External hard drive not recognized on new macbook

we have an external harddrive that we used as the time machine for our previous imac. we just bought a macbook pro, and the harddrive is not recognized and does not show up on the sidebar. it is however shows up on disk utility but i dont know what to do with it/how to get files from my old time machine. please help! thanks

The hard drive will not show up on the sidebar or desktop unless Finder preferences are set to do that:
In Finder's General preference section, make sure "External disks" is checked in the list of things to show on the desktop if you want to see them there.
Likewise, in Finder's Sidebar preference section, make sure "External disks" is checked in the "DEVICES" section to see them automatically appear on the sidebar.
But you don't need to do either for the MBP to recognize the drive, or to get files from its Time Machine backup set. To do that, you should use the Time Machine "Star Wars" interface. Pondini's FAQ's (already mentioned) tell you how to do that. Tip 17 is particularly relevant.

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WD External Hard drive not working with new Macbook Pro

I have recently upgraded to a new Macbook Pro and when connecting a WD 1 TB Passport external hard drive, it doesn't appear on the MBP, but when I connect it to my old Macbook running 10.5.8, it appears normally. Is this a problem with formatting or an issue because it is USB 2.0...
Any help appreciated as I have a lot of data on the hard drive and would like to be able to use it with my new MBP.

I'm on Lion, with similar issues with two WD external HD. But what I found fixed the problem was to:
1. go to the manufacturer's website (in this case Western Digital),
2. locate my external HD, download the download.
For instance, I downloaded the WD Drive Utilities for Mac (for My Passport for Mac USB 3.0):
http://support.wdc.com/product/download.asp?groupid=219&sid=157&lang=en
Install the downloaded app.
3. Plug in external (this part, I think is important) directly into your tower or laptop (as opposed to through a USB multi-plug extender). Possibly this is because you access more power?
[I'm trying to remember in which order everything happened. But I think at this point the external hard drive mounted]
4. Install the software that is found on the external HD (in my case, it was a brand new device, so that had never been installed).
5. Run "WD Drive Utilities" and run diagnostics.
6. Test to see if it holds. Unmount the External HD. Unplug. Replug in and see if it mounts.
Note: I have not yet tested to see if plugging in the external somewhere other than directly into the tower also works. But I think the main problem is getting it to mount the first time and installing the software. That's what I think.

External HArd Drive not recognized by MAcBook Air

Hi,
I bought an external hard drive(from LaCie) few months ago and plugged it once to my Macbook Air. I tried to plug it again last month and my MacBook Air didn't recognize it. I also tried to plug it in a PC and not recognized as well.
I've been told to check in the disk utility folder and to format (erase) my hard drive in order to have it running again, but even in the disk utility, hard drive is not recognized.
If anyone had the same problem before, i'd be gratefull of some help.
Many thanks

what lacie hard drive did you buy?
some hard drives require power supplies. if your hard drive requires one make sure it's firmly connect at both ends. If you haven't done so try another outlet. Also some lacie hard drives have a 3 mode switch on the back. make sure it's set to on, if your hard drive has a switch.
Some of the lacies hard drives have a blue button on the front. try another cable. see if the hard drive shows up as a USB device.

What to do if an external hard drive is recognized on one macbook pro but is NOT recognized on another?

Attached a friend's external hard drive to my MacBook Pro and it wouldn't mount (Finder is set to show external disks), though I could clearly hear it functioning. However, if it's plugged into his Mac, it is recognized.
Thanks in advance for any solutions and apologies in advance if this has been a topic before.

Reset the SMC and NVRAM:
http://support.apple.com/en-us/HT201295
http://support.apple.com/en-us/HT204063

External hard drive not recognized in Finder or Disk Utility

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That whirring noise might be due to physical damage on the disk. I know data recovery services are costly but that remains only the solution for damaged HDD. You can get latest quotes on services from different dealers. Proceed only when your data is very important to be recovered.

WD external hard drive not recognized after improper eject

I have a WD Passport external hard drive that I've been using for a while with my MacBook Pro. The cord got yanked, causing the drive to improperly eject. Now my computer isn't recognizing the HD. Help! Of course EVERYTHING important is on this drive!
I tried plugging it into a Mac desktop, which also did not recognize the drive.
I plugged a different Passport into my MacBook Pro, and it was recognized, so I know it's not the USB Port that's causing the problem.
I used the cord from the HD that mounted with the problem HD. Didn't mount with the new cord. So I know it's the passport that's causing the problem, not the MacBook, not the USB port, not the cord.
I ran the disk utility, and the HD does not appear...It is powering up though- the light on the HD is lighting up. Oh please help!
Did I kill my disk? Of course I just moved my entire iPhoto library to this location, and I haven't backed it up yet....

No. It may just require a 00 Phillips driver depending upon the enclosure. Do the swap on a towel so that the little screws don't bounce away from you. You will have to pull the HDD out from the connecting plug. Do it in a straight line,don't bend it, and you may have to slowly increase pressure to get it out of the connecting plug.
It's not rocket science.
Ciao.

External hard drive not recognized by Mavericks?

I have a Western Digital My Passbook 500GB external hard drive connected to my MacBook Pro via USB.
It worked fine until I upgraded to Mavericks. Now it is not recognized at all in my Finder.
When I go to Disk Utility, it finds it and says "not supported". When I do "disk verify" it says it needs to be repaired.
When I try to repair it, it says it can not.
What do I do?

See: http://wdc.com/wdproducts/wdsmartwareupdate/wdsmartware.asp?id=wdfGeneric&os=mac
WD SmartWare update highlights:
Mac release 1.3.6 (updated 11/25/2013)
Fixed an issue related to reports of some customers, under certain conditions, experiencing data loss when updating to Apple's OS X Mavericks (10.9).For more information on this issue, please click here.*Please note that if you have a previous version of WD Drive Manager installed on your computer, this software package will automatically uninstall the old version and install a new version.

Reformating external hard drive for use with new MacBook Pro

I'm trying to figure out how to use an existing external hard drive (formatted for a Powermac G4) with my new MacBook Pro. I understand that the file formats are different and that I need to erase the hard drive and reformat it with a GUID partition, but how does one do that?
I've already erased the drive with disk utility (using the old Powermac) and connected it to my MacBook with the hope that it would be recognized. No dice, alas. It doesn't mount at all.
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My external harddrives all work just fine with the MacBook Pro. You shouldn't have to reformat anything. I think if you did then it would not be backwards compatable with the older systems. Stick it back in your old computer and try to mount it again, repair permissions shutdown your macbook pro and connect the external drive then reboot

External Hard Drive not recognized.

Hello everyone,
I have a probem where my external hard drive is not being recognized by my late 2009 iMac.
The hard drive is an OWC Mercury Elite-AL Pro connected to the firewire port.
It was working fine till this happenend:
I keep all of my iTuned music on the external hard drive.
I was using a meta tag fixer type program.
I dragged the files from itunes into this program (Tune Up) to fix the meta tags.
However, I missed the program and dragged thusands of .mp3 files onto my desktop.
My computer, of course, became unresponsive.
So I used the power button on the back of the iMac to shut it off.
I used my MacBookPro to connect to my iMac as a target drive, and deleted all the .mp3's from the desktop there.
Once I restarted my iMac everything was fine, except that the external hard drive has not been able to be recognised ever since.
The same drive shows up just fine on my MacBookPro.
Help!
Thanks!

I had the exact same problem! I had to force shut down my iMac (24in, Mid 2007) due to a system freeze. After restarting, everything was working fine, except for my external 1GB G-Drive, which was connected through FW800 port.
The drive connected fine to my MacBook Pro, but it would not be recognized by my iMac. I tried restarting, but neither Disk Utility, nor System profiler would see the drive.
What worked though, was Resetting the System Management Controller (SMC):
1.          Shut down the computer.
2.          Unplug the computer's power cord.
3.          Wait fifteen seconds.
4.          Attach the computer's power cord.
5.          Wait five seconds, then press the power button to turn on the computer.
The drive mounts fine now. I am surprised this is not mentioned by Apple in their support documents! It has happened twice to me and it was the only thing worked both times. The link for the resetting the SMC is here:
http://support.apple.com/kb/HT3964?viewlocale=en_US&locale=en_US
Hope this helps solve your problem too.

Using my iTunes library from an external hard drive to a brand new Macbook.

This seems to be such a simple thing to be able to do but I'm fearing it's not. Basically I've had an iMac for 3 years and during that time have built up around 165gb in my iTunes folder. So I learnt off the net how to move my library onto an external hard drive so that I can free up the space on my iMac and play my iTunes library from the external drive. So far so good. My iPhone 4 is obviously connected to my iMac and thats how I get my media on and off the phone. Here's where my problems begin.
I've just bought a Macbook Pro. Its obviously empty and has no media on it. I have paired my iPhone 4 with the new Macbook but obviously the iTunes library on my new Macbook is empty. I downloaded a couple of podcasts onto my new machine and tried to put them onto my phone but got a message saying that the podcasts I currently have on my phone (that are on there from my iMac iTunes library) were going to be deleted and the new ones would be put on. Still with me? So, if I could get my original 165gb library thats now on my external hard drive to be seen on my new Macbook that would possibly solve my problems. But I cant see a simple way of doing this. I've pointed the iTunes Media Location folder in the preferences on my new Macbook to the same folder on my external hard drive as is on my iMac but iTunes on my Macbook is not showing up my library. Do I really have to open every album into iTunes on my Macbook seperately? It seems such a stupid, laborious way of doing it. As if you cant have two Apple computers and run one iTunes library off an external hard drive so that its the same on both machines.
Help!
Message was edited by: Eels290776

Eels290776 wrote:
if my external hard drive is not connected to either of my machines, and I download something onto my iMac and then something different onto my Macbook, where are my machines going to be storing the new downloaded media
when the drive is not connected, +iTunes media folder location+ will default back to <MacintoshHD>/users/<yourname>/music/iTunes/iTunes music (or media)
and when I next connect the external hard drive how will I easily get the newly downloaded media onto the external HD
you'd have to point +iTunes media folder location+ back to the external via preferences > advanced > iTunes media folder location, then file > library, organize library > consolidate files
and essentially, to have it easily readable on both machines?
in that case it might be best to copy the entire iTunes folder to the external. then, on each machine, launch iTunes while pressing option on your keyboard. when prompted, click on +choose library+ and navigate to the iTunes folder on the external.
note only one iTunes can access the iTunes library @ a time !
also, make sure the external is mounted on either machine before launching iTunes.
JGG

External hard drive not recognized... help please.

okay, well here is the story:
my iBook G4 had its stock 30gb hard drive in it and it was running extremely low on space. so i figured i didn't want to carry around an external hard drive, therefore i would buy an internal hard drive an install it. so i purchased a new 2.5" 80gb hard drive and called up the local apple store. they told me that although it was under warranty, that it did not cover hard drive installation. so i looked it up online and found step by step instructions to install the hard drive. so after lots of hard work and many screws, i installed the new hard drive successfully... but i still had this perfect 30gb hard drive. i thought maybe to save a few bucks i could turn it into a usb external hard drive. i found an enclosure for the hard drive and a usb 2.0 cable and plugged it into my ibook. it was recognized and everything. i put some files on the external hard drive and transferred it to another mac. this is where the trouble started. i plugged the hard drive into a PowerMac G4, and it was not recognized... so i tried it on a different mac. this time on a PowerBook G4, but no luck. this issue has been troubling me for a few weeks. but then i tried it on a similar iBook G4... and it was recognized. but i don't know why it was only recognized only on the iBook G4 (not the same iBook G4 it was pulled out of) and no other macs.
does anybody have any ideas what we can do to get this hard drive to be recognized by other macs?
any of even the smallest ideas would be greatly appreciated.
thanks,
tyler
iBook G4 Mac OS X (10.4.3)

I can walk you through formatting the hard drive:
1. Hook it up to an iBook that recognizes it.
2. Go into your Applications folder, then scroll down to Utilities. Open Utilities and scroll down a bit and you should see Disk Utility. Double-click.
3. On the left side you should see your internal hard drive and your external one. Each hard drive will have a sub-catagory with the partition indented.
4. Your external hard drive will probably be the second catagory. Click it.
5. In the center-top you should see the tabs First Aid, Erase, Partition, RAID, and Restore. Click the Erase tab.
6. You should see Volume Format: and then a drop down menu, and Name: and a text box. Type in the name you want the external hard drive to be named.
7. In the drop down menu, select Mac OS Extended (Journaled).
8. Then, simply click Erase, watch the progress and it should be good to go!!
Hope I helped you out. Oh, and it might be the enclosure...and also what OS's? Since it's USB it is probably using a USB Mass Storage driver. Mac-wise, if formatting doesn't help, I would get a FireWire enclosure because FireWire is much faster than just USB 2.0. Oh, thats nother thing...Is the enclosure Hi-Speed USB? If it isn't, I would definitely get a FireWire one...If it is, the PowerMac G4 doesn't have Hi-Speed so you're not taking full advantage..Just some insight
iBook G4 Mac OS X (10.4.3) 512 MB Ram, CD-RW Combo Drive, 40 Gig HD, bought in October of 2005...
Message was edited by: Hilary_Rose

External hard drives not recognized by imac

I am a new Mac user and have been having lots of trouble getting my external hard drives to mount. I have a simpletech and a seagate external hard drive both NFTS formatted neither of which is recognized by my iMac. They don't show up on disk utility or system profiier under USB ports. They both work on my PC laptop and a friends iMac (OS 10.6.4) just fine. I have a card reader and flash drive that work perfectly on my iMac. Apple support orginally thought it might be the logic board so they replaced it. The new one is having the exact same problem. Does anyone have any idea what could possibly be the problem?? This is driving me insane.

I'm having exactly the same problem with a new iMac purchased one week ago. I have two Maxtor drives and one WD, all firewire 400 drives, all of which mount briefly and then unmount and will not mount again. I am not new to Macs. The drives work fine on the older PowerPC Mac running 10.4.11. These drives contain my backups and aren't recognized by the new iMac. I cannot believe that 3 external drives are all going into failure mode at the same time since they were all purchased at different times and only used as backup drives, so they weren't on all of the time. Is there an incompatibility between 800 and 400?? I'm using a LaCie 800 to 400 firewire cable. Suggestions??

Help Please: External Hard Drive not accepting files from Macbook

My Desktop is a PC.
My laptop is a Macbook.
My External Hard drive is a Belkin High Speed USB 2.0 External Drive Enclosure Kit.
I am new to the Mac.
The Macbook recognises the External Hard Drive when plugged into a USB port. No problem.
I can drag any file from the external hard drive into the mac. No problem.
But I cannot drag any file from the Mac back into the External Hard Drive. (Jpegs, PSD, Doc etc-no file is accepted)
When I drag the file from the Mac to the External Hard Drive I get this message:
"The item “filename“ cannot be moved because “folder(external drive)” cannot be modified.
I did a get-info on the external drive and got this information-
'Format: Windows NT Filesystem
Ownership and Permissions: you can only read'
It defeats the purpose of my working on my laptop if i cannot bring the files back 'home' to the Hard Drive-What can I do to be able to bring files back into the external hard drive? Can someone please advise me?
I look forward to hear from you.
(My email address is [email protected])
Macbook Mac OS X (10.0.x) 13.3" Intel Core Duo 2.0GHz Laptop
Macbook Mac OS X (10.0.x) 13.3" Intel Core Duo 2.0GHz Laptop

if these macbooks are dual core(?) supporting mac and
windows is there not a way for me to work on a
file,save the file in windows and then drag it into
the external hard drive?
i guess not?
Not really.
On a related note and as an alternative, someone posted a way that I didn't think about which may get around having to do all that:
http://discussions.apple.com/thread.jspa?threadID=630540&tstart=45
i guess i'll have to go the partition route. all my
important files are on the external hard drive-who
can i trust to do this and how much can i expect to
pay for it?
I think I would try the above networking route first before playing around with the partition on the external.
I think it should work so long as the external drive on the PC is shared.

Panther crashed now external hard drive not recognized

I was away and a person that lives where I work on my computer set up his computer right next to my G4 iMac. When I looked at the screen it was trying to boot into start up mode but wasnt making it. I firgure it must have been caused by all the pluging and unpluggung.
I tried the resart disk but still has problems, so I reinstalled 10.3.9 al over again. Now its working but it doesnt reognize my external Lacie hard drive.
Ive tried restarting a cople of times, I cant firgure out what could be the trick.
Has anyone any ideas?
iMac Mac OS X (10.3.9)
iMac Mac OS X (10.3.6)
Mac OS X (10.3.6)

I would try the Combo; it's worth a try!
I don't know if the following will help with your issue , since it shows up in Safe Boot, but here it is.....
External hard drive spontaneously unmounted? Try these tips:
NEW FIRMWARE: Try updating your external hard drive's firmware, which is available from your drive manufacturers Web site--or just use VersionTracker's (www.versiontracker.com) search function to find it. Be sure to back up your data before applying the update, and carefully follow the manufacturers instructions.
OUT OF iSIGHT: If you're using an iSight camera while you're using a FireWire drive, the camera may be interfering with the drive's ability to stay mounted. Try temporarily disconnecting your iSight and moving it to a separate FireWire port. If you have multiple FireWire devices, try using a FireWire hub.
POWER PROBLEM: A faulty power adapter could be causing your drive to unmount. Your drive may not be getting enough juice to stay on, causing the drive to turn off and thereby unmounting it from your Mac. Alternately, the power adapter may not be providing a steady amount of power, causing your drive to turn on and off. Try replacing the adapter. If you can't get a replacement adapter from the hard drive manufacturer, try your local electronics store. Just make sure the adapter you choose has the same connector and input/output voltage. you can find the input/output voltage on the adapter itself.
Cheers!
DALE

External hard drive not recognized to install

I have a MacBook from Dec 2008 that I've upgraded to OS X 10.8.4. I just purchased a WD My Passport external hard drive for Mac. It should just open the installation guide when plugged in but nothing happens. I turned off/on the computer, checked for missing updates, tried to manually install the hard drive utilities to no avail. The external hard drive makes a noise and the indicator light blinks when I plug it in the the USB cord (it's configured for 2.0 & 3.0) but nothing shows up on the computer. Does it have somthing to do with upgrading to Snow Leopard/Mountain Lion? Did some driver get lost along the way? The only solution I can think of is that the WD drive is defective, but I hope not. Help is much appreciated.

Hey, I'm trying.
WD website says:
Does my Western Digital Hard Drive require a driver? Where do I get one?
Most current WD drives do not require additional drivers on the Windows or Mac OSX Operating System (OS) beyond the ones that are included with the OS.
In order to simplify the installation process WD elected to use the standard drivers that are built into common operating systems. While there are a few exceptions to this, in general, there are no drivers provided by WD for our drives. That's because the drivers a WD hard drive or SSD uses are part of the Operating System being used. As such, any trouble with these drivers should be handled by the regular line of support for the Operating System in question - in most cases by contacting the system's manufacturer, IT department, or the publisher of the OS.
http://wdc.custhelp.com/app/answers/detail/a_id/1708/session/L2F2LzEvdGltZS8xMzc 3NDczNDE5L3NpZC9pWWl1a0h5bA%3D%3D

External hard drive not recognized on new macbook

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