm stuck. I don't know how to do that.

Oh, they're clones. Made them with SuperDuper. They boot, but they stopped after I erased the Macintosh HD.
I've found a way to make them boot again, however. I tried safe boot, single user, netboot -- no deal. I found a cd copy I made of Lion, way back, and tried to see if it would mount -- of course it didn't -- but I just tried one more time, went to make coffee, and returned to my first computer screen in two days. It's still kind of working. I wonder if the ROM in my 24", 2.66 Ghz, iMac 9,1, just can't accept a bare drive on the internal bus. Or, it seems that there is something wrong with the drive. I get this message in the Crash log every minute or so.
Oct 15 15:11:35 James-Hassingers-iMac-3.local coreduetd[45]: CoreData: error: (11) Fatal error. The database at /var/db/CoreDuet/coreduetd.db is corrupted. SQLite error code:11, 'database disk image is malformed'
Oct 15 15:11:35 James-Hassingers-iMac-3.local coreduetd[45]: Core Data: error: -executeRequest: encountered exception = Fatal error. The database at /var/db/CoreDuet/coreduetd.db is corrupted. SQLite error code:11, 'database disk image is malformed' with userInfo = {
NSFilePath = "/var/db/CoreDuet/coreduetd.db";
NSSQLiteErrorDomain = 11;
Doesn't sound very good. I'm wondering if I've just gotten a lot of bad sectors. But I'd love to just do an iFixit on it, put in a new 1 TB drive -- I'm not bad with these projects -- and then go from there.

How to install mavericks from scratch

Hi
I have just upgraded my imac with an OWC Mercury 120 Gb SSD and increased ram up to 12 Gb.
The upgrade was made by a service where I sent the mac with OSX Maverics and a few apps previously installed. Everything runs fine (no more tha 3 secs to start PS Elements) and I started to reinstall apps from my time machine hd, but later noticed that the Applications folder exists both in the SSD and Macintosh HD wich makes me think that osx resides in Macintosh HD. Now, as my iMac is middle 201, it seems I have to start the install from DVD Snow Leopard and not Maverics directly. Before the upgrade I tried as an exercise to install Maverics from an USB stick as suggested in a forum, but when the progress timer said 1 second left, no further progress and had to reinstall SL, then Lion and later Mavericks, quite a long procedure if there is not a shorter way.
Thanks

You would have to install Snow Leopard (10.6) first. You can get SL for $20 from the Apple Store here: http://store.apple.com/us/product/MC573Z/A/mac-os-x-106-snow-leopard..
Then Mavericks (or Yosemite, which is supposed to come out in a few days) would be a free download from the App Store.

How to install Mavericks on MBR partition (or make GUID)

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