External HD fat32 partition is not mounted

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• external Mac backup (partitioned) do not pick up

  Since the update of 10.11.6 (15G 31) my computer was not save its backup (this is a partitioned hard drive and reads the windows format section and not the section backup Mac)

  someone at - it advice or experienced a similar situation?

  Thank you!

  Erase the Mac volume and run another backup.

• External CD drive will not mount on OSX

  An external CD/DVD drive will not mount on my iMac running the latest OSX update. I'm on my second CD drive (sorry Amazon). When I insert an audio CD, it is recognized. I am able to rip the CD fine, but then the Player responds neither to open unless I unplug the USB to which I am able to open it and change the CD I tried to use external power to the player. That

  s not the question. Disk Util sees only after fresh USB connection. Profile of sys can see at any time. Back to zero does not correct the problem is it better that disconnect and reconnect. All OS updates have been applied. No other devices or software problems. Y at - it a tip. This should be simple and Yes, CD player works on a Windows machine, but I have not yet tried on another machine from Apple.

  Post edited by: HOUSE is compatible OSX and the issue is not resolved.

  Is the devices designed to work with OS X?

• WD My Passport drive external drive will not mount once my Macbook Pro is already on

  Hello

  I actually had this problem for a year or two, but I'm finally getting bugged to this topic enough to see if it can be 'fixed '.

  I have a 2 to WD My Passport portable HD connected to my macbook pro via an external (wall outlet) powered TRUST 5 x USB3 Hub.  If everything is connected, when I start the macbook pro there is no problem and the WD My Passport is mounted in the finder.  But if I remove manually the hard drive and then try to mount it again while the macbook pro is running it doesn't mount not.  It used to, but he won't now.

  In the past the WD My passport would need to unplug and perhaps the USB3 hub would need power cable disconnect from him and the USB hubs out the macbook pro.  So when I joined this new and plugged the hard drive WD in the hub, it would rise very well.  But now it's just point blank refuses to ride until I restart the macbook pro.  Once I restart it it climbs perfectly and stays up forever--until it is dismantled manually - and then I have to restart the macbook pro again so he could mount once more.

  I tried all combinations of pull cables and adapters to power but nothing has worked.  After dismantling the WD hd and plug back on the USB3 light led on the hub hub lights up and the hard drive turns manually, but, as I say, it is not mount and it is not visible in disk utility.

  Any ideas please?  It's a bit annoying to have to keep restarting the mac whenever I had to unplug the hard drive WD.

  "As issued" WD Passport appear to cause a number of reports of trouble around here. You have already taken the first "not best" - using a powered hub. Just make sure that the hub is really power (lights on, for example). It could be that the external drive is in its death throws.

  This happen if the WD is the only thing on the powered hub?

  The Mac USB ports work with other devices?

  Here's what my experience with these things has believing me. WD made great bare discs, but I can't be so kind to their pens. Three questions:

  (1) I think that they should use chipsets which are not very easy to Mac.

  (2) most driving the ship formatted for Windows

  (3) even those shipped as "Mac editions have some odd which makes it difficult to access file formatting.

  If you do not have to share the drive with a Windows computer, you can reformat the drive and that often fixes "fail to mount/recognize" question. Disk utility is your tool of choice here because it is already installed on your Mac. Completely erase the WD drive by selecting the tab 'Clear' in the bar tabs to disk utility. Define the plan of Partition to GUID Partition map and journaled for Mac extended format. Press the button 'clear '. The reader will now will be rid of eccentric WD partitioning and formatting schemes and be a good Mac hard drive.

  If you share the road with a Windows computer, consider getting a better workout. After having fought external drives 'brand' on my computers and others that I maintain, I now use only boxes of other computer world with naked WD drives inside. Since this change, I have zero problems. For my MacBook Pro, I use this forum:

  https://eShop.MacSales.com/item/OWC/MEPMU3ES/

  I ordered the external power optionally for use at home and go on the road bus-powered. It's an empty envelope - just a hard drive of nu. They are more expensive than the stuff that Staples puts on sale every weekend, but are much more reliable. I ask the question. "What is my value data?"

• Drive external DRIVE will not mount after resizing in Windows

  Hi all

  I got a 1 TB external drive that I used for a while about 10 Windows and OSX (El Capitan). I had two partitions Configuration for use on every platform without any problems.

  Then, I needed extra space on the Windows partition, so I think that, if I remember correctly, that I've resized using the disk management tool in Windows. I reduced the OSX volume and increased the size of the Windows volume. I can probably hear you all shout now.

  Surprise, my volume OSX will now not mount when I run in El Capitan. It does not show in disk utility, and the only way to 'see' it is using diskutil:

  Output: Diskutil list

  / dev/disk2 (external, physical):

  #:                       TYPE      NAME                                                            SIZE        IDENTIFIER

  0: GUID_partition_scheme * 1.0 TB disk2

  1:                       EFI EFI                                                                         209.7 MB  disk2s1

  2: 000100AF-4028-0006-2192-BA7200000000 650,3 GB disk2s2

  3: 000100AF-7220-70FB-2192-BA7200000000 23.7 GB disk2s3

  4: Apple_HFS Install OS X Yosemite 5.7 GB disk2s4

  Output: Diskutil list cs

  CoreStorage groups of logical volumes (1 found)

  |

  + Logical Volume - Group DD8EBA77-8349-4762-BD32-4D45402DDE23

  =========================================================

  Name: Macintosh HD

  Status: online

  Dimensions: 120473067520 B (120.5 GB)

  Free space: 12656640 B (12.7 MB)

  |

  +-< physical="" volume="">

  |   ----------------------------------------------------

  |   Index: 0

  |   Disc: disk0s2

  |   Status: online

  |   Dimensions: 120473067520 B (120.5 GB)

  |

  + -> 70EB98AB-5D10-4774-89C9-F66D334A7BA0 family of Logical Volume

  ----------------------------------------------------------

  Type of encryption: AES - XTS

  Encryption status: unlocked

  The conversion status: complete

  High level queries: secure

  |                        Password required

  |                        Accepts new users

  |                        A visible users

  |                        At the Volume key

  |

  +-> Logical Volume BEE2BAE7-909A-42F8-91F1-55085485904A

  ---------------------------------------------------

  Disc: disk1

  Status: online

  Size (Total): 120108089344 B (120.1 GB)

  Reversible: Yes (unlock and decryption required)

  Put the situation: Restart required

  Name: Macintosh HD

  Volume name: Macintosh HD

  Content indicator: Apple_HFS

  Output: TPG - vv - r sudo show/dev/disk2

  See the TPG: / dev/disk2: mediasize = 1000204886016; SectorSize = 512; blocks = 1953525168

  See the TPG: / dev/disk2: MBR suspicious to sector 0

  See the TPG: / dev/disk2: Pri GPT to sector 1

  See the TPG: / dev/disk2: GPT Sec at sector 1953525167

  start index size summary

  0           1         MBR

  1 1 Pri GPT header

  2 32 table GPT Pri

  34 6

  40 409600 1 part TPG - C12A7328-F81F-11D2-BA4B-00A0C93EC93B

  409640 1270198464 2 part TPG - 000100AF-4028-0006-2192-BA7200000000

  1270608104 624918840

  1895526944 46298496 3 part TPG - 000100AF-7220-70FB-2192-BA7200000000

  1941825440 262144

  1942087584 11175400 4 part TPG - 48465300-0000-11AA-AA11-00306543ECAC

  262151 1953262984

  1953525135 32 table dry GPT

  1953525167 1 dry GPT header

  Output from: sudo fdisk/dev/disk2

  Disk: geometry / dev/disk2: 121601/255/63 [1953525168 sectors]

  Signature: 0xAA55

  From end

  #: cyl hd s - cyl hd s id [Start - size]

  ------------------------------------------------------------------------

  1: EA 1023 254 63 - 1023 254 63 [1-409639]

  2: AF 1023 254 63 - 1023 254 63 [409640-1270198464] HFS +.

  3: 1023 254 63 AF-1023 254 63 [1895526944-46298496] HFS +.

  04:00 0 0 0-0 0 0 [0-0] unused

  #2 partition is my concern. It contains my library, iPhoto and other important pieces.

  So, is anyway that I can get it back? What can I do to try to preserve its data? Thank you very much! Chris

  It comes out by any other command that could help someone point me in the right direction to solve this? Thank you

• Z400 disks with EFI partition not mounting after the Windows 7 Pro upgrade

  HP z400: after a repair/upgrade to sp1 of Windows 7 Pro (64), no matter what external disk with an EFI partition is not installed.  Player will be present in the BIOS and the management of drive, but without a letter. Cannot assign a drive letter.  All other discs mount correctly.  Disks with EFI partition will mount on other PCs.  All the drivers seem to be current and fuctional.

  I thought about it... after two weeks of puzzle, I finally found the cause.

  I run MacDrive 8 so I can play discs with HFS + formatting.  This program should be completely uninstalled and reinstalled after the upgrade.  I had turned it off before the upgrade, but it takes more than that.  Everything works now as expected.

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• 320 GB HD, not mounting correctly primary partition

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  Hello

  I have the same problem, I want to get rid of this cdrom drive, I don't have and don't want. If year annual already received suggestions I'd be happy to hear from you. I'll do the same...
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• external hard drive not mounting

  Here it is the end of the year and one of my external hard drives (1 TB Iomega MacMini) decided to not mount on the desktop of my MBP 15 "

  (in early 2011).

  I read a few posts on ways to remedy by making the Kext Utility application, reset the SMC, disk repair/first aid utility, using different cables/ports.

  test another external hard drive (which is mounted using FireWire 800) etc...

  When I look at the MBP in the system report found in 'about this Mac' sees the external hard drive, that I'm putting and yet this car is not editing.

  The Iomega hard drive light flashes and there is power and the whirring of the drive, so that it seems the unit working on it of own but is no longer connection

  on my desk.

  I have Time Machine on two external hard drives, but has a reader is slightly larger than the other, the information stored on both devices is slightly different.

  So, if I can get access to the data from the Iomega hard drive and save it, then I'll be a happy camper and will update to another external drive.

  For now, I hope some of you can provide advice to solve this problem.

  I booked time at the Genius Bar, but nothing is open until next week.

  Looking forward to responses and wish all a happy new year.

  If so, try it on another Mac.  Don't rule out the possibility that the HARD disk is dead.

  Ciao.

• Time Machine - there was an error preparing the Time Machine backup drive (could not mount the drive)

  I have a new HD but cannot set up encryption with system preferences. After ten minutes, I get the following error message:

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  Apparently, I need to set up the HD in this way:

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  It is not an option for the HFS + and so I used; OS x EXTENDED (journaled). GUID is ok.

  Can someone let me know what I need to do.

  Thank you

  Formatting: GUID Partition Table, OS X Extended (journaled).    (it is HFS +)

  For TimeMachine at best to a partition only.

  Do it again if necessary, then disconnect, reconnect, Start Time Machine preferences and "select disk".

• Why I have a FAT32 partition and how can I know what is on it?

  I tried to free up space on my hard drive and I went to disk management and discovered that I have a FAT32 partition.  This partition has a capacity of 2.9 GB and is currently greater than 90% full.  How can I find on which is stored here?  Is there a reason that this partition is necessary?  I've certainly not implemented (at least not on purpose).   I use Windows XP.

  Thank you!

  The best thing to do would be to consult your computer's documentation and see if there's information to the service partition.

  You can watch the partition with disk editing tools such as Acronis Disk Director or you can use a partition simple editing tool like PtEdit32 from Symantec to change the partition type and you can then watch the partition with Windows Explorer.

  Make a note of the type of partition until you change it so that you can then set it back as it was.  The partition is probably a hidden type 1 c, if you want to change for a type of 0C to view it.  A reboot is required for Windows see and mount the partition to make it available to Windows Explorer or disk management tool.

  WARNING!

  Slippery fingers or user errors when you use the drive or the partition, editing tools can lead to the loss of all data on the disk!  To aid PtEdit32 is quite easy and simple, but it requires a little knowledge and understanding of (or a willingness to learn) how partitions are organized and identified.  You can download PtEdit32 from the Symantec FTP server, which is easy to find with a search on the net: http://search.yahoo.com/search;_ylt=A0oG7mbsbOxMsWcBUlZXNyoA?p=ftp.symantec.com+ptedit32&fr2=sb-top&fr=yfp-t-501

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• With EFI partitions will not rise

  HP z400: after a repair/upgrade to sp1 of Windows 7 Pro (64), no matter what external disk with an EFI partition is not installed.  Player will be present in the BIOS and the management of drive, but without a letter. Cannot assign a drive letter.  All other discs mount correctly.  Disks with EFI partition will mount on other PCs.  All the drivers seem to be current and fuctional.

  Hello

  I never got a message error... all options have been grayed out.  And I tried the guest... but it has not yet been recognized in disk management.

  But after two weeks of puzzle, I finally found the cause.  I run MacDrive 8 so I can play discs with HFS + formatting.  This program should be completely uninstalled and reinstalled after the upgrade.  I had turned it off before the upgrade, but it takes more than that.  Everything works now as expected.

  But it would be really nice if Windows reads HFS disks...

  Thank you

  Scott

• EFI disk0s1 not mounted. screen shows gray with help file when I restart

  I had these problems with my recent Mac.

  1. it freezes for a few seconds. Then begins to work properly. And then freezes. The beachball keeps spinning and I can't access any of the applications.

  I tried restarting. But came up with another question. The gray screen of the charges and file aid continues to Flash.

  I tried from the recovery mode, but I get the Internet (OS X Lion). I'm under El Capitan. In disk utility, I check and repair the drive. Stop and try again. Now, there are two current icons and off - no logo entry sign and apple. If I'm lucky then after 40-50 seconds, Mac starts up.

  Now, I tried to make the EtreCheck, and he gave me more results for disc

  Disk information: ⓘ

  HTS545050A7E362 disk HARD APPLE disk0: (500,11 GB) (rotation)

  EFI (disk0s1) < not mounted >: 210 MB

  Macintosh HD (disk0s2) /: 499,25 (Go 110,18 free) - 70 errors

  Drive failure!

  Recovery HD (disk0s3) < not mounted > [recovery]: 650 MB

  HL-DT-ST DVD - RW GS41N)

  
  

  That's what worry?

  
  

  What can I do to fix these problems?

  Disk0 unit 1 is not the problem. This is the EFI partition, which is never mounted, because it is used only by the bootstrapper, long before that the file system is initialized.

  Your problem is 70 errors in disk0 tranche 2, the volume Macintosh HD. This hard drive (the entire disc) was his. Dead. in ruins. You need a new drive.

• Disk utility was unable to repair the Time Machine USB2 external HARD disk partition?

  Hello.

  My client has problem with its USB2 500 GB Seagate FreeAgent Go since early 2010. There 2 partitions: FAT32 and HFS (for most Time Machine backups). After connection and enter its password valid successfully, it takes a minute to set up, and then a message that says "OS X cannot repair the «...» "You can still open or copy the files on the disk, but you cannot save changes to the files on the disc. Back up the disk and reformat it as soon as you can. "I ran disk with their verification utility. Both are problems with "invalid sibling link" and said the repair option. However, this repair option is grayed out.  So, is it not possible to fix it with free software on the disk except for the reformat?

  I used two different 15 "MacBook Pro (Mac OS X v10.8.5/Mt. mid-2012 lion and v10.10.5/Yosemite of the early 2013) with the same results, is not the MacBook Pros. http://imgur.com/a/OW0s6 for a couple screen
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  Thank you in advance.

  Disk utility can't repair an error of invalid sibling link. You use Disk Warrior that assuming that the disk is always good. Otherwise, you will need to save what you can then reformat the hard drive. Exactly what the error message said.

• external hard drive partition in disk utility impossible

  on El Capitan, disk utility does not a new external hard drive partitioning.

  When is this corrected?  Is there a work-around.

  With I TB seagate drive and I cannot partition?  It is not useful.

  Marilyn

  Mac mini end of 2014 2.6 Ghz Intel core i 5

  8GB memory

  El Capitan

  Of course, it does.

  Select the drive:

  

  Set how many partitions:

  

  Click on the Add [+] button once for each partition that you want to add. You can set the size using the size field.

  Before you start to complain about something, it would be wise to get your facts straight.

• Default volume is hidden and not mounted on reboot

  Topic says... I have a disc having two primary partitions, linux, the other ntfs.  Is not the system partition (machine has two discs, this disc is just for data).  I have manually set the ntfs partition to clear the hidden attribute as he received a letter from reader and mounted.  After the reboot, it is all back to when I started... hidden flag is set and the drive is not mounted.  How know why this change?  Thank you.

  Hello Digi,

  Welcome to the Microsoft Community Forum.

  Your question of Windows is more complex than what is generally answered in the Microsoft Answers forum. It is better you post the same query in the Microsoft TechNet community. You can get more effective suggestions and adapted by experts familiar with this topic.

  Please visit the link below to find a community that will support what ask you:

  Microsoft TechNet community

  http://social.technet.Microsoft.com/forums/Windows/en-us/home?category=w7itpro

  Hope the helps of information. Let us know if you need help with Windows related issues. We will be happy to help you.

  Thank you