15" Retina external disk not mount

Just bought my new 15" MBP with Retina display. My external 1TB Silicon Power USB 2.0 external drive won't mount. Can not see inside Disk Utility either. I can otherwise mount it on other MBPs and Windows machines. Any ideas?

Yeah, that's probably not enough juice to get the ball rolling, so to speak. And no firmware's gonna fix that, the way I see it. It reminds me of an identical problem that occurred in the same Retinas, "right next door". As is known, many professional photographers sought to put the display to good use with their top grade cameras. All of these almost universally use FireWire instead. Much teeth gnashing occurred since the promised Thunderbolt to Firewire dongle took a bit longer to materialize, only to result in dismay since it doesn't fulfill the FW standard; it seems that the thing simply can't do the 1.5A that the interface is supposed to make available to the peripheral.
But well, back to your problem. Besides getting a male/female USB extension cable to be able to use the Y adapter, is there no way to power up the drive(s) with some sort of external power supply? For instance, I've a 750GB/7200RPM 2.5" HDD on an Oyen Digital FW 400/800 & USB2 case. The thing really digs power cause it is very fast. The FW ports (400 on the old and now 800 on the new) can handle it, but were I to need to use USB, I can plug a Radio Shack universal power kit set to 5V to boost things and eliminate the need for the Y, since it does have a power jack.

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External disk not mounting any more

Help me please! I am so tired of not having my external LaCie drive mount anymore. It worked fine under 10.5.8 and even 10.6. But for the past several months at start-up the little blue light just flashed and I can hear the drive "chugging" away.Finally, after 5 or so minutes, the volumes mount. Most of the time I could get it to mount by removing the power plug and re-insterting. But now even this doesn't work. This is my Time Machine disk! What is heavens name is going on????

It sounds like a failing drive. I would call LaCie support, they're very good.
Short of that I can give you a command to mount it as a workaround - if it works.
Launch/Utilities/Terminal and enter this command at the prompt:diskutil listPress return. Note the number of the disk (far left column) you want to unmount.
Then, enter this command:mount /dev/(number of disk) /dev/ (the number of the disk)
Good luck.
-mj
Message was edited by: macjack

External Disk not mounting

I had problems (could no write a file to it) with a Seagate 3 TB ExFAT disk, connected by USB 3 to a Mac mini running Mountain Lion (10.8.5).
Disk Utility Verify told me to Repair and so I did, and it stopped in the middle of the Repair (I let it run overnight, having disabled all power saving ooptions in System Preferences).
After that, the disk does not mount.
1. Any idea how I can mount the disk?
2. Any idea what tool I can use to recover the contents of the disk?
Thanks

Sorry, but I did not capture the output of Disk Utility when I ran it and now the disk looks "dead". Does not mount, does not show up in Disk Utility.
I plug the USB cable in, I can hear the disk whirring sound, but nothing happens afterwards. Only the internal disk shows up. The cable is good because I tried it with another disk.
Now I found a Disk Utility Log:
2014-07-27 15:49:33 +0200: Verifying volume “disk2s1”
2014-07-27 15:49:33 +0200: Starting verification tool:
2014-07-27 15:49:33 +0200: Checking file system
2014-07-27 15:49:33 +0200: Checking volume.
2014-07-27 15:49:33 +0200: Checking main boot region.
2014-07-27 15:50:28 +0200: Error: This disk needs to be repaired. Click Repair Disk.
2014-07-27 15:50:28 +0200:
2014-07-27 15:50:28 +0200: Disk Utility stopped verifying “disk2s1”: This disk needs to be repaired. Click Repair Disk.
2014-07-27 15:50:58 +0200:
2014-07-27 15:51:37 +0200: Verify and Repair volume “disk2s1”
2014-07-27 15:51:37 +0200: Starting repair tool:
2014-07-27 15:51:37 +0200: Checking file system
2014-07-27 15:51:37 +0200: Checking main boot region.
2014-07-27 15:52:48 +0200: Volume repair complete.
2014-07-27 15:52:48 +0200: Updating boot support partitions for the volume as required.
2014-07-27 15:53:15 +0200: Error: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.
2014-07-27 15:53:15 +0200:
2014-07-27 15:53:15 +0200: Disk Utility stopped repairing “disk2s1”: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.
2014-07-27 15:53:46 +0200:
After this I lost all access to the disk.
Is there any console command or utility that can mount the disk?

LaCie 1TB Big Disk not mounting as a shared device

Hi!
Today, I purchased a brand new AirPort Extreme 802.11n to replace my now dead NetGear WGR614. The set-up went well, but I have a query.
I also own a LaCie 1TB Big Disk connected to the AEBS via ethernet as a NAS Drive. The disk itself is set-up with Apple File Server and Bonjour Services enabled. With my NetGear WGR614, the hard drive would automatically appear in the Shared Devices column in Finder. The only way I have been able to achieve this same outcome is to log into the drive using Command-K and then adding it to the Login Items in the Accounts Preference Pane. This is so it will automatically appear connected in the Shared Devices column after a restart.
I have spent the morning searching many and varied forums for a solution, but almost all entries deal with USB connected drives.
If anyone has some information they would like to share, it would be greatly appreciated.
Many thanks in advance.
Rodger.

Solved on the MacTalk.com.au forums.
http://forums.mactalk.com.au/33/50669-lacie-1tb-big-disk-not-mounting-shared-dev ice.html
Thanks to all who viewed this post.
Rodger

Menu bar items disappear, and external hard disks not mounting

Hi,
This problem started yesterday. I start up my Mac, and none of the menu bar items in the top-right of the screen show up. Then I noticed that none of my external hard disks had mounted.
Looking at the Activity Monitor, I saw that sustemuiserver was not running.
Reading around, I discovered that this usually follows a FrontRow hack (which I haven't installed). I tried deleting the ~/Library/preferences/com.apple.systemuiserver.plist file and logging out and back in again. Everything seems to work again, for a while. However, the same thing happened this morning.
Has anyone else experienced this, and anyone know a fix to stop it from happening?
Thanks!
Tom

I've been having the same problem for a while (I believe since 10.5.3). I have reinstalled OSX, installed OSX 10.5.6 combo hoping that it would fix it, but nothing yet. I have the problem only when I insert an expresscard into the slot and restart. It connects to a PCI expansion chassis. When I restart with the ExpressCard installed, all menu items dissappear and I can't eject volumes (hard drives) from the desktop. If I restart without the ExpressCard in, the menu bars seem to work properly. I tried with an older G4 running 10.4.11, with a CardBus card and the same chassis, and that worked fine... all menu bar items displayed and worked properly and I could eject disks.
I have also tried creating new users, but that didn't work either.

SOLUTION - USB 3.0 External Drives Not Mounting on MBP Retinas - SOLUTION

So I have been having the same problem as everyone else who has issues with USB 3 external hard drives not mounting on their MBP Retinas. My friend told me to try unplugging the USB cord and plugging it back in instantly (like in half a second, so as to not let the power turn off on the drive). I had my doubts but then I tried it just now, and MY DRIVE MOUNTED.
GO TRY IT AND SEE IF IT WORKS FOR YOU!
UPDATE: I am using a powered external drive (Seagate Backup Pro 3TB). Not sure if this will work with bus powered drives, but I think it might, as my friend might have been using a bus powered drive.
Also, I just bought two Hitachi TOURO 750GB bus powered portable drives (7200rpm/USB 3.0) and they mounted perfectly without problem as soon as I plugged it in for the first time.

Roderick A. Santiano wrote:
So I have been having the same problem as everyone else who has issues with USB 3 external hard drives not mounting on their MBP Retinas. My friend told me to try unplugging the USB cord and plugging it back in instantly (like in half a second, so as to not let the power turn off on the drive)...
Did you unplug the USB cable from the computer or from the external drive? This fix has been posted here previously but it was reported that the cable had to be unplugged from the device, not the computer. If the cable was unplugged from the computer instead, the fix didn't work.

External disk not recognized after lateset mavericks update

Just updated my MacBook pro Retina to 10.9.5
since then, my external hd WD My passport Ultra does not mount on the finder. It is visible in Disk Utilty, but is greyed.
ANy suggestions?
Thanks

the WD ext disk has just appeared on desktop and did the usual back-up process...
Yesterday I checked it several times and disk utility even told me that the ext disk should be repaired, which it failed to do...
now it is working again. (must have just needed a good night's sleep...)
Should I still be worried? Any comments, please?

Seagate Goflex external drive not mounting

Upgraded to Yosemite with no problems. However my Seagate 3tb external drive will not mount, but it is recognized in the disk utility and it is recognized on a pc but will not mount? Is there anything I can do? I tried the goflex thunderbolt dock, Ive tried usb, Ive plugged it into an older imac with 10.7 on it and it says "unrecognizable drive" and gives me options to initialize or eject. Is there anything I can use to just get these files off of here on win or osx?
I have also plugged in two 1tb drives seagate and toshiba and they both work perfectly. And, I have also updated the thunderbolt drivers and all that... I am at a loss of what to do next.

Okay found out the problem, on my exfat formatted drive, after I upgraded to Yosemite it basically created a new partition, a corrupted partition and would not mount my drive. However, I could open it and see it in Disk Utility.
Here's what I did to fix it:
Goto disk utility to see the name of you drive.
Open Terminal and type: sudo fsck_exfat -d disk1s1(this should be the name of your disk)
It will ask for your password then press, enter and it will display all files on the disk.
Then is will ask: Main boot drive needs to be updated?
Type: Yes
It will update and say that you can repair disk in disk utility.
Do that, and it will show up on the desktop.
Link to original forum post if you need more information:
https://discussions.apple.com/thread/4154638?start=0&tstart=0
Hope this helps, it was a headache for about a week but, Ive read osx does not handle exfat formatting very well.

Time Machine disk not mounting after sleep

Greetings,
I am having a problem with the external USB disk (500GB Iomega) that I have set up for Time Machine not remounting after my iMac wakes back up. Nothing I have tried, short of rebooting, seems to cause the Mac to notice the drive. I have tried turning the drive off and back on, but that didn't work, and neither did unplugging and re-plugging the USB cable. (I suppose obviously) Time Machine won't do any backups and complains that "The storage location for Time Machine backups can't be found." Time Machine Set Up says "Next Backup: When Disk is Connected." If I reboot, the disk will show up and Time Machine will commence backups, but then, after the machine sleeps, I have the same problem again.
When I first plugged the drive in last night the computer immediately recognized it, mounted it, and asked me if I wanted to use it for Time Machine. I didn't have to do anything. I then successfully started Time Machine and it did its initial and several hourly backups as expected. Then the machine went to sleep and the disk never came back (short of a reboot).
The computer is a brand new 24-inch, 2.8Ghz, iMac with Leopard installed from the included DVD immediately after opening the box - I did nothing before installing Leopard.
This is my first Mac (I am a Unix refugee) so I may very well be doing something entirely stupid, but surely external disks should still be mounted (or automount) after the computer returns from sleep. What am I doing wrong? I also don't see any way to force Leopard to mount the drive, but I probably just don't know where to look.
To be completely clear... the drive is plugged directly into the iMac on USB, no external hub. There is no networking involved with this disk. I didn't make any kind of settings to the disk (either to the disk itself- there aren't any, or on the iMac when I plugged the disk in). The only thing I did was answer "Yes" when Time Machine popped up a window asking if I wanted to use the new disk for backups. Last time the disk was mountet (before the computer went to sleep again) I ran the Disk Utility and it said the drive was fine.
Thanks,
Mark
P.S. I'm sorry if this has been discussed elsewhere but I couldn't find it. Like I say, I'm new to the Mac and to these forums, so please forgive me if this post is redundant.

Greetings,
intelligenceresigned wrote:
Ok, I went into console, and forced my iMac to sleep to see what the console would show was actually happening. I am not a very computer savvy person, but this is what the console said:
Nov 8 21:50:27 steve-freunds-computer kernel[0]: USBF: 48332.754 AppleUSBEHCI[0x52ab000]::Found a transaction past the completion deadline on bus 0xfa, timing out! (Addr: 3, EP: 2)
I believe this may be related to the problem. The AppleUSBEHCI appears to identify the offending driver/controller as the EHCI controller (Enhanced Host Controller Interface), or the controller that handles usb 2.0 High Speed (usually usb 1.1 and 2.0 Full Speed are handled by something that would be called a UHCI or Universal Host Controller Interface) USB High Speed is the fastest of the three usb speeds and although the interface is compatable with the slower speeds, works rather differently than the other two. Beyond that I'll have to look into what this message means (I'm brand new to the Mac - I've only had this one a couple of weeks).
*Could others that are seeing this problem please post how many usb ports on the computer, not total devices connected to hubs or anything, but actual, physical ports on the computer that they are using?* Experimenting a little, on mine at least, I have not had the problem discussed in this thread when only two (out of the three available) of the physical USB ports on the Mac are used. Again on mine at least, it also doesn't seem to matter what, with the exception of external hubs, is plugged into the ports. Replacing the external drive with a flash drive or iPod Touch produces the same results, so it doesn't appear to have anything to do with the Iomega drive that I started seeing the problem with - it may be that that was just the third thing I plugged in (or not - I realize that I am a sample of one).
It also seems to be that things connected to an external hub continue to work after the other two ports have failed. This is probably why most keyboards (mercifully) keep working - they are usually hubs (Apple's external ones are). I can't guarantee this however because I haven't really tested it - just observed it so far to be the case for me so far. Hubs do work differently than ordinary usb "functions" as the usb spec calls them.
Lastly...
If you have Xcode installed (assuming you have it installed in the default /Developer location) there is a tool in /Developer/Applications/Utilities called "USB Prober" that can provide some useful USB information.
In my case, once a device stops working I see the status of the non-functioning devices reported as:
High Speed device @ 2 (0xFA200000): ............................................. External HD (did not respond to inquiry - 0xe00002ed, might be Suspended)
High Speed device @ 3 (0xFA400000): ............................................. HP Color LaserJet 2605dn (did not respond to inquiry - 0xe0004051, might be Suspended)
And indeed the usb ports in question do appear to be behaving as if the host (the Mac) has them suspended - but I can't be entirely sure. I will try to look into this some more later if I can.
Thanks,
Mark
P.S. To save questions: I've tried all the easy stuff: Switched cables, swapped out the hub I have on one of the ports, tried different devices in the ports (so far an HP printer, Iomega external disk, iPod Touch, and Sony usb flash drive). Nothing resolved the issue. My keyboard and mouse are connected to a 2.0 High Speed hub. I've tried using another hub, but it didn't make any difference.

Time Machine Disk not mount

Time Machine has been making its regular backups but now for some reason, Time Machine is not recognizing the external disk. I have tried restarting the machine, powering off and on the external drive, changing firewire ports and nothing has worked. Does anyone have any ideas I have not tried? Thanks!

Colin1 wrote:
Hopefully the sheer weight of numbers of TC owners complaining about the back-up function not working will eventually move Apple to investigate. I have tried everything and believe it is a problem caused by the OSX 10.5.4 update, at least that's when my similar problems started.
I'm hoping that's what it is. My BRAND NEW iMac + BRAND NEW 500GB TC Can't talk,
It tells me that the TC failed to mount everytime Time Machine starts.
My TC at home (1TB) & this MacBook Pro haven't given me this ever since Feb., until last night. Luckily, I restored to a TC backup from a few days ago on my MacBook Pro & it's backing up fine so far now at home.
My local Apple store is stunned at my work one, though.

Startup disk "Not mounted", needs to be repaired but can't get it to mount

I did a Verify Disk because my HD has been having issues. It told me I needed to backup and reformat, so I went ahead and backed everything up and went to DU in recovery mode.
But when I got there, my Macintosh HD showed up as "Mount Point: Not Mounted", so I did the following:
I clicked on the Macintosh HD from the list and clicked "Mount". It gives me the following:
Mount failed
The disk "Macintosh HD" could not be mounted.
Try running First Aid on the disk and then try mounting.
So I click "Verify Disk" and it gives me this:
Disk Utility stopped verifying "Macintosh HD"
This disk needs to be repaired. Click Repair Disk.
So I go to click Repair Disk but it's grey and cannot be selected, I assume because my drive is not mounted.
So how can I'm in a paradox and REALLY need help with getting my startup drive mounted again. Can anyone help?
Let me know if I can provide more info for troubleshooting and thank you in advance!

Install or Reinstall Mavericks or Mountain Lion from Scratch
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
OS X Mavericks- Erase and reinstall OS X
OS X Mountain Lion- Erase and reinstall OS X
OS X Lion- Erase and reinstall Mac OS X
Note: You will need an active Internet connection. I suggest using Ethernet if possible
because it is three times faster than wireless.

External Drive not mounting anymore. HELP!

I was messing with permissions. I was trying to restrict others from using my external drive. I do know that I never removed myself. Now I see that my external LaCie 250GB drive will not mount. Both 'Disk Utility' and 'Disc Warrior' see and 'repair' the hard drive, but it still does NOT mount on the desktop. What can I do? Please help!
Robert
Dual 2.5 GHz G5 Mac OS X (10.4.3) 60GB Video iPod

I opened a 'Terminal' window and discovered that it appears I changed the owner. My username is bobbysteele. I changed it from 'admin' to my username (it's truncated - bobbyste). The permissions on the external drive are as follows:
d---rwx--- 16 bobbyste bobbyste 646 Jan 7 08:01 Jukebox01
It appears the permissions should be drwxr-xr-x because that is the setting for all other drives and folders. How can I change the permissions? Please help.

USB3 disk not mounted after iMac sleep

I have a Samsung D3 USB3 external HDD connected to my late 2013 iMac 27". I have 'put hard disk to sleep when possible' unticked in power management preferences. After the iMac has been slept and then woken, sometimes the USB3 disk does not mount. When thsi happens, the device is not even visible in Disk utility and needs to be unplugged/replugged or powered off/on to be recognised again.
I have two of these same disks and both behave the same so it is not the individual unit that has a problem. Seems like either a firmware problem in the disk or some OS X bug.
Anyone any ideas on a solution or knwo of any way to force a USB device rescan from terminal.
Thanks.

Certain WD drives are known not to respond to Energy Saver settings. See Western Digital “My Book” drives.

External hard not mounting

Upgraded to Lion last night on a macbook pro. Now my external hard drives will not mount. Get the following error message. Is there a fix. Cant reformat because they are 2tb disks mainly full of data.
NTFS-3G could not mount /dev/disk2s1
at /Volumes/PenfoldPC because the following problem occurred:
/Library/Filesystems/fusefs.fs/Support/fusefs.kext failed to load - (libkern/kext) link error; check the system/kernel logs for errors or try kextutil(8).
the MacFUSE file system is not available (71)
They worked perfectly in Leopard

Your external drives must use NTFS, and you were using MacFuse to write to them, which does not support OS 10.7.x yet, i suspect this might be because it's a 32-bit kext and lion defaults to 64-bit kernel mode? don't quote me on that. But if true you might be able to use MacFuse if you force lion to boot into 32-bit kernel mode.
However it might be better to uninstall MacFuse which hasn't had a release in a long time, and use OSX Fuse instead, which is supposed to support Lion:
https://github.com/downloads/osxfuse/osxfuse/OSXFUSE.pkg
You need to uninstall MacFuse first, If you have the latest version installed then there is an uninstall button in the macfuse pref-pane (look in your system preferences), if not then you run the uninstall script manually by pasting this into your terminal (it will ask for admin password):
sudo /Library/Filesystems/fusefs.fs/Support/uninstall-macfuse-core.sh

Seagate goflex 2TB external drive not mounting Yosemite.

Hello:
I have been using a Seagate golfer 2TB external HD for time machine since 2012. No problem with subsequent OS X upgrades. My last backup was performed 3 months ago in an iMac with Mavericks. Today I have a new iMac with Yosemite. Due to the new iMacs does not have firewire connectors, I had to buy an Apple adaptor from FW to Thunderbolt. When I plugged in the HD it did not mount. Checked the cables, changed HD connector, tried my MBP, changed the cable to a USB that comes with the Seagate and nothing happened. Run disk utility and the disk appears, but the information related to storage, number of files is unavailable.
I checked in Seagate webpage and found a software called Seagate dashboard. I installed it and run test feature. After the test the HD finally mounted but came with a warning that says something like this: "OS X could not repair the disk. Backup your data and reformat the drive". Run disk utility and all the info appeared. However, when I run migration assistant to migrate all my data to the new mac, the app does not find the external HD. Tried to run Time machine and it is not found, either. The only thing that I could do is to double click the icon in desktop and found that the Backups.backupdb file is there with all my backups.
Considering that the external drive is having problem, my question is: Can I "move" the Backups.backupdb file to the desktop of the new iMac, repair or erase the external HD using disk utility and then move again the Backups.backupdb file to the EHD to see if it works?.
Thanks.
Franklin.

Thanks Dan.
While I waited for an answer I decide to install a Seagate app called "Seagate Dashboard". This app have a feature that "test" your HD. I run it and I got a message that said something like I the disk has damaged and has to be repaired, please back up your data. After that the HD finally mounted in my desktop.
So, ok I have a dilemma: try to enter in my HD and drag the files I needed or pay a specialist to fix my problem. I chose the first one, drag and drop.
And finally I had success. I could enter in the backup the Time machine did and drag all the files I needed. As a matter of fact, I tried to use Migration Assistant and it worked perfectly.
My conclusion: I had luck, the pure one.
Now I decided to have two back-up instead of one. And accident can happen again I could not have the same fortune.

15" Retina external disk not mount

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