OS X :: Unable To Mount USB Flash Drives

Jan 8, 2010

I can plug in an external USB keyboard and mouse however I can not mount and USB flash drives or USB external disks. I get the following error message:

kernel Flash Disk : family specific matching fails

I am running OSX 10.5.8 on a 15" Macbook Pro 2.53 Ghz. Apple Care has not be very helpful so far. I've verified/repaired disk permissions with lo luck.

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Mac Pro :: Unable To Mount RAID External Hard Drives Since Upgrading To OS X 10.7.4

May 21, 2012

Since upgrading to Mac OS X 10.7.4 I am unable to mount any of my G-Tech Raid hard drives.

iMac, Mac OS X (10.7.4)

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Mac Mini :: Unable To Mount Firewire Drives But Sees Them In System Profile?

May 9, 2009

I connect 2 Iomega external disks and in the system profile I see them under the firewire tab.

I tried them on my macbook and it found them right away.

But on the mac mini they dont get mounted or it is like it is not proberly finding them What can be the problem?

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Hardware :: Unable To Mount Hard Drives / Cannot Recover Lost Data

Jan 6, 2010

I have a dead La Cie Big disk terabyte external drive. It won't mount and it isn't recoverable the way it is. So I looked inside, it's 2 x 500 gig Seagate drives. So, I took the 2 drives out and installed one of them in a Mac Pro to see if it would mount on it's own. I figured probably not, since there were two drives mounted in this La Cie external case, they must have been RAID-ed together. I don't really know much about RAID, obviously.

Disk utility saw the disk, but it wouldn't mount and gave the unreadable message. Tried to disk utility it, and it gave file system errors, not surprised. It looks like you can't separate them, the RAID must split the files onto the two disks.

Is there any point to trying the utility Data Recovery on it? Or should I just tell my boss the only way to get the data back is to send it out to a data recovery place? I don't want to try and reformat them if there is still any possible way to get the data off them. I think the drives are fine and would work as a terabyte drive in the Fantom case if reformatted, but then we lose all these important projects.We seem to have the worst luck with external hard drives.

The odd thing is that I have another dead terabyte drive, a Fantom drive in which one of the 500 gig drives started clicking. I took both 500 gig WD drives out of the Fantom case and installed the two Seagate 500s from the dead La Cie case. It shows up in Disk Utility as an unformatted 1T drive. I was hoping it might just reconstitute itself in another case, but no go. If worse comes to worse, I will reformat it and it will probably be useable.

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OS X :: Get USB Drives To Mount?

Mar 10, 2009

I have an interesting problem in that my USB drives aren't mounting to the desktop. I've tried two separate flash drives and an external hard drive. When I check Disk Utility, I can highlight the drives and click 'mount' and the 'mount' button will darken for a few moments as though things are working but then the button just returns to its normal state and the drive still does not appear on the desktop. Despite this, Disk Utility's log shows the message 'Mount of "xxxx" succeeded' every time. Disk Utility sees the drives (obviously) and will verify them. Only mounting appears not to work. Meanwhile, I can plug my Wacom tablet into the very same USB port and it (the tablet) works perfectly. My iPods and iPhone will sync just fine from the same port. Why is this happening and, more to the point, what should I try in order to fix it? I know it's not a simple matter of restarting because I've done that a number of times already without success no matter what Disk Utility says.

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Hardware :: Trying To Mount Two WD 1Tb Drives

Sep 8, 2009

I bought two 1Tb Western Digital "My Book" drives. I have plugged them into my MacMini, but no matter what I do only one of them will mount at a time. I'm wanting to mount both so that I can create a RAID with them. Is there any reason why I can't mount both of them?

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Mac Pro :: How To Mount 2.5" Drives

Aug 28, 2008

I'm going to be receiving my new Mac Pro soon and a friend has some 74GB 2.5" SAS drives that I am considering using for some fast storage. How would I go about mounting these up in the 3.5" Mac Pro drive bays?

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Power Mac G5 :: Drives Only Mount Randomly?

Oct 3, 2007

Except for the drive with the system on it the drives (whether CDs, DVDs, Sata Drives, internal drives, Firewire, network,...) drives only mount randomly. And often after ejecting them they often don't disappear and stay on the desktop. I've got a couple of Raids (one internal and one external Sata II) and one of them is hardly ever recognized on startup and I have to get it in the disk utility. Most recently even toast has started to fail if asked to copy cds or dvds (I presume because they are not mounted proplery).

G5 Quad

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Mac Pro :: External Drives Will Not Mount To 2010?

Oct 10, 2010

I am having issues with mu G-tech and Lacie external FW800 drives mounting to the desktop. The drives just spin and click and never mount. I tried different cables and both- front and back ports.

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MacBook :: No External DVD Drives Will Mount?

Mar 21, 2012

I have tried a Samsung Drive and an ASUS slim drive (that worked twice, then stopped working). They do show up in the Disk Utility, but not on the desktop. Disc Utility states that burning is not supported, even though I was able to burn two discs with the ASUS before it stopped as well. I had my keyboard replaced around the same time as the issue starting, it is possible that they could they have messed with something by accident. The tech did also forget to put a screw in above the DVD Drive. I also will note the internal drive is a Combo Drive, not a superdrive.

MacBook (13-inch Late 2006), Mac OS X (10.6.8)

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OS X :: Cannot Read Or Mount Network NTFS Drives

Nov 8, 2010

I am running Snow Leopard. I have a few drives on my PC that I have shared, three are NTFS and one is FAT32. I can read and write to the FAT32 on just fine, everything works as it should with it. I can view the NTFS shared drives, though when I try to access them I get this error. The operation can't be completed because the original item for "Drive Name" can't be found. I can read NTFS USB drives fine, and with NTFS Mounter running I can write to them all the same. However this is not the case whatsoever with networked NTFS drives. I am sharing them from a Windows 7 x64 PC, my Mac is a 1st gen Intel Core Duo 1.66.

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OS X :: Target Disk Mode Not Mount Any Drives

May 12, 2007

I thought having a Macbook and a PC and keeping data sync'd between the two would be easy, or so Apple et al would have me believe. So far I've not only found out that their IP over FireWire, the only feasible way to transfer the large amounts of data I have, is seriously lacking (i.e. I haven't been able to get it to work!) but also that when I try to ease my woes by connecting the Macbook as a FireWire drive in Target Disk Mode, it fails to deliver again. The first time I connected my Macbook to my PC over FireWire in Target Disk Mode, it popped up in My Computer no bother. Alright, so the only partition I could access was my XP partition on the Macbook (thank goodness I have that or I'd be right up the creek!), but I suppose it's to be expected, what with OS X and Windows having different file systems ETCETERAH.

So I'll copy all my media files to the XP partition and then copy them to my XP PC from there, I thought. Every following time I've connected in Target Disk Mode, I've received nothing but a 'removable disk' icon in My Computer which, when clicked, asks me to 'insert media'. WTF, Apple?! So not only can I not have my OS X drive show up in Windows on my PC, but now I can't even have the XP drive show up?! I didn't change anything, I didn't do anything differently, I literally just rebooted OS X to copy the files I wanted from the Apple partition to the XP one. Sorry to come across all 'angry like', it's just not the first, second, or third problem I've encountered since 'switching'. For a company who prides itself on how its products 'just work', it's becoming an eye-opening experience. However, I understand it's probably something I've done incorrectly, rather than the fault of Apple or Microsoft. So I ask you, what am I doing wrong?

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OS X :: Does Mac Write Any Unique Info To External Drives On Mount?

Dec 24, 2009

I've always wondered this: I know when you mount a drive (USB stick, FireWire external or even an iPod of some sort) in OS X, a few invisible files get created. And if you have an AV program, sometimes it will write files to the drive. Same with some other third party apps. Do any of these files contain personal information, or things unique to the machine? Like user name or directory structure or things of that nature? I assume they don't, or else you'd probably see it mentioned more often, but I was wondering if anyone had a definitive answer..?

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OS X :: Usb Flash Disk Cannot Mount?

Jul 16, 2009

my usb 2.0 removable flash disk had a problem. i reformatted it and while in the process it failed. then after that my usb can't be detected by mac but i can see it in disk utility. i tried everything in disk utility. [URL] that disk2s1 when i try to verify, or even repair it something will say that ** /dev/disk2s1 could not read boot block (Permission denied) Filesystem error: verify or repair failed

i can't mount it too..when i hit the mount icon it would say try first aid on it first or verify or repair and try again. i've searched everything in the net but i can't find something.

ah..and when i insert my usb in windows (desktop) the usb will be detected but i cannot open it.. the pc will hang and i can't even get to see its properties in windows.

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Mac Pro :: Installed A Second ESATA Card To System / Connected Drives Mount Very Slowly?

May 13, 2010

I just installed a second eSATA card to my system. The connected drives mount very slowly (long delay) and eject even more slowly (more than 2 minutes, sometimes hang, sometime kernel panic).

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Hardware :: USB Flash Drive Suddenly Will Not Mount On Mac

Jul 25, 2010

Just used a Kensington USB flash drive on a friend's Mac Book. Now I can't get it to mount on any Mac. I ejected it correctly before dismounting it. Any way to force a Mac to recognize the drive?

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OS X :: Make / Mount Windows 7 To Flash Drive

Jun 8, 2010

I wanna install windows 7 on my PC & I have Windows 7 ISO on my Mac how do I mount/install Windows on the Flash drive to setup it on my PC?

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OS X V10.7 Lion :: Flash Card Cannot Mount Or Show

Jun 25, 2012

I have lion 10.7 loaded My computer will not mount with a compact flash card. I have a photography business and this is crucial for me.

Info:iMac, Mac OS X (10.7.4)

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MacBook Pro :: Any Flash Mount Express Card USB Adapters?

Mar 13, 2010

I have the flash mount Sonnet 2 in 1 Card Reader ATM but would like to add some USB ports but the card has to be flash mount.

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MacBook :: USB Flash Drives And Mac OSX 10.5.6.

Feb 17, 2009

A Verbatim Store 'N' Go 4GB is not even recognised by Mac OSX 10.5.6 when plugged in. Is this to be expected and can the Mac OS be configured to recognice it?

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Hardware :: USB Flash Drives As External SSD?

Sep 11, 2010

[URL] Though I've never done it myself, I've gleaned that it's possible to partition/raid multiple HDs together to act as 1 HD Might it be possible to do the same to lots of Flash Drives serially linked with USB hubs? 1 USB port -> 1 hub (7 USB ports) -> 7 hubs (49 USB ports) -> 49 hubs (343 USB ports)

USB hubs /can/ be really cheap (given patience, they could probably be acquired for $3 per 7-port hub) If you go to conventions and stuff like that, they literally give away flash drives with the company's info on them. not the largest around, but I've seen 512MB (maybe larger now? that was several years ago) to get 343 ports, you would need 57 hubs ($171) 343 free 512MB flash drives cardboard box 18x18x18" (if each hub is 7x2x1", then 57 would take up 7x19x6") This would be big, but not ungodly so. This would give us 171.5 GB. (343 GB if each drive is 1GB) I'm not sure of the power requirements of these drives - might have to get hubs with own power supplies. anyways - is this possible? would it work how I think? USB 2.0 offers faster data transfer than SSD, but I don't know the speeds of flash drives.

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MacBook Air :: All USB 2.0 Flash Drives Same Speed?

Nov 12, 2010

I purchased a 16GB PNY Attache and cloned my hard drive before I installed anything on it. My only reason is for backup and to run a few utilities. It seems to be a little leisurely when I boot from it though. Does anybody know if there are faster read and write ones or is this as good as it gets?

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MacBook Air :: Which Flash Drives Work With It?

Jun 25, 2008

Can you guys let me know which flash drives work with the macbook air without the need for a dongle?

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Hardware :: FireWire Flash Drives?

Nov 22, 2008

I really don't want a USB flash drive. USB sucks eggs simply because FireWire can do so much more (TDM, transfer speeds, etc.) OCZ was going to make a FireWire flash drive; heck, they had a FireWire 800 version built! Does anyone know of any FireWire flash drives? 800 is certainly preferable, since 400 is currently dead.

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Hardware :: Using External Flash Drives - Mac + Pc Ok?

Apr 7, 2009

I just inserted a brand new flash drive into my macbook, a 16 gig sandisk cruzer. I thought the system would ask me to reformat it, but it didn`t. It looks like i can add and delete files without any problem, though. Is it ok to use this same drive to share files between my windows and mac? will there be any kind of format issues or problems? Just asking to be sure I won`t do anything wrong before I pop it in my pc lol

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OS X :: Use Flash Drives To Locate IMovie HD 06?

Nov 29, 2009

BEFORE I started experiencing problems with my HD, a year or so ago, and before it crashed, I made this backup (see "GREY_USB"). At that time, I was using iMovie 06 to produce video DVD's for animations of clients' products and business plans. AFTER my system crashed (and a move to the other side of the planet!), I was finally able to have my Powerbook rebuilt and restored (see 3 attachments beginning "BLACKORANGE".)

Only after getting fully settled here, did I realise iMovie is apparently not installed....at least, not as far as I can tell. Some version of it may be on one of these USB flash drives, but it's been so long since I tinkered with any of this alchemy, I don't remember a flaming thing about how to go about checking. Is it possible to view only, without downloading anything, exactly what applications/data are on BOTH flash drives, then, IF the iMovie dmg is still on one of them, to install it?

I'd prefer not to install iMovie 08 unless that's all I have; the expense of having to fit Final Cut into the budget right now is absolutely out of the question. If you need more details or info, let me know. As my signature indicates: Powerbook G4, Mac OS X 10.4.11 w/Safari 4.04, iLife 08, occasionally running external LaCie HD (well, when I find it and unpack it).

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Software :: USB Flash Drives Not Recognized

Aug 8, 2009

I have a 2008 (2/2008) 24" aluminum imac that is not recognizing certain USB flash drives now. The drive (Sony 8gb) worked before but does not now. When started up with the drive in a USB port, system profiler will find it but disk utilities will not (nor does it appear on my desktop). I have tried all other USB ports in this computer with no results. This drive still works fine on all other macs in the house. This problem is isolated only to flash drives since all other USB accessories still function fine. I recently added a Sandisk imagemate all-in-one card reader to this system and suspect that this might have caused the problem since oddly enough, my Sandisk flash drive still works fine. The only driver I installed with this reader was the application start up button (to launch iphoto).

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Hardware :: Keyboard Cannot Power UP Two Flash Drives?

Nov 12, 2010

I have an aluminum numeric keyboard. and when I plugged in two scandisk Cruzer usbdrives it said that one of them wasn't getting enough power. So I read online and saw that some people said windows can provide enough power for both. So I turn on my virtual windows machine (which automatically mounted the usb drive that was connected) and then my mac was able to mount the second usb drive! But when I let windows try to host both drives in the keyboard windows said it couldn't power both devices either! this may just be because it was a vm.

But my point is at one time I had access to both drives in my keyboard(with one os for each one) but when using just a single one it wont work. Is there any way to change a setting so I can push out more power to my usb keyboard? I'm perfectly fine with terminal and editing files, but is there a setting to change anywhere?(it's only getting 300mA and the usb drives need 200 each and the keyboard itself needs 20 so that all fits in the 500mA range).

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MacBook Pro :: Transfer Files To It From Flash Drives?

Jun 28, 2012

I'm trying to transfer pictures to my macbook pro from an SD card. 

MacBook Pro

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OS X Mavericks :: None Of USB Flash Drives Can Be Accessed In Finder

Aug 25, 2014

First the specs from "About this Mac":

MacBook Pro "13-inch, Late 2011", 2.8GHz Intel Core i7 // RAM= 8 GB 1333 MHz DDR3

Mac OS X 10.9.4 "Mavericks" (13E28) 

The problem:

None of my USB Flash drives are accessible in Finder. 

The drives do technically "Mount" properly - they show up in Disk Utility, with the "Unmount" & "Eject" buttons available (indicating it's mounted), and they're mounted to the path /Volumes/<Disk Name>.  Also, the disks show up in the Finder Sidebar with the correct name etc.

However, If I click on the Finder icon for the drive, the window flashes white for a millisecond and then reverts back to whatever the window showed before (eg. my home folder's contents).  Finder will not access them.  This has occurred on 3 different USB Flash drives (all of the ones I own!), which are formatted for ye olde windoze, FAT16 or FAT32 (aka. MS-DOS).

The drives operate perfectly normally on an iMac running OS X 10.8.5 (accessible in Finder). I was able to copy files to/from & list the contents of the Flash drives normally. 

In Disk Util. I can Unmount & re-mount without error.  If I unplug the disk I get the expected "This disk was not unmounted properly" banner.  Eject via DiskUtil appears to work properly without error, causing the disk to vanish from Disk Utility (as expected).

The directory /Volumes does not show the drive's directory (just "Macintosh HD") - in fact the first time I list /Volumes/ after plugging in a drive, it appears to show some folder in /Volumes that is quickly removed (kind of scrolls-up into itself) as soon as the /Volumes directory is listed - was it my drive playing hide-and-seek??

The Eject button / option (in right-click menu) is not available in the Finder.

If I use Finder > Go To Folder… and type in the "Mount Point" from Disk Utility, I get a "folder not found" error. 

In DiskUtil, if I right-click the drive name and select Reveal In Finder…, strangely the folder will actually show up in /Volumes, and I can open the folder and view the drive contents (sometimes I have to Reveal it twice for it to work)!  I was also able to create a new folder after this (which did show up on the iMac as well).  However, if I tried to copy and files to the Flash drive, I get either

The operation can’t be completed because one or more required items can’t be found. (Error code -43)

(when I try to drag a file into the newly created folder on the Flash drive), or

The operation can’t be completed because an unexpected error occurred (error code -8058).

(if I drop a file on the Flash drive's root directory, or try to copy a file form the Flash drive to my computer). 

I have tried DiskUtil/"Repair Disk" on the flash drives, which doesn't show any errors or warnings (they appear to be ok - again they work fine on another Mac).

I also did a "Repair Permissions" on my MacBook, to no avail. 

I seem to remember having this same problem on OS X 10.8 at some point last year, and think I solved it via an online hint, but I have yet to re-find that solution (I'm on OS 10.9 now). 

MacBook Pro, OS X Mavericks (10.9.4), USB Flash Drives formatted as FAT16

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