HT2494 Apple computer is not "feeling" external drive.

I have mackbook pro 13 with retina dispaly, Mavriek OX, I am using external drive 2TB as backup for time machaine. all were fince. I installed parallels and windows 8.1 preview to run some programs. The Apple stopped "feeling" the external drive although when I run diskutility, it's there fully accessable and fully functional. I erase the parallel SW and restart and the problem still exists. Pls help. Thanx

Try disconnecting the drive, turning off for a few second, then turn it back on. Restarting the computer might help also.
If you see the drive in Disk Utility, select it, and try using the mount button in the top menu.

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Can you run the Apple TV off of an external drive with out having to run you itunes? I have a laptop that I am trying to keep all of my music and video on an external drive instead of the laptop harddrive.

Buzz.
External drives can be connected and used in a number of ways.
Connection can be achieved either as an external device to your mac/pc or as a network drive, which can be achieved either through an extreme, a genuine network drive or even I believe with a direct connection to the ethernet port on the tv (with hacks).
Consensus seems to favour keeping the itunes database files in their default location.
If you choose to copy files to your itunes folder in your itunes prefs and let itunes organise your library for you, you will use the external HD for all your media and when it is unavailable so will all your media. You could also organise the library yourself and choose just to keep large movie files on your ext HD, this would mean you can still play non movie files in itunes on your laptop when it is used on it's own, but need to connect the drive for your movies.

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Hi,
I've been using both a Lacie external drive and a standard SD card from transferring files and images on my computer for ages, with no problems. I have two issues, possibly related, possibly not.
1) I accidentally removed my Lacie drive before it had properly ejected the other day. The message that I had done so popped up on the screen so I plugged it back in, (as the Mac will usually fix this when it happens) and it never opened up in my finder. Tried restarting machine, but it still cannot even see the drive. It's an old external drive, and was backed up, so I put the problem down to that and almost forgot about it.
2) Today I plugged in the SD card from my camera to transfer some images. After the transfer, I ejected the card correctly, then reinserted it to do a last job. Again, nothing in the finder. It's like neither of the devices are even there.
I've checked finder preferences to make sure that I can see external hard drives - this is on.
I've done the old fashioned restart too. No luck either way.
An additional point is that my BACKUP drive IS visible in finder.
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I'm worried now that I shouldn't plug in any external drives, especially my work ones, just in case there is something seriously wrong.

Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of this exercise is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login. Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode and log in to the account with the problem. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
Note: If FileVault is enabled under Mac OS X 10.7 or later, you can’t boot in safe mode.
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
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I have an apple TV, A 1TB time capsule and a 1GB hard drive attached to the time capsule. My itunes library is too big for the apple TV. My itunes application is on my laptop and my library is on the storage drive, backed up by time machine.**
My question - Obviously any content I sync to apple TV is available to the whole family but am I right in thinking that all the other content that can't be synced because of size can only be accessed when I am at home with my laptop?
If so then it would appear that mac have invented a fantastic product but made the weird assumption that our home movies, audio and movie downloads will not exceed the maximum size of the ATV unless we buy a dedicated computer! I am not much better off than I was when I simply streamed music through airport or had my ipod connected to my stereo. Because I cant sync my whole library I have to sync only playlists so there is no cover flow, just a list to scroll through same as I had on my ipod!
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Someone please tell me I'm wrong.......

flintonmac wrote:
Thats a rather ragged defence of a poor bit of design.
It's not a defence, it's an explanation. If you don't like the Apple tv model then fair enough but it's not bad design by any stretch of imagination. My point being that Apple tv deliberately moves away from the model you seem to want to follow, you have your right to your opinions but you need to accept this isn't what most people want and why you can now rent 5 disks for £ 10 from Blockbuster.
My main point. If you don't sync your whole itunes library then you have to scroll through a playlist which removes the convenient cover flow interface
Not at all, there is no cover flow and lets hope that if there ever is, it's an option only. Cover flow is very pretty but quite impractical for large libraries.
and leaves you in the same position as you would be scrolling through the content of external drives on any other media player.
Not at all, all the other media players I have reviewed have resulted in a chaotic interface when it comes to searching for media on attached drives.
It would not have been hard for apple to allow itunes to send a playlist that is seen by the apple tv as its entire content.
That's exactly what the Apple tv does. It strikes me that you haven't really taken the time to see how the Apple tv works properly or what it has to offer you.
My secondary point. Apple is behind most other service providers in terms of providing access to new releases and price.
Again that's incorrect, Apple offers similar content to some other online media providers but usually more than most. It's true that in comparison to traditional physical media, it's offerings are somewhat poorer but this is the result of protectionism applied by the movie studio to try to support a flagging physical medium industry, all online suppliers have the same issue with the movie studios.
While I am moaning...... The HDMI connection stays live even in standby so every user has to reach behind the TV when changing from apple to cable tv. Not a reasonable solution so it means that I use the AV outputs instead. If you link that to my second point then yes I can rent DVD's in HDMI but I have to change my cable set up before I do.........
If this is an issue with the Apple tv then it's something that does need resolving, but at this stage you can't say for sure it's not your tv, if it works fine on one port but not on another it sounds more like the tv to me. None of the 5 tv's we have that have an Apple tv connected to them display this behaviour.
Your points are very valid in your case, I'm not dismissing them, just pointing out the model you would seem to prefer is the model that most people are wanting to turn away from, so it isn't bad design, it's just that you don't like it.

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Thanks for responding Chris. I followed the instructions from Apple and moved the music files over to the external drive. I'm not sure what that left of itunes on the old computer. Now I've downloaded itunes to the new computer and even though the external drive is connected itunes library is empty. I can see that all the music files are actually on the external drive, I just don't know how to get the two linked. I'd like to keep all the music on the external drive to conserve space.

Need help with Mac & PC not recognizing external drive (disk not readable)

I am having trouble getting my computer(s) to recognize my Seagate External Drive.
Have tried on my MacBook, iMac, 2 Mini's & my roommate's PC and all reveal the same issue: The Disk you inserted was not readable by this computer.
MacBook/iMac both are working off of Leopard
Both Mini's are on Tiger
It won't show up in finder, rendering it unobtainable. I need to get the information if at all possible off of this hard drive (very important!!) so any help I can get would be greatly appreciated!
It allows me to go into disk utility where it shows up with this information:
Name : ST316002 3A Media
Type : Disk
Partition Map Scheme : Master Boot Record
Disk Identifier : disk4
Media Name : ST316002 3A Media
Media Type : Generic
Connection Bus : USB
USB Serial Number : 3LJ07T540000
Device Tree : /PCI0@0/USB7@1D,7/@4:0
Writable : Yes
Ejectable : Yes
Mac OS 9 Drivers Installed : No
Location : External
Total Capacity : 149.1 GB (160,041,885,696 Bytes)
S.M.A.R.T. Status : Not Supported
Disk Number : 4
Partition Number : 0
And it is in the "about this mac" section with this information:
Seagate Mass Storage:
Capacity: 149.05 GB
Removable Media: Yes
Detachable Drive: Yes
BSD Name: disk4
Version: 0.00
Bus Power (mA): 500
Speed: Up to 480 Mb/sec
Manufacturer: Seagate
Mac OS 9 Drivers: No
Partition Map Type: MBR (Master Boot Record)
Product ID: 0x0500
Serial Number: 3LJ07T540000
S.M.A.R.T. status: Not Supported
Vendor ID: 0x0bc2

Additional info:
on the disk4s1 info in disk utility, this information is seen:
Name : disk4s1
Type : Volume
Disk Identifier : disk4s1
Mount Point : Not mounted
Connection Bus : USB
Device Tree : /PCI0@0/USB7@1D,7/@4:1
Writable : Yes
Capacity : 149.0 GB (160,022,790,144 Bytes)
Owners Enabled : No
Can Turn Owners Off : No
Can Be Formatted : No
Bootable : No
Supports Journaling : No
Journaled : No
Disk Number : 4
Partition Number : 1
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I have PSE 10 on an old computer, and have all of my photos stored on an external hard drive. I now have a new computer with PSE 11 on it, and I'd like to move the catalog file, which sits on the old computer to the new computer so that I can use it to see all the photos on the external drive now. I do not want to do a full backup and restore, since the photos are staying on the same external hard drive. I just want the file that has all the tags and organizational information to move to the new computer. How do I do that? The system information process on the old computer said that the catalog is named My Catalog and is in a particular directory (C:\ProgramData\Adobe\Elements Organizer\Catalogs\My Catalog\), but I don't see a file by that name when I look there, even though in control panel I have the system set to no hidden files. Thanks for any help - I'm getting incredibly frustrated.

OK one last question - I moved the catalog file to the new computer, but I put it on the desktop. I double-clicked it and it all worked like a charm. And now all the temp files and such live there.
Is there a good way to move it into the Adobe folder? I tried moving it all into the C:\Program Files\Adobe\Elements 9 Organizer, but there isn't a "Catalog" folder like there was on the old computer. So I just moved it in the C:\Program Files\Adobe folder and double-clicked it; i got an error saying the catalog was corrupt or something. So I moved it back to the desktop and all is fine.
So how do I move it off the desktop - and where should i put it?

Finder is not recognizing external drive

Yesterday, (Mar 28,2012) Finder was listing my external drive but when I went to eject the drive, it no longer showed in Finder. I cannot eject the drive properly. It is showing on my Desktop. I've done a disk utility verfy disk and it is recognized and no problem was found. I tried a new USB cable and the old Fire Wire (which doesn't work??). I used a different USB port but nothing seems to work. I've also tried restarting. I am running a MacBook Pro with 10.6.8. Any ideas??
Thanks for the help.

Just a thought, if your external hdd shows up on the desktop and disk utility I would start simple and check Finder preferences. Once Finder preferences is open click on the tab sidebar and see if External Disks is checked under Devices. Also, you can properly eject the external hdd icon that shows up on the desktop by dragging and dropping it to the trashcan.
If this didn't work, and what necronym didn't work, I would suggest deleting this file found at /library/preferences/com.apple.finder.plist , then restart the computer. Then test the external hdd with Finder again.

HT2494 Apple computer is not "feeling" external drive.

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