External Hard drive and dmg files not mounting

External Hard drive and dmg files suddenly not mounting. Im running Mavericks on 27" iMac. Anyone have a fix or has anyone else suddenly had this problem? There was a Mavericks update a few weeks ago, but things were fine until today. This is weird. Ive checked in disk utility and can see one of my two external HD's, the one that I back up. But not even this will mount. Ive tried repairing HD thinking it was damaged but now see that all my ext hd's suddenly dont mount. Ive tried several mac restarts.

Solved the problem. My external HD is a WD (My Book Studio). I needed to install updated driver manager and this fixed it:
http://support.wd.com/product/download.asp?groupid=114&sid=62&lang=en
If you have a WD external HD goto the above link and search for your model and a list of updates will be shown, Yay!!

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Can I connect an externa hard drive and access files from 2 or more computers wirelessly?

Is there a way to connect an external hard drive to my linksys modem and access the files wirelessly by 2 or more computers?
I have a wireless G wrt54G modem working on windows XP a desktop and laptop on my home system. I have a WD “my book” external hard drive with a usb interface. My modem does not have a USB interface.
At work I also have 4 laptops using XP and vista and looking to have them all access an external hard drive and printers. I have not selected a hard drive for the work system.
If yes can I add 2 or more printers and print form all connected computers?
If yes, is it possible to access the files of the external hard drive (home system) via the internet?
Thanks in advance for all your help

First, your WRT54G is a router, not a modem. Different function.
Yes, you can "connect an external hard drive... and access the files wirelessly by 2 or more computers," just not that external hard drive. You need one that supports network attachment, with an ethernet connection.
And you can print to printers from various computer, again if the printers are made to support that.
The answer to your last question is maybe. Oh, it's definitely possible, but may require learning about static IP addresses, dynamic DNS, firewalls, port forwarding, file sharing...

External Hard drive and .avi files ?

Ok so I just got an Iomega 500 GB external hard drive. I am using it mostly to transfer a lot of movies from my Mac hard drive. Most of these movies are .avi, and I've just recently noticed that when I connect the external hard drive to my computer or another computer and open these movies.. the quality is significantly lower. Way worse than the original copies on my mac hard drive.
Is there a way to copy or transfer my movie files to the external hard drive while retaining its original quality?

Hi,
If you are able to successfully transfer your .avi files from your laptop to your external HD, there is no way to you should loss in quality. When you observe the loss in quality, you are reading your .avi files from your external HD!?
You might observe some lag due to the transfer of data from your external to your software on your Mac that reads the .avi files, but if not, I really can't see where that loss in quality comes from. I've been reading .avi files for years from my external hard drive and I've never seen loss in quality or lagging...
May I recommend you observe which programs use most of the RAM/CPU while you do so in Applications/Utilities/Activity Monitor. Maybe not having enough available RAM is the culprit. If not, you should bring back your external HD and trade it with another to see.

I have tried transferring my iphoto library to my external hard drive and it's not working.

I have a Macbook Pro. I have recently gotten into photography and to save space on my internal hard drive, I bought an external hard drive to keep all of my photos on. It's a Toshiba with 1 TB of memory. I have searched and searched on how to transfer my iphoto library to it and I'm getting the same answer. I open two finder windows, one with pictures open, the other with the external hard drive open. I have tried to drag the iphoto library icon to the second window to the external hard drive and instead of it staying there and loading everything it gives me the circle with a diagonal line through it and floats back up to the pictures finder window. I'm not sure what the problem is, but I really need help!

you need to make sure the drive you are moving the iphoto library to is formatted in the mac OS extended journaled format
you can view and/or change this in the disk utility which is found in the utilities folder in applications within finder.
on the left side select the external HD and then click on the erase tab it will show you the format it's currnetly in, if it's not mac OS extended journaled select that from the drop down and then hit the button that says erase.
after the erase is complete try the article i gave you again to move the location of the lbrary and it should work.
good luck

External hard drive and viewing files

I have recently upgraded to a 15 inch 2014 Macbook Pro (OS X Yosmite Version 10.10) and imported all my old iMovie files from time machine without any major issues. I'm now running iMovie 10.0.6 and I have since had to move them to a external hard drive and want to delete them off my computers hard drive to free up space, but my problem is this......the files appear under the external drive in iMovie, but under Finder I can't physically see the actual files on the hard drive. Just a film strip icon with what I named the external drive and some old files. Anyone else had this problem or any suggestions?

IIn iMovie 10.0.6 all Events And projects are saved in one iMovie file!!!!! So no chance to see the created events and projects in old filed and folder structure which is a big **** regarding backups as the one file can be TB big although only a small piece in it has changed.

Hard Drive and Disk Image not mounting

Hey everyone,
I'm running a G5 Dual 2Ghz. with OSX 10.5.8 I'm having problems with a back up hard drive. It is an external Western Digital My Book 1.5TB SATA drive. After using it for a few months, it suddenly did not mount anymore.
*1) It also would not appear in Disk Utility.*
a) Disk Warrior couldn't find the drive (I think because it's formatted with FAT32)
*2) I then took the drive out of the enclosure and put it in the spare bay in the G5.*
a) It didn't mount
b) It did show up in Disk Utility
c) In Disk Utility it wouldn't give me the option to Repair Disk Permissions or Repair Disk
d) In Disk Utility is says under Partition Scheme: Unformatted
e) In Disk Utility I don't have the option to mount/eject only gives me the "info" option
f) Tech Tool did find the drive and it passed all tests
g) Disk Warrior still did not find the drive
h) TestDisk finds the drive, but does not find any partitions
*3) I then created a disk image of the drive in Disk Utility onto an external hard drive. The image comes back at 320GB, which seems to be about right I think.*
a) The disk image would not mount with Disk Image Mounter. It would say there is an Unrecognized File System
b) In Disk Utility - I don't have the option to Repair Disk Permissions
c) In Disk Utility - When trying to Repair Disk - I get the error: Repairing Disk failed with error Unrecognized FileSystem
d) In Disk Utility - If I click Open - The Log file says:
+Attach Image+
Initializing...
Verifying...
Finishing...
+Image of "disk0.dmg" attached successfully+
+Mount of "disk0.dmg" succeeded+
-But it is no where to be found
e) Disk Warrior can not find the Disk Image
f) I took the new external drive with the Disk Image to 3 other mac computers but the image would not mount
*4. Other things I've tried when opening the Disk Image for the new external drive.*
a) in Terminal - hdiutil attach -nomount "volumes/untitled/disk0.dmg"
b) in Terminal - sudo hdiutil attach -nomount "volumes/untitled/disk0.dmg"
c) Deleting files System/Library/Extensions.kextcache
System/Library/Caches/com.apple.kernalcaches
ALL UNSUCCESSFUL
I'm running very low on ideas. I know I could just erase the drive and reformat it, but the files on it are very important and must be recovered.
Any help or suggestions would be very helpful. I will not have time until after the weekend to try more things. Thanks in advance if you do not hear back from me until after this weekend.

Yes, it will. But if DU says the disk is unformatted then it is also not accessible. If you have files you don't wish to lose then you will need to try recovery software:
Basics of File Recovery
General File Recovery
If you stop using the drive it's possible to recover deleted files that have not been overwritten by using recovery software such as Data Rescue II, File Salvage or TechTool Pro. Each of the preceding come on bootable CDs to enable usage without risk of writing more data to the hard drive.
The longer the hard drive remains in use and data are written to it, the greater the risk your deleted files will be overwritten.
Also visit The XLab FAQs and read the FAQ on Data Recovery.

How do I find my external hard drive and move files?

Im totally a non tech person so please bear with me. I have had my imac for several years. I started getting a message every time I went to do anything saying that I didnt have the space available to do whatever I was trying to do. I finally bought a 2tb external hard drive. It didnt come with instructions or anything so all I did was plug it in. The computer seemed to recognize it and something having to do with timemachine came up and I just clicked yes and it did its thing for about 2 hours and it was done. I didnt get the message about the available space again so I assumed that corrected it. Well today when I went to update my software its telling me I dont have the space available for the update. I have no idea what is going on. I dont even see an icon on my desktop for the hard drive, just timemachine. What am I doing wrong?

AS you drag files to an external drive, a little Plus sign + will appear to indicate the files will be copied.
You need to delete some files ASAP. Best to have greater than 2gig of free space. Many posters to these forums state that you need much more free space: 5 gig to 10 gig or 10 percent of you hd size.
(0)
Be careful when deleting files. A lot of people have trashed their system when deleting things. Place things in trash. Reboot & run your applications. Empty trash.
Go after large files that you have created & know what they are. Do not delete small files that are in a folder you do not know what the folder is for. Anything that is less than a megabyte is a small file these days.
(1)
Run
OmniDiskSweeper
"The simple, fast way to save disk space"
OmniDiskSweeper is now free!
http://www.omnigroup.com/applications/omnidisksweeper/download/
This will give you a list of files and folders sorted by size. Go after things you know that are big.
(2)
This will save you a gig of space.
Monolingual is a program for removing unnecessary language resources from Mac OS X,in order to reclaim several hundred megabytes of disk space. It requires at least Mac OS X 10.3.9 (Panther) and also works on Mac OS X 10.4 (Tiger). It worked for me on 10.4
http://monolingual.sourceforge.net/
A detailed write-up on how to use Monolingual:
http://www.jklstudios.com/misc/monolingual.html
(3)
These pages have some hints on freeing up space:
http://thexlab.com/faqs/freeingspace.html
http://www.macmaps.com/diskfull.html

External hard drive time machine backups not mounting

I have used Seagate 500.11 external hard drive as a backup location for the time machine for over two years. I just got a message that it had not updated in over thirty days. It is not listed on FInder, but it is listed on the disc utility. The Time machine backups are grayed out on the disc utility screen and cannot be mounted, even after the repair and verification tests said that their volumes were ok. What should I do?

Time Machine does not create bootable clones. It does not even create a bootable backup. If that's what you prefer then do not use Time Machine.
If you use Time Machine then you must allocate at least twice as much space for the backups than the capacity of the drive you are backing up. A 2 TB backup drive would be suitable for a 1 TB main drive or smaller.
If you plan to create a bootable backup, then partition the backup drive with one partition the size required for the clone. Then use the other partition for you additional storage neeeds.

How to use an external hard drive and copy files to the disk for mac and windows??

please tell me how to copy files to external hard disk and use it for both mac and windows. there is the fat32 formatting bt i dont wanna use formatting because i already have a lot of content on the exteral hard disk. thank you.

It is simplest to have the HDD formatted to noe common to both Mac an PC. ExFAT is one. But to do that will erase all data on the HDD.
If the HDD id formatted NTFS, Mac can read but not write to it. The solution then is to use a third party application such as Paragon or Tuxera which will overcome that obstacle. These applications do have mixed reviews.
Ciao.

Copied Files to External Hard drive and they are not available now.. where

Please help!
I have a G4 that had an original 20GB Hard drive. I installed a 60GB Hard drive. I was running OS 9 on the 20GB drive and OS X on the 60GB. I was working with a lot of video and pics and filled the 60GB drive, so I added an external 250GB drive.
Recently, I received messages that my start up disk was almost full (60GB), so I moved my users file from the 60GB drive to the 250GB. The file size was 47ish GB and so I thought I would create some room. The move took approx. 40 mins as I copied the folder over to the 250GB drive. Once it was there I verified it only by it's size and once I saw that it existed on the 250, I trashed the users file from the 60GB drive and then emptied trash.
I lost the icons and items on my desktop, however, desktop background remained the same. I cannot access anything that I opriginally had. The users file still has the same folders that it did, but they are now relatively empty. Each folder is approx. 50 kB in size but the users folder still exists as 47GB.
If what I have explained makes sense, can someone help me to either copy back my users folder (I tried that, but the 60GB drive still says it is full) or suggest something else (And not that I am a fool, as I figured that one out already!)
I ran Diskwarrior last night to verify the pathways etc. and everything is in order... I am lost... Please help if you can!
Thanks!
David

Dear David,
Did you move the entire "yourhomedirectory" name over to the 250 gig HD and then did you delete the entire "yourhomedirectory" file?
From what I have read, OS X will always be looking for Desktop, Documents, Library, Movies, Music, etc under "yourhomedirectory". There is some way to tell the system that they are located somewhere else but it is kind of hard.
When you mount the 250 gig drive do you see any of the files that you you moved over?
What do you see when you log into the OS X volume. Are there any files for you to see.
Not really sure what you did but let's see if we can get you fixed.
Dan

Using external hard drive for music files NOT in iTunes music folder

Hi there. Due to lacking disk space on my computer I have all my music files (that I had before using iTunes) on an external HD. I can easily import these drives to iTunes (v.8) without copying them to the iTunes music folder. But when I want to synchronize my iPod the next time, iTunes cannot find the files on my external HD and I have to import them all again, delete all the duplicates and - worst of all - do all the playlist sorting again! Is there a solution to this without putting all my music into the iTunes music folder (I would like to keep it separated)? Thanks in advance!

I use an external firewire drive to store my iTunes library on. One thing to be aware of...
You need to go into your iTunes preferences, then to "Advanced", then select the location where you want to store your iTunes Music folder. In my case it is in a folder titled "Music" on my external firewire drive. The iTunes "Library" file is stored on your internal hard drive.
The thing that can cause you problems it that....if you forget to turn on the external drive before you boot up your Mac, the iTunes library file will look for your music folder and won't be able to find it. So a new iTunes Music folder will be created on your internal hard drive, with nothing in it. You'll see all of your songs listed in your iTunes program...but if you try to double click on any of the songs to play them, you'll get an exclamation mark saying "cannot find file".
If this happens, you need to delete the new iTunes Music folder on your internal drive (but not the iTunes Library file!), then quit iTunes, turn on the external drive, then relaunch iTunes....and it will find the original music folder.
It's a hassle that I have had to go though many times, I keep forgetting to turn on that drive before launching iTunes.
Oh, one other thing....about the way you worded your post. You aren't running short on "memory", you are running short on "storage"....they are two different things. Hard drives are storage, RAM chips are "memory" that run your programs.

External Hard Drive via firewire - files not showing up

I have a new external harddrive formatted for mac and keep having the following issue:
when clicking into the harddrive I see folder but when I go to a folder to see the files they are all gone. If I use spotlight to search then I can open the file. I can re-boot and the the files appear.
Anyone have a clue on what this might be. I hate to keep rebooting it is making think I went back to windows
the external harddrive is a seagate

Hi Will
Never seen the problem myself with either of my FireWire Drives, but open Disk Utility in your Utilities Folder select First Aid, then the External HD's icon and run Repair Disk.
Dennis

How can i format my external hard drive to write files from Mac without loosing the files that i alredy have on my external hard when i used it with windows?

How can i format my external hard drive to write files from Mac without loosing the files that i alredy have on my external hard when i used it with windows?
I have been using Windows to write files to my 1TB WD external hard drive and I do not want to format to loose the files capacity of around 500GB
Someone, Please help

Hi Allen,
Is there any way to store the back up to Mac and restore after formating?

I didn't safely eject my external hard-drive and now my files are not showing up on my other computer?

I didn't safely eject my external hard-drive as my imac was in sleep mode and I thought it was shut-down. Now I have turned up to uni and plugged my hard-drive into the uni computers (apple) and the word document I was working on last night (before my computer went to sleep mode, and it may still have been open, I cant remember) is gone.....
I have phoned home and got a family member to try and recover the file. They said they can see it when they open Word under recent documents, however its "ghost" and nothing happens when you click on it.
My question is, when I go home and plug my hard-drive back into my imac, will I be able to recover this word file? or have I lost it forever?

I only saved it to my external hard-drive and saved it at the completion of working on it. However left the document open, went to dinner, and this morning pulled the hard-drive out, whilst the computer was asleep not shut-down and now the file doesn't appear.
I thought when I clicked save then it saved straight away, therefore anything i do after that point (ie a un safe ejection) shouldn't make a difference. Clearly, no matter if you saved the document, if you un-safely eject the hard-drive then the file is lost anyway?

HT1473 Help I just moved my music files to a external hard drive and am using the new crappy version ( i know my opinion) of itunes and cant add the files to my libray it gives me the add file to library option but not the add folder to library option wha

Help I just moved my music files to a external hard drive and am using the new crappy version ( i know my opinion) of itunes and cant add the files to my libray it gives me the add file to library option but not the add folder to library option what am i doing wrong?

In iTunes 11 uncheck the preferences setting in in the iTunes Preferences panel "Advanced > Copy Files to iTunes Media folder when adding to Library"

External Hard drive and dmg files not mounting

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