Seagate USB drives appear on desktop but can't be read or ejected.

I have two different Seagate 1TB USB drives, both formatted as Mac OS Extended (Journaled) using Disk Utilities that work fine on my early 2013 MacBook Pro running Mavericks but cause various issues on my late 2013 Mac Pro (also running Mavericks). The drives will show up when connected to the Mac Pro, but when I try to view the contents of the drives, nothing appears and I cannot eject them. Sometimes, I end up with a spinning beach ball in the Finder. I have run the hardware test on my Mac Pro and no issues were detected. I have also Verified and Repaired the disks using Disk Utilities on my Macbook Pro and no issues were detected for those operations.
I'm figuring this must be some sort of driver issue, but I don't understand why the drives operate fine when connected to my Macbook Pro running Mavericks but not the Mac Pro running Mavericks. I didn't install any drivers on the Macbook Pro to get them to work, they just work.

>> also Verified and Repaired the disks using Disk Utilities on MacBook Pro
... and why would they need to be repaired on the nMP:?
It sounds like there is an issue with the port you use and assume you used the same cable.
Q: Does the case have its own power brick adapter or one of those cheaper and smaller bus powered?
Seagate does have a Thunderbolt docking station which is very nice and convenient, and of course will cost more than a USB3
Generally I recommend avoiding vendor's cases.
Seems like we need more information about the drives and case and interface etc.

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Hard drives appear on desktop, but are inaccessible

Hi.
I recently bought a 17' macbook pro 2.6. I previously had a g4 with four hard drives in it, so I took a couple of them out and put them in external cases. I also have a few external hard drives that were always externals (never in the g4).
The problem I have is that I cannot access one of the formerly internal hard drives. It appears in disk utility and I verified it and there was a minor repair needed (I forget what), so I used the repair function and nothing has changed. The drive icon appears on the desktop, but not under "devices" in the finder window. When I double click on the drive on the desktop, any open finder windows disappear for a few seconds, then reappear, but the drive does not open.
The same thing happens about half of the time with another external drive that was always an external drive. The strange thing is that, even if I can't open the drive, iTunes can access the music files and library on that drive. These drives work fine on my wife's macbook (2.16, running 10.4).
And as if that weren't strange enough, about half of the times that I select "documents" from the "places" menu in the finder window, the same thing happens (finder windows disappear for a few seconds and the documents folder doesn't open), yet I can access my documents folder through my home folder.
The other drive I pulled from my g4 is currently my time machine drive and has no similar problems. Two other external drives also have no problems.
Does this ring any bells?
Thanks,
Bruce

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I would like to use time Machine to back up to a network SMB drive. I can see the drive on my desktop but it will not show in the time machine window to be able to select it

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Can this be done
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The supported targets for Time Machine backups are local (direct-connected) disks, and network targets include Time Capsule, a disk hanging off the current-generation AirPort (though not earlier AirPort devices), and OS X Server systems.
The Time Machine storage is based on the HFS+ file system, so I would not expect TM to work with SMB file services.
While there are hacks to allow Time Machine to access network drives, I would not consider those to be reliable. Skim the forum and the 'net for related details, and for previous discussions of setting this up and the related issues that can arise.
Remember to test the recovery with whatever you decide to use; whole point of backups is the ability to restore the data, after all.
If you want to learn more about Time Machine, Pondini is an excellent resource.

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If you are having issues receiving email for one of your accounts on your iMac, you may find the following article helpful:
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Seagate USB drive always disappearing from desktop

I have a 2TB Seagate USB 3 drive, which is "backwards compatible" with USB 2.0.
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Soundzalive wrote:
... Sounds like a new hard drive?
Yes. Read this to determine if it applies: iMac 1TB Seagate Hard Drive Replacement Program
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Schedule a visit to the Genius Bar using the link in the above document, even if it indicates your iMac is not eligible for the replacement. Only Apple can make a final determination.

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Hey there,
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function(){return A.apply(null,[this].concat($A(arguments)))}
~graffiti wrote:
What happens if you open an older PDF in Acrobat and do a "save as"? Does the icon come back?
graffiti - thanks for the reply. I did as you suggested but it didnt work. Now some icons are showing up but I dont know why nor do I know if this is a adobe issue or a windows 7 issues. While googling it looks like each side is blaming the other. Here is a screen shot. Some icons appear and one does not. I opened it and re-saved it but still doesnt show a thumbnail.
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Ok, I have spent since a day or so since the first of this month trying to solve this issue. I use Hostgator, which shouldn't be an issue, but it seems to be. I have on my phone all my emails that are being hosted by hostgator set up as fetch, and it recieves my emails fine. My desktop though, can't. It can see the servers, and send emails, but it can't do anything but. It can't even download the emails I sent to myself, but when I go on web mail I can see them all.
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I put the computer is Safe Mode, and I could recieve the emails, but when I put it in normal mode, the emails don't download. I use Avast! Anti-Virus, I use SugarSync, I use Splashtop, And Free Memory Pro.
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I have not seen that review before and the only thing I take issue with is
the authors of Clam AV for Mac, apparently do not understand these concepts. Both the admin and limited user can only scan files w/in "<user name>/documents". 99% of the files on a Mac are outside of "/users/<admin>,<other user>/documents. What good is a antivirus scan, that has no access?
There is only one author and I can assure you that he fully understands the permission issues involved. He is committed to follow Apple security guidelines in this matter which say that even an admin user should not be able to see files and folders belonging to other users without their explicit permission. I realize that there is a lot of software that ignore this rule, including virtually all other A-V software vendors, but I don't think he will ever budge on that subject. I'm sure this same limitation applies to any other A-V software downloaded from the AppStore.
ClamXav will scan any file or folder that the current user has read access to. For an admin user this is by far the majority of the files on the hard drive, not the 1% indicated by the reviewer. For a limited user, that would be reduced to only files that are owned by that user and any other files readable by "everybody".
I realize that it has widely been suggested that users not routinely operate with admin rights, but I'm guessing the number of users that are actually practicing that are minimal. Novice users won't see that guidance and most of those that do won't be able to figure out how to accomplish that. Experienced users may give it a try, but quickly get tired of switching back and forth to do their admin duties. To me one of those admin duties would be to run ClamXav periodically to pick up anything that may have slipped by, especially when there is more than one user using the computer. Each of those other users should also be using ClamXav to inspect their own files. Of course a limited use user can use an admin userid and password if they know it to do installations, etc., so it is possible to slip something by.
In the case of the web site version of ClamXav, a limited user can run Sentry to watch all of the entry points to the computer, including the download folder, e-mail and any external drives he has access to. That should detect any currently known malware, including Windows, before it becomes an issue.
Lastly, as far as I have been able to determine, all the ClamAV® signatures are for malware that would be readable to an admin user and most by a limited use user. It would be a waste of time to look into the unreadable portions of the System (mostly the Unix sub-system) since there is no currently known malware that would exist there.
What bothers me is that it won't look at files beyond ownership? I know it sounds odd, but I do deal with some form of internet esponage at times due to the type of company I am working on building.
Again, you will be able to examine any files readable by you, any group you belong to or "everybody" as long as they are enclosed in a directory (folder) that you can access. Here's an example of a full hard drive scan I did just the other day as a test:
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Scanned files: 914610
Total errors: 692
The "errors" are almost certainly files I did not have read access to as an admin so I was able to scan 99.9% of the files I had access to.
Disk Utility tells me I have 1,150,506 files at the moment, so I scanned about 79.5% of them.

Mini will open to desktop but can not open any apps

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Does the mouse seem to be working?
Could be many things, we should start with this...
"Try Disk Utility
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2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)
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http://docs.info.apple.com/article.html?artnum=106214
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If perchance you can't find your install Disc, at least try it from the Safe Boot part onward.
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Seagate USB drives appear on desktop but can't be read or ejected.

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