OS X :: Format External Hard Drive With Different Partition Schemes - HFS+ And FAT32
Nov 2, 2010
i'd like to format my lacie external hard drive with two partitions:
1. HFS+ partition as a bootable clone of my internal drive
2. FAT32 partition readable by any windows (and mac) machine
i'm creating my partitions with disk utility, but i hit a snag when choosing a partition scheme...apparently i cannot choose a different scheme for each partition.
so when i format the drive with GUID, the FAT32 partition is not even recognized by windows XP. but when i format the drive with master boot record (MBR), the HFS+ partition is not bootable...
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Jan 19, 2008
I have an external hard drive that I was previously using on PC, having attempted to use it on a Mac, it will not write to it. I've found that I have to format to FAT32, which I think i can just about manage (yes, im a girl) but my concern is, if i format through the MAC, will i then lose what's on the hard disk as the tab says 'erase'? I have a lot of images on the hard disk so am a little petrified! Any advice for this really basic question would be appreciated!
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Dec 25, 2008
I am using this guide to get a new HD into my PS3: [URL:...] It says that the HD I back my PS3 up to needs to be formatted to FAT32. I have an external HD that I use with my mac, its partitioned into 4 parts. I have one partition which I don't use which I want to back my PS3 onto. In Disk Utility I select that partition and I only get 4 option under the Erase tab, 4 different Mac OS Extended options.
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Jan 29, 2010
I have a 1/3 full external drive that is currently formatted for MAC OS External.
I want to partition the drive in half and use the 2nd partition for Windows FAT32.
However, when I try to do this with Disk Utility it does not give me the FAT32 option.
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Nov 5, 2009
I'm running Snow Leopard on my new Macbook Pro. I've got a 1.5TB External hard drive that I'm trying to figure out how to format in HFS+ with Apple Partition Map. I can figure out how to format in HFS using Disk Utility, however it still does it in GUID format and I do not know how to do it in Apple Partition Map.
Googleing this for hours has lead with all kinds of information on how to go to GUID FROM Apple Partition Map but not the other way around. I know GUID is the new hottness.. but this drive will be used exclusively to connect to my XBOX 360 and it supposedly only reads HFS+ when its formatted with Apple Partition Map. (I have tried it with Mac OS Extended (Journaled) with GUID, and the XBOX does NOT recognize it) I do not want to use Fat 32, (I know that that is the other major option) beacuse it limits file size.
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Oct 24, 2008
I'm using an external drive through FireWire 400 on my MacBook Pro with 10.5.5. It's a 320GB with 22GB in "free space" and the rest formatted with HFS+ (used as a Time Machine backup drive). I want to setup that 22GB as a FAT32 partition to be writable in both Windows and Mac. Normally, it sounds like I'm supposed to use Disk Utility on Mac and just choose MS-DOS(FAT). Unfortunately, that choice is not presented. I can choose four different Mac-based file systems, but not FAT. Why doesn't that show up as a choice? I've tried leaving it as free space and using a PC to format it. I've tried formatting it as a Mac-based drive and using the PC to format. I've even tried installing MacDrive on the PC and using that to format it as FAT32.
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Feb 15, 2011
I have an external multimedia disk currently formated in NTFS microsoft format. I'd like to be able to copy content to it from my Mac and a PC so I thought to format it in FAT 32. can anyone tell me if there is a size limit to FAT32. what are the major limitations of FAT 32 vs NTFS
Information:
MACBOOK
Mac OS X (10.5.4)
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Apr 18, 2010
The hard drive is a 1TB Western Digital my book I bought it in January I think. I tried to format it to Mac OS Extended (Journaled) when I got it but for some reason every time I try to erase the part thats named disk3s2 or partition the main one it stops a little before half way through. I don't think its the hard drives fault so I called apple about it one day and they helped a little but it didn't work. Thanks in advance if you can help me. Also a few times I waited about seven hours for it while I was at school and when I came home it didn't move.
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Feb 27, 2009
I'm going to buy my first Macbook this weekend and I'm trying to get myself ready so that I don't have to waste precious playing time on stuff like this I have an external hard drive filled with music, videos and files. I would like to keep using my drive on my mac to access my files and save backups etc. The hard drive is in NTFS format and from what I understand the mac will be able to read but not write to it - which isn't what I want. Ideally I don't want to lose the content on the drive, but if I have to I could slowly copy it all onto dvds. If possible I also want the drive to be compatible with Windows so I can plug it into parents/friends/uni's computers and still be able to view/add content on rare occasions. What format should the drive be and how do I do that? (I think I can manage to do it once someone points me in the right direction)
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Feb 5, 2009
I noticed in disc utility that under the erase tab it has the option to format a drive to fat32. If I create a windows partition using bootcamp and then go into disk utility and erase to fat32 will this allow a boot into the xp drive? My xp disc keeps restarting before it gives me the opportunity to format the drive to either a ntfs or a fat so I need a way around this?
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Mar 19, 2010
i have a 500GB HDD which has two 250GB partitions, one which is working for time machine, and another one for storage, that one for storage is NTFS, so i can just read but not write files, which is very annoying.
Can i just reformat that partition without loosing my time machine files? I already copied the Storage files to my internal HDD, also which is the best format? I want to be able to read/write stuff both on PC and Mac
Is there a way to copy my Time Machine files to my computer, reformat that partition too to FAT32 and pass them back?
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Jan 24, 2010
I just bout this Western Digital External Hard drive, Passport SE. Anyways, I formatted it to MS-DOS (FAT) so I can use on mac and/or windows. One of the other main reasons I bought it was so I could use it to watch videos on my Xbox 360.
Now I've seen tutorials online with windows how to re-format it to FAT32 so it works properly on xbox 360 but cannot figure it out on mac? On some of the tutorials they use certain programs to do it, is there something like that for mac I can download? Is fat32 and fat the same? I know there has to be a way for me to be able to format it to FAT32 using mac.
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Sep 12, 2014
I have partitioned my external Hard drive into three different partitions, each of different formats. Two partitions for backing up my macbooks and one to copy to and from my windows PC. I would just like to know if in any way is it possible for me to be able to re-partition one of the partitions, without affecting my Time machine partitions, in case the need be in future.
Info:
MacBook Pro, OS X Mavericks (10.9.4)
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Jun 9, 2012
How to convert NTFS external hard drive to FAT32 without loosing data?
Info:
MacBook Pro, Mac OS X (10.5.8), Seagate Agent GoFlex 1.5TB
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Mar 25, 2006
i've installed a new Hard disk on My G5 that was before installed in a pc (NTFS), now i'm trying to format it in FAT32 in the Mac!! no way!! i don't know how!
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Oct 27, 2007
I was using my external hard drive with my mac and its formatted in the MAC HF(something like that) file system. I would like to format that external hard drive such that the file system is either NTFS or FAT32 so that I can use it on my windows partition running on boot camp. I am asking this question since I am planning to get a new HD for my mac and use the old one with windows.
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Oct 15, 2009
Probably about 10 years ago I was a big techie with DOS and all that, and now I seem to have forgotten how to do anything!
Two questions.
i) My iMac, which I bought last year has run out of HDD space. What can I do to extend it? I really can't work out what I have filled it up with as I have only
8.5gb in my applications folder
4.7gb in the systems folder
9.1 GB in the libary
40.18GB in the users bit (of which 32gb is music on iTunes)
Other than the standard applications I have a DOS emulator, Office and Spore.
But apparently I have used 200gb?!?!? I can't find where this disk space is being used up. Any ideas on what I can check to clear this out? I put a partition in to possibly install windows, how do I check that's been removed correctly?
Also if I plug in a USB drive to extend the memory how can I get the mac running as if this was actually the normal drive for this computer?
And question ii)
I have a PS3 which I want to back up my info on, but its on a FAT32 format. Can I format a USB HDD in FAT32 using my Mac?
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Jul 19, 2009
I just ordered a 1 terabyte WD external drive, and I'm planning on creating one partition for music/movie storage, and a second smaller partition for a superduper clone. So my first question is, what format should each partition be in? I'd like the movies/music partition to be Windows compatible...will choosing FAT32 make any difference in my use of this partition when used with my OSX machine, and what benefits would I see by using Extended Journaled instead? Then, what format do I want the Superduper backup partition to be? Finally, when I initially format and partition the external drive, is there anything I should do to prepare it first, or just go right ahead, divide it in two (approx. 650gigs for music/movies, the rest for superduper) and then format each partition on its own into the formats they need to be in? Also, do I use GUID partition format?
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Oct 5, 2008
I am trying to reformat a 500 GB USB HDD to one FAT32 partition so that I can use it on a Mac and a PC. I have seen many references to using the disk utitilty and creating a partition in MS-DOS format, but my computer does not have that option. The only four options I have are Mac OS Extended, Mac OS Extended (Journaled), Unix and Free Partition. Am I missing something here?
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Aug 19, 2009
I've got an external drive (320GB) that I'm trying to format as FAT32 using Disk Utility, then create a large (as in, most of the drive) HFS partition.
The problem is that no matter what I do, it will only format the drive as Mac Journaled. It lets me select other options (Mac, FAT32) and goes through the process with no errors or warnings, but when I click on the drive it remains Journaled with a partition of whatever I just selected.
I am sure beyond the shadow of a doubt that I am selecting the drive itself, not the partition, when formatting. This is extremely frustrating. Google searches aren't turning up any clues and I don't know what to do.
I have other external drives formatted as FAT32 with a large Mac partition so I know it's possible.
I need to do this so I can mount the drive on a Windows machine.
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Jan 8, 2009
I just brought a Western Digital 1TB USB drive for my Mac Pro. Now when I try and format it in Mac OSX journaled it keeps coming up in an error saying it can't be done, It will format as FAT32 but I need it to be Mac OSX formatted. Does anyone know what might be wrong?
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May 5, 2009
I just bought a new WD Elements (1tb) and I am getting an error when I try and format. I wish I could tell you what that error says but I was trying to figure something else out so I chose the disk6s1 and formatted it to os extended but it seems like it is frozen. I am afraid if I force quit it will screw up the drive. This is the 2nd one I have tried, I returned the 1st one thinking the drive was faulty. Now I think I screwed up the drive when I formatted it in disk utility. I have installed 2 western digital internal Hard Drives into my Pro and have used 2 other external HDs both western digitals. If there was any problems with any of my HDs, I would open up Disk Utility and Erase them to be Mac OS Extended (My WD TV won't read Journaled drives).
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Apr 20, 2009
I am going to be buying an external hard drive soon (Seagate FreeAgent Go 250GB 2.5" External Hard Drive - Black) and I want to double format Or double partition it. I am pretty good with macs, I just don't know much about time machine and external hard drives. What I want to do is either:
A) Make a partition in which I can make backups, and make a separate partition in which I can store files
B) Make a single partition in which I can save back ups (from time machine) and my files (Music, Movies, Applications)
Also, would I be able to run Windows (XP) from my external hard drive somehow? Also, could I run mac applications off my external hard drive, is there a certain procedure?
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Jan 18, 2010
I'm looking to format my external, which i did but one question under Info it says
Format : Mac OS Extended
Capacity : 999.86 GB
Available : 999.28 GB
Used : 579.4 MB on disk (579,424,256 bytes)
What is the used space about? When it should be 100% empty?
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May 8, 2010
I bought a new 1TB external hard drive. What formats should I choose in Disk Utility to make this disc compatible with both Mac and Windows? I rarely have files over 2GB and my Mac is running on Snow Leopard.
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May 2, 2012
Verbatim Store 'n' Go USB 2.0 Portable Hard Drive 500Gb
this is a external hard drive i am looking to buy,but it has Nero back it up and burn software already on it,so in order for me to use it on my macbook,would i need to format it?
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Jun 28, 2014
How do I format an external hard drive?
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Apr 3, 2009
Alright, so My ipod is formatted for windows when formatted in this you can only copy chunks of 4 gig things using it as an external. but if you change the formatt of it to take all sizes, then it's not compatible with mac and pc. =/ i had it originally formatted for pc because i just recently got a mac book pro and it's my primary computer. well on to the hard drive trouble that is related i'm borrowing my friends external to get a 8 gig file from my pc to my mac. it's formatted in fat32(windows and mac read) but that format only allows for a 4 gig max to be put on it at one time. so i guess i'm outta luck there, i've looked at JR split but who knows it that will work. My main q is, i'm going to be getting my own personal external soon and i want to know whats the best way to format it that it will mount on my pc and my mac and allow me to copy more that 4 gigs of stuff on it at a time.
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Apr 3, 2009
I have bought an external hard drive (Fujitsu) recently and turned into an Mac OS Extended (Journaled) format. I was wondering can it be formatted on the same lines as an iPod. I mean like the iPod that can be detected as an external hard drive by both Windows & Mac. Can't I do the same for my external hard drive?
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Aug 23, 2014
I used my external hard rive for installing linux(ubuntu) in my other machine. Now when I use the hard rive in mac os or windows, it does not respond very well. When I use windows for transferring files, it shows 1Mbps transfer rate. But it used to have 25 Mbps transfer rate in windows. Now when i use this drive in my mac, it does not show anything. I then used disk utility to reformat it to Mac os x extended journaled, it just gets stuck in Mounting..... like forever. Is there any way to reformat it Fully (i mean "fully" to remove the core files and rebuilding the system files for my external hard drive)) by using 'terminal' or disk utility? Is the hard rive hardware damaged(but the file transfers in windows though slowly? My external hard rive details are:
1.WD external
2.USB 2.0
3.size: 1TB
Info:
MacBook Pro (15-inch Late 2011), OS X Mavericks (10.9.4)
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