MacBook Pro ::osx 10.6 Partition Is Giving Errors / GUID Partition Table
Apr 4, 2010
Have a macbook pr 17 with bootcamp.
the osx 10.6 partition is giving errors (the black and white multi language message that tells you to hold down the power button..)
have done a permissions repair, run techtool from a boot disc, all have failed to repair.
next step is for me to reintall snow leopard, and as i have no dual layer disks or usb keys i intend to install from external usb drive using the instructions here:
http://osxdaily.com/2009/09/02/insta...t-a-dvd-drive/
But how do i format the drive from within windows as boot recognisable from mac?
i have partition magic and cannot see ny option for osx extended or �GUID Partition Table?
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Aug 29, 2009
So much for upgrading... Does anyone have a fix for not having a GUID partition table scheme? I was hoping I wouldn't have clean install, I just got everything how I wanted it. *sigh*
Something tells me there's no way around this.
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Nov 17, 2010
I'm having problems installing OS 10.6 on my iMac. I had to replace my hard drive with a new 1TB drive and in trying to install the OS I get a message saying I need to use Disk Utility to repartition the hard drive using GUID Partition Table but I don't see any such option in the Disk Utility menu!
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Mar 13, 2010
OK, the title pretty much says it.
I just popped a 256GB Samsung SSD into my (old) PowerBook Pro1,1 2.16Mhz machine.
I used the disk utility to properly partition the drive (1 partition) and set the Scheme to GUID Partition Table successfully. Verified the drive and the disk utility seems to like it.
I restarted with the install DVD (10.5.7 from a "13-inch Mac OSX Install Disk" - 9J3050) and it still gives me the old, "You cannot install Mac OS X on this volume"
So... the OS is newer than the one that shipped with the machine, and the partition table is correct... what gives?
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Feb 27, 2012
I've been going on two weeks now without my 13-inch mid-2009 mbp...i installed the 10.7.3. lion update but after it was completed i powered down my laptop and started it up only to find a blinking folder with a question mark...the logic board was replaced in mid-2010...i'm able to boot of an external drive running lion 10.7.3...i replaced the wd hdd with a new one & now it doesn't recognize it in disk utilities...i've replaced the ram with new ram & changed the hdd cable...i took it to apple & they said it should be either the cable or the hdd...i tested the hdd in another enclosure & it's running fine..
Info:
MacBook Pro (13-inch Mid 2009), Mac OS X (10.7.3)
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Aug 29, 2009
I can't install Snow Leopard because my hard drive doesn't have a Guid partition scheme. how do i reformat my drive without losing all my info.
P.s. I'm backing up my hard drive now to and external drive with carbon copy cloner.
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May 29, 2009
I'm a bit unsure as to the best way to tackle this. I have a single partition on my Leopard install with that partition map scheme being a "Master Boot Record" as apposed to a GUID Partition Table (GPT). Not sure why it is not a GPT but I appear to have formatted it incorrectly when I installed it (as a replacement drive / upgrade of the original). In any case, I now need to change this partition system back to a GPT so that it will allow me to run firmware updates as EFI upgrades are dependent on a GPT partition.
My question is more or less what is the best way to accomplish this given it's going to require a reformatting of all my data in any case. I have it all backed up to a Time Machine backup on a Time Capsule but to reformat the drive would then mean I have to re-install the Tiger install, followed by the Leopard upgrade disks, followed finally by the restore from Time Machine.
Is there an easier way to clone the data perhaps, such as with a Carbon Copy Cloner disk to disk clone? Or would that "restore" then merely include the actual partition format back to Master Boot Record as part of the clone? (I suspect the clone includes the partition type). Any advice would be greatly appreciated! Are there any other options?
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Aug 12, 2009
recently i gave first ubuntu and then windows 7 a shot on my macbook. i partitioned the drive using bootcamp, then repartitioned the non-OSX-part with the ubuntu and windows installer. At the moment windows and OSX ar on my macbook, both are bootable and work, though the partition table in OSX' diskutil seems messed up. It shows that there is still a linux swap partition left. The windows NTFS partition is mounted on bootup but shows random (not human readable) folders in finder. Windows in contrast shows the partitions as they should be (and probably are, considering everything is working). How can i fix the partition table seen by OSX? How can it be that windows and OSX dont show the same partitions?
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Jan 7, 2011
After getting Windows to reorganize my 2TB HFS+ partitions, I decided to create a small 300 GB partition on one of the volumes and format as NTFS for use in Boot Camp. I did this with iPartition (which was very easy), and when I booted into Win7 - all my HFS+ partitions, and the new NTFS partition were visible to Win7. I was a happy camper. After playing around in in windows for a while, I booted back into OS X, and much to my horror, all the HFS+ partitions on that drive, *except* for the new NTFS one, were not there! iPartition just shows a 300 GB contiguous space called Windows Work. In fact, my 2TB drive is now a 300 GB NTFS drive with a little free space. The rest of the 2TB's are gone....in OS X that is. I really need to get this data back so I can use it in OS X, so could anybody please tell me what I did wrong and how to get this volume's partitioning back to the way it was.
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Aug 31, 2009
I think at one point (probably when I switched from my 80GB to my 500GB drive) I screwed up and made the partition format on my drive Apple Partition Format. As I was just doing disk cloning, Leopard had no problem with this, and never mentioned anything being wrong (if it did I could have fixed it back then). However now, when I try to upgrade to Snow Leopard, it complains about this, telling me I can't upgrade and my only real option is to back up my data and fresh install. Problem being, I don't have a 500GB drive laying around, and I don't have the money to buy a 500GB drive to use once to back up all my data. It pisses me off to no end that Leopard didn't complain about this when I first did it if it was going to be a problem in the future (back when I could have fixed it) and only now it's become a problem. I guess my question is, is there any way I can get by this problem and install Snow Leopard? Or am I gonna have to wait till my friend needs to wipe his PC again and borrow his HD for a night?
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Sep 12, 2009
I've always just read them, but I need specific help this time! I have a 1st generation 13" white macbook with 2gb of ram and a 2ghz processor. I upgraded my internal hard drive to a 500 gb hard drive, and when I did that - for some reason, the default partitioning table was an apple partition. Now that I'm trying to install Snow Leopard, it says I need a guid partitioning table. I've cloned everything to an external drive, and I'm ready to reformat the partition table of my internal hdd to guid, but disk utility can't unmount the disk.
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Mar 25, 2009
I did the Bootcamp thing, partitioned the drive and installed Vista. Everything went well and Vista works just fine. But everytime I boot into windows, I get partition errors before it boots.
For example it says:
"Warning: Unrecognized partition table for Drive 80. Please rebuild it using a Microsoft-compatible FDISK tool (err=4)"
It will come up 3 times, and then boot into Vista. Both OSX and Vista are working fine, but something is definately wrong though since I am getting this error.
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Jun 5, 2009
I'm running 10.5.7 on my MacBook Air and while browsing the Console System Messages I came across the following lines which seem odd.
I have tried to understand what is going on and validated all my fonts using FontBook with no errors. I have not installed any fonts apart from those that come with the system and iWork 09.
I presume that these messages should not happen as they are errors and must be the result of something being wrong.
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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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Jan 12, 2010
First some background info. I recently purchased a 1TB hard drive for my 13" MBP, and I am about to do a clean install of OSX 10.6 and Win7 64bit on separate partitions.
And I want to setup the partitions before I install using Disk Utility. The reason for this is because I'm under the assumption that when creating a NTFS partition its better for the disk to be blank so it can put the MFT(Master file table) and MFT Mirror wherever it wants instead of some random spot on the disk (that way disk writes will be faster). The MFT thing was true when converting a FAT32 disk to NTFS. Nativity formatted NTFS disks were always faster then ones converted from FAT32, because the MFT was spread out instead of at the start of the disk.
I'm worried that installing OSX and then using the bootcamp utility will cause the MFT on my NTFS partition to end up in a un-optimal place and disk Reads/Writes will be slower.
Ok, so here's my questions.
1.) Should I be using a GUID Partition Table or Master Boot Record(Remember OSX 10.6 and Win7)?
2.) Should I use Disk Utility to Create a the OSX partition and then leave the second partition as Free Space? / Or should I use a third party utility and make the OSX partition and the NTFS partition at the same time?
3.) If I do create the partitions Manualy, will bootcamp still work correctly?
4.) Should I Use Journaled or Case-Sensitive Journaled on my OSX partition?
I know all of the questions were stupid, but there isn't any info on the web about it.
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Aug 31, 2010
So my iMac came with a 1TB hard drive and I installed Windows 7 x64 but only gave it some 93GB. I have a two-prong question:
Can I add a third partition to my drive after I partition for BootCamp? My main partition ("Macintosh HD" by default) is over 900GB large and I'd really like to cut that up into 2x450GB, for example, in addition to the 93GB BootCamp partition.
Second, once partitioned, is it possible to resize the BootCamp partition to make it bigger after it has been set up?
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Sep 7, 2010
Got my first MacBook Pro about 2 months ago and I have been enjoying it to full effect, installing programs such as logic studio and photoshop cs5 on it. Recently, however, I decided that I would like to access some of my windows based programs when I am on the road and don't have my desktop pc with me. So I bought a fresh copy of 32-bit Windows 7 Ultimate and sat at my macbook, put the disc in and then loaded up Boot Camp. I went through the menu options, decided that I wanted a 50GB partition, leaving my Mac OS drive at 182 GB with 83GB to spare. However, when I started partitioning, after about a minute it stopped and this error message appeared: "The startup disk cannot be partitioned or restored to a single partition. The startup disk must be formatted as a single Mac OS Extended (Journaled) volume or already partitioned by Boot Camp Assistant for installing Windows.".
I tried cleaning all my temporary files and deleting some files in my downloads that were quite large and I restarted my machine. The problem persisted. Is there a solution to this problem that does not involve doing all this rubbish with a fresh install of Mac OS? I don't have any method of backup apart from a couple of 4GB flash drives..
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Dec 21, 2010
Partition failed with the error:
Could not modify partition map because filesystem verification failed
^ My windows bootcamp messed up so I deleted it and tried to install a new one but I get this message. Does this mean that there is something wrong with the hard drive?
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Dec 31, 2010
I have just recently deleted my Bootcamp partition in Disk Utilities, and now im trying to increase the partition size of my Macintosh HD drive. When i go to the partition map and try to increase the size. The same error always appears. "Could not modify partition map because filesystem verification failed" I have attached an Image of what my partition map looks like right now.
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Feb 10, 2009
I recently installed MacDrive on my Windows Vista X64 partition so that I could access my iTunes Library on my Mac partition. After installing iTunes on my Windows partition and pressing shift while it opened, iTunes asked me for an iTunes library file ending with the extension ".itl". Now, I do not have any files ending with this extension in my iTunes folder on my Mac partition. Is there anything I can do to make iTunes on Windows to read my music library on my Mac partition?
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Jul 23, 2009
I am dual booting XP Pro and OS X on my NC10. I have XP Pro installed on the main partition with a FAT32 partition for files that can be read by both OSes (see attached image for two views of the partitions). I then installed OS X on an extended partition. Unfortunately, I had another 5GB partition also on that extended partition. I now want to delete the spare 5GB partition and non-destructively reallocate the space for the OS X partition - I want to expand it to be one big partition with my bootable OS X install still on it. Unfortunately, I can't find any way to do this in Partition Magic. Is it possible with GParted/BootItNG/iPartition or any similar software? If so, which and how? The NC10 has no CD drive so solutions that work from OS X or XP or a bootable USB stick would be preferred.
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Sep 30, 2009
could not modify partition map because filesystem verification failed" I am trying to partition my hard drive to set up an XP system on it (I know, but it is for AutoCAD, sorry). Anyways, when I go into disk utility, and try to set up the partition, it fails. I have a newer uMBP, 375 free GB (trying to set up a 75 GB partition) and it just wont work. Weird. Nothing seems to be online about the problem.
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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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Aug 5, 2009
I have a 13" MBP with a 250 gb hd, I partitioned the HD 25gb for Windows XP shortly after I bought it. I was unable to install my copy of windows, contacted apple after exhaustive search as to why... Long story short, I now have Vista to install... When I went back to Boot Camp Assistant; partition was gone. Researched... ran disk utility, repaired and erased partition. Bootcamp HD now shows up in desktop, still not in bootcamp assistant. Since I am unable to locate in assistant; would there be any problems with just installing Vista off the install disk by restarting? Any ideas what to do if this is not a good idea (short of restoring)?
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Sep 24, 2009
Is it possible to sync one's OS X iTunes library across Boot Camp into Windows? I would like to have the same library on both my Windows and OS X partition, and by library I mean having the same ratings and play counts across both partitions in addition to the actual music. If this is possible, how can it be done?
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May 8, 2012
currently have 2 partitions bootcamp and lion. and have read alot about how if you create said partition it will mess up windows bootcamp. but have yet to see any actual answer as to how to creat the 3rd partition. correct me if wrong but is it better to delete bootcamp creat partition then install bootcamp and restore from system image?
Info:
MacBook Pro (15-inch Late 2011), Mac OS X (10.7.3)
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Feb 7, 2007
Well I'm here at college and my iBook keeps giving me connection errors when trying to connect to the wireless network. It works fine at my house but it only works occasionally here at school. I'm not sure what the problem is but I was wondering if anyone has any ideas of what I could try to fix this issue.
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Feb 12, 2009
I am trying to format my external drive to have (2) partitions. A NTFS for backing up my Windows computer and a HFS for backing up my MacBook Pro.
This is what ive tried:
1.) Create 2 partitions on my Mac in Disk Utility. 1 partition HFS, 1 partition FAT32. After doing this both show up in OSX but neither one shows up in WinXP. I was hoping the FAT32 would show up in WinXP so I can convert it to NTFS.
2.) Create 2 partitions in WinXP using Disk Management. 1 partition is NTFS and 1 is FAT32. Connected the drive to my MBP and both partitions mounted in Finder. I then opened Disk Utility and tried to "Erase" the FAT32 partition to HFS. The process seemed to be working but then it changed the name of the partition to disk1s1 and nothing else. The partition doesnt mount in Finder or WinXP.
3.) Create 2 partitions in WinXP using Disk Managment. Both partitions as NTFS. Connected to MBP and both partitions mounted in Finder. Opened Disk Utility and tried to "Erase" one of the NTFS systems to HFS. Same thing happen as #2, renamed the partition but didnt do anything else. The partition doesnt show up in Finder or WinXP.
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Jul 30, 2009
I had my hard drive partitioned into 2, where one was mac the other windows xp. I received this macbook as a gift from my sister so i wanted to reformat everything into mac. I popped in the Mac OS x install cd and just installed it. Now there is two hard drives and I am not able to re-partition it where i can bring it back to one again...I was suppose to delete windows first before re-formating my macbook.
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