Art Work Missing from MP3 on External Drives.

Has anyone in the community having this issure or any other with the art work? Why is it when Apple do an update or upgrade with iTunes we have many issures?

"Why is it when Apple do an update or upgrade with iTunes we have many issures?"
Can't say I've ever had any "issures" (or even any issues) when updating iTunes.

Similar Messages

How do I gain back my album art work missing from my phone?

I put a CD on my phone but then most of my alum artwork got deleted (only on my phone). How do i gain it back? Thanks

Hey HayleyN00,
Thanks for the question. If the album artwork still appears on your computer with iTunes, you may just want to resync the content:
iOS: Syncing your data with iTunes
http://support.apple.com/kb/HT1386
If the artwork does not appear on your computer, you can add it with iTunes:
iTunes 11 for Windows: Add artwork to songs and other items
http://support.apple.com/kb/PH12361
Thanks,
Matt M.

HT5299 Thunderbolt-Can you use an adaptor From a thunderbolt External drive to a firewire 800/400 Mac

Thunderbolt-Can you use an adaptor From a thunderbolt External drive to a firewire 800/400 Mac

No. The Thunderbolt to Firewire adapters only work to connect a Firewire drive to a Thunderbolt port. They do not work in reverse, to connect a Thunderbolt-only drive to a Firewire port. If the only port your drive has is a Thunderbolt port and all you have on the Mac is Firewire, you can't use that drive with that computer.
Regards.

How do I save albums, events in tact from iPhoto to external drive to comply with iCloud limits? Thx

How do I save albums, events in tact from iPhoto to external drive to comply with iClouds limits? (iMac Lion, need to remove 280gb of photos>

Not sure if I understand correctly?
Do you want to move 280 GB of photos from iPhoto on your Mac to an external hard drive?
If that is the case, iCloud has nothing to do with it. You can move your iPhoto library to an external drive to free up space on your internal drive.
http://docs.info.apple.com/article.html?path=iPhoto/8.0/en/6331.html
If that is not what you're trying to do, please rephrase your question. Thanks.

When I try to drag the iphoto library to the external disk a forbidden (circle with slash through it) icon appear. Why do you suppose it is preventing me from adding to external drive? These are pictures I have taken. I believe it cannot find the origina

When I try to drag the iphoto library to the external disk a forbidden (circle with slash through it) icon appear. Why do you suppose it is preventing me from adding to external drive? These are pictures I have taken. I believe it cannot find the original file. Please help.
Thanks.

What happens if you try to Option-drag the library to the EHD? The same icon?
Make sure the EHD is formatted Mac OS X Extended (journaled) with Ownership set to be ignored:
OT

Moving a catalog from hardrive to external drive

I am trying to move a catalog from my hardrive to an external drive. I have followed the steps i found online, but my pictures aren't there. They are still on hardrive and the catalog folder on the external is empty. Please help. I am sure there is something silly I am missing.

As Steve has already pointed out, the "catalog" and your photos are two different things. The "catalog" is the LR data base where LR references your photos.
So for LR to work properly you always need two things: (a) your photos and (b) the catalog.
The catalog is the file ending with < .lrcat>. See here where you can find the catalog in various OS: http://kb2.adobe.com/cps/843/cpsid_84313.html
These are the default locations; you can put your catalog in a different location, and you can have it also on an external hard drive, provided that it is one with a fast connection. The USB connection is too slow, it is therefore not recommended to put the catalog on an USB drive.
The catalog and the photos do NOT have to be in the same location. So you can move your photos to an external hard drive and leave your catalog on an internal drive.
If you move your photos via your OS (Mac Finder / Win Explorer) you will have to re-connect LR with the new location of the photos.
WW

Recover an iMovie from a failed external drive?

Has anyone been able to get an entire iMovie recovered from a failed external Firewire drive? My LaCie just won't power up despite having its light come on, and having other external drives connected through it to my iMac and working fine.
I was about to do some backing up after finishing some edits on my latest iMovie, located on that drive. The edits were taking a longer time than usual, with spinning beach ball going on and on, so I decided to restart the Mac and see if that would speed things up. A restart resulted in a totally white screen for over 20 minutes, so I powered off with the switch, and powered on again with it a few minutes later. After three tries, including trying to boot from the installation disk, the iMac sprang to life again, and three of my external drives came on as usual, but not the La Cie that has my iPhotoLibraries and the iMovies I am working on. It is not a problem with power cords or the Firewire cables, as I swapped them out with the other drives, and everything works except this drive will not power up. Its light comes on, and the Firewire ports allow the other drive to come on, as this one is the one connected to the iMac, but the drive remains cold and quiet, just sits there with its blue light blinking.
I just need it to power on long enough to transfer my data to another drive.
I will settle for drive-recovery if that means I will get all my movies and photos back......anyone ever had to use a drive recovery service for this? If so, how did it work?
I do have backups for the photos, but not all of them as I don't usually backup every day. The movies will have to be recreated I can do this, it will just take lots of time......
not happy with this situation....any support/sympathy greatly appreciated!

Beverly Maneatis wrote:
.. The drive comes on and its light blinks, but does not progress to the drive powering up and the light becoming a solid nonblinking. ..
sorry to contradict you, Bev, but the drive itself has no lights.. :
(pic by wikipedia)
THIS is your drive with your precious data .. no blinks ...
ok, I'm a typically 'Tim Taylor/Home Improvement'-guy (incl. friends in hospital...), so maybe a daredevil about screwing things up/open (pun-taaaa). if you open the housing (usually 4 screws on bottom), you would see a power-supply, some small board for the interface electronics, a fan, some small board for some other electronics. and two cables: one with 4 cables (=power), one flat cable with ~20something wires (=data).. the drive is fixed with another four screws.. it is really dead easy, and you can not damage the drive itself, except you wear some angora and plastic sandals, to get some zillion of volts of static electricity into your fingertips ...
so, if you find a nice PC-guy, ask him to place the drive into another housing (usb or fw.. doesn't matter...).. for a pro, that is a 5min procedure.. I'm pretty sure, it will work! < fingers crossed > < throwing ash over shoulder > < murmering some Hun's incantaion >

Mac Pro will not boot from cd or external drive

My Mac has an issue whith the boot drive, and I would like to format the drive and reinstall OS-X Mountain Lion and then use Time Machine to resore the Data. When I try to boot my Early 2009 Mac Pro (OS-X 10.8) using the option key, it loads the scrren that allows me to choose among the bootable drives. Once I choose either an external drive or CVD, it loads to the apple screen, stays there for about 5 minutes, then loads the OS on the main drive... Any ideas would be greatly appreciated.
Bill Mueller

At first I was just going to say it sounds like you have a bad optical drive, but then you had to go and say that it also won't boot from a HDD.
That just makes things a whole lot worse.
Start by removing the side cover and checking the RAM to see if any of the LEDs are lit up indicating bad RAM. Usually if there's any bad RAM found, it will just automatically disable that stick, but maybe yours isn't for some reason.
Look for any other LEDs that may be lit. Generally speaking, the only time you should see an LED (outside of the power LED) lit consistently is if there's a problem.
You should also see if you can get Apple Hardware Test to run, which may or may not find some problem.
But sorry to say, it's sounding very suspiciously like a bad logic board.
One other thing to try, is putting the SL drive into a different slot. So if you were putting it in slot 2, try slot 3 or 4. If you just have a bad SATA port, you might be able to just work around that until you get a new system.
If by chance this system is still under warranty, do not walk, do not pass go, do not collect $200, RUN to the nearest AASP or Apple store to make it THEIR problem to sort out.

Transferring files from iMac to External Drive issues. Please help

I have a 500gb Western Digital external hard-drive. I began using it on a PC, but got a Mac a couple of months ago. There are a couple of problems that I am encountering. First of all, the folders that I had on my external drive (music, movies etc.) are all locked, and no matter what I try on the Mac, I cannot unlock them.
That really did not cause too much of an issue, because I would just drag them onto the drive, and put them in the proper folders when I connected it to a Windows machine.
However, recently when I try to transfer an album from the Mac to the external, I get an error message that says:
The finder cannot complete the operation because some data in "Song/Album.mp3" could not be read or written. (error code -36)
Basically my two questions are how do I unlock the folders on my external drive, and what is causing this error to start all of a sudden?
Any help would be appreciated

Open up Applications/Utilities/Disk Utility. Select your external drive on the left then under the Erase tab select MS-DOS(FAT) as your volume format. Keep in mind that re-formatting your drive will erase all of the data so make sure you have it all backed up on your computer before you re-format.
http://ftp.georgetek.com/George/DiskUtilMS-DOS.png
Are you replacing your PC with the iMac or are you still going to use both computers?
George

Starting from scratch with external drive

I've just clean installed Snow Leopard after too much trouble with Lion, I've got an external drive with a load of songs which I'd like to use with iTunes but I don't want these copied to my internal drive - I'm happy to have the external drive connected for iTunes use - I've changed the iTunes media folder to the one on my external drive but it hasn't recognised the songs - what else do I need to do without ending up with duplicates of every song?.... Basically I'd simply like to use the external drive like a huge iPod!

Thanks John and Jolly,
I'm not sure what I'm doing here. I thought I did what you suggested and I tried to read that article but ...
What I have:
* Laptop with iTunes 9.0.3 running OS X 10.4.11 that has not had any prior music or other iTunes content.
* An external HD with a copy of the music from my desktop (160 GB). My desktop is also running iTunes 9 and OS X 190.4.11.
On the HD there is a folder "iTunes." That folder contains:
"Album Artwork" folder,
"Automatically Add to iTunes" folder,
"iTunes Library" file,
"iTunes Library Extras.itdb" file,
"iTunes Library Genius.itdb" file,
"iTunes Library.xml" file
"itunes music" folder,
"iTunes Music Library.xml" file,
"Previous iTunes Libraries" folder,
"Temp File.tmp" file
What I did:
* Plugged in the external so it shows up in my finder
* Launched iTunes and working through the setup was asked some sort of question like "do you want to copy files now or do it yourself later?" I clicked I'd do it myself.
* Went to iTunes / Preferences / Advanced and changed the iTunes Media folder location. It now shows "/volumes/'name of External HD'/iTunes" The "keep iTunes Media folder organized" box is checked and so is the "Copy files to iTunes Media folder when adding to library" box. I hit OK.
* Went to iTunes / File / Library / Organize Library ... and I clicked the "Consolidate files" box but not the "Upgrade to iTunes Media organization" box.
* now in iTunes I have nothing in "Music" -- a screen telling me songs and videos I add ... and there are none of my folders or playlists.
I bet I'm one click from blast off but no idea what that step might be.
Any ideas?
Thanks

Can't boot from my firewire external drive

I have a 80 Gb LaCie firewire drive where I have installed (since Phanter) an operating system. All things were OK until I updated the system to OS X 10.4.10 in my G3 iMac (slot-loading). Since then I was unable to boot from the external drive. I had updated the drive's firmware, installed OS X 10.4.10 in it, but nothing has solved my issue. Can anyone help me with this?
Helder Monteiro
iMac G3 slot-loading Mac OS X (10.4.10) iBook G4 - 10.4.10

Helder,
I apologize if I sounded like I was finding fault with your use of English, which I think you use very well. My own abilities with any foreign language are embarrassingly poor ... & I'm not that great with my native English one either!
My concern was that we were not communicating well enough for me to understand your situation well enough to suggest anything that would not make things worse. I'm still not entirely sure of that but let me review what I believe it to be before proceeding:
You have a LaCie external hard drive that both your iMac & PowerBook recognize when either is started up from its internal copy of 10.4.10. With either one, the drive mounts & you can read & write files on the external without problems. The only problem is neither Mac will start up from the external drive, which has a copy of 10.4.10 installed on it in the same way as with your Mac's internal drives, that being booting from the Tiger installer disk, installing the base version of the OS on it & then updating it to 10.4.10 with some succession of Apple updates downloaded from Apple. You have also tried the PPC version of the 10.4.10 combo update. None of this has resolved the problem.
If this is all true & accurate, then I suggest you start by attaching the drive to one or the other Mac while booted normally & seeing if the external drive appears as a choice in System Preferences > Startup Disk. You do not have to select it if appears; the test is just to see if the Mac recognizes it as having a valid OS version. If it does appear in the list, hover the mouse pointer over it until a popup box appears, which will tell you the version of the OS installed.
If it does not appear in the list, it means there is no valid version of the OS installed. If it does, you could try selecting it & restarting, but I suspect from what you have said, it won't work -- the Mac will display a question mark for a while on startup, eventually give up on the drive & start from the internal one. (If so, don't forget to reset the startup disk to the normal one to speed up future restarts.)
Either way, launch Disk Utility & run the "Repair Disk" function on the external drive. If it finds anything wrong, continue to repeat the repair until it passes. If it reports failure, stop & report that here before continuing.
If the drive was recognized in the system preference, also run the "Repair Permissions" step. (if not, it is unlikely this will be an option.) If the drive passes both tests now, try booting from it again by whatever method you prefer.
If it does not work now, I think you will have to reinstall the OS. If you have room on the drive, an Archive & Install will probably work. If not, you will need to consider "cleaner" install methods, which we can discuss if you wish.
Good luck!

Kernel panic when booting from DVD or external drive

Hey Folks,
I have a 13" MBP, seems to run fine for the most part.
However, I can't boot from DVDs or external hard drives. Disk Warrior, my and a tech support buddy of mine's OSX Snow Leopard DVDs, and external boot disks all cause a kernel panic when selected from the alternate boot menu when rebooting with alt.
The DVD/External spins up, the loading spinner goes for about 20-30 seconds, and then BAM - Kernel panic. I'd reinstall OSX... but I can't!
Any suggestions? I'd rather not send the computer to a tech for a week - I need it daily for work.

Kernel panic log:
Fri Nov 26 11:42:49 2010
panic(cpu 0 caller 0x2a6ac2): Kernel trap at 0x00000000, type 14=page fault, registers:
CR0: 0x8001003b, CR2: 0x00000000, CR3: 0x00100000, CR4: 0x000006e8
EAX: 0x57cd9408, EBX: 0x57983dec, ECX: 0x06fa2b80, EDX: 0x07fb9c80
CR2: 0x00000000, EBP: 0x57983e18, ESI: 0x07fb9f00, EDI: 0x00000001
EFL: 0x00010206, EIP: 0x00000000, CS: 0x00000008, DS: 0x00000010
Error code: 0x00000010
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x57983ae8 : 0x21acfa (0x5ce650 0x57983b1c 0x223156 0x0)
0x57983b38 : 0x2a6ac2 (0x590a50 0x0 0xe 0x590c1a)
0x57983c18 : 0x29c968 (0x57983c30 0x7fb9f00 0x57983e18 0x0)
0x57983c28 : 0x0 (0xe 0x48 0x57980010 0x7fb0010)
0x57983e18 : 0x5389f2 (0x7fb5a00 0x7f62500 0x1 0x4fbe2a)
0x57983e78 : 0x536c27 (0x7f62500 0x7fb5a00 0x8006380 0x805e4c0)
0x57983f28 : 0x5371b8 (0x7f62500 0x8000140 0x0 0xffffffff)
0x57983f78 : 0x538e67 (0x7f62500 0x0 0x57983fac 0x1)
0x57983fc8 : 0x29c68c (0x7f85190 0x0 0x29c69b 0x74d03d4)
BSD process name corresponding to current thread: kernel_task
Mac OS version:
10A432
Kernel version:
Darwin Kernel Version 10.0.0: Fri Jul 31 22:47:34 PDT 2009; root:xnu-1456.1.25~1/RELEASE_I386
System model name: MacBookPro7,1 (Mac-F222BEC8)
System uptime in nanoseconds: 109525048606
unloaded kexts:
(none)
loaded kexts:
com.apple.driver.AppleIntelYonahProfile 14
com.apple.driver.AppleIntelPenrynProfile 17
com.apple.DontSteal_Mac_OSX 7.0.0
com.apple.driver.AppleHDA 1.7.4a1
com.apple.driver.AppleGraphicsControl 2.8.16
com.apple.driver.AppleIntelNehalemProfile 11
com.apple.driver.AudioIPCDriver 1.1.0
com.apple.driver.AppleUpstreamUserClient 3.0.5
com.apple.driver.SMCMotionSensor 3.0.0d4
com.apple.driver.ACPISMCPlatformPlugin 3.4.0a20
com.apple.driver.AppleBacklight 170.0.2
com.apple.driver.AppleIRController 161
com.apple.driver.AppleIntelMeromProfile 19
com.apple.kext.AppleSMCLMU 1.4.5d1
com.apple.GeForce 6.0.0
com.apple.driver.DiskImages.SparseDiskImage 281
com.apple.driver.DiskImages.ReadWriteDiskImage 281
com.apple.driver.DiskImages.UDIFDiskImage 281
com.apple.driver.DiskImages.RAMBackingStore 281
com.apple.driver.DiskImages.HTTPBackingStore 281
com.apple.driver.DiskImages.FileBackingStore 281
com.apple.driver.AppleUSBTCButtons 1.8.0b4
com.apple.driver.AppleUSBTCKeyEventDriver 1.8.0b4
com.apple.driver.AppleUSBTCKeyboard 1.8.0b4
com.apple.driver.AppleUSBCardReader 2.5.0
com.apple.iokit.SCSITaskUserClient 2.5.0
com.apple.iokit.IOAHCIBlockStorage 1.5.0
com.apple.driver.AirPortBrcm43xx 410.91.20
com.apple.driver.AppleFWOHCI 4.3.4
com.apple.driver.AppleUSBHub 3.7.8
com.apple.driver.AppleAHCIPort 2.0.0
com.apple.driver.AppleUSBEHCI 3.7.5
com.apple.driver.AppleUSBOHCI 3.7.5
com.apple.BootCache 31
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.driver.AppleEFINVRAM 1.3.0
com.apple.driver.AppleRTC 1.3
com.apple.driver.AppleHPET 1.4
com.apple.driver.AppleSmartBatteryManager 160.0.0
com.apple.driver.AppleACPIButtons 1.3
com.apple.driver.AppleSMBIOS 1.4
com.apple.driver.AppleACPIEC 1.3
com.apple.driver.AppleAPIC 1.4
com.apple.driver.AppleIntelCPUPowerManagementClient 90.0.0
com.apple.security.sandbox 0
com.apple.security.quarantine 0
com.apple.nke.applicationfirewall 2.0.11
com.apple.driver.AppleIntelCPUPowerManagement 90.0.0
com.apple.driver.AppleHDAPlatformDriver 1.7.4a1 - last loaded 109517592692
com.apple.iokit.IOBluetoothSerialManager 2.2f18
com.apple.iokit.IOSerialFamily 10.0.2
com.apple.driver.AppleHDAHardwareConfigDriver 1.7.4a1
com.apple.driver.DspFuncLib 1.7.4a1
com.apple.iokit.IOAudioFamily 1.7.0fc16
com.apple.kext.OSvKernDSPLib 1.3
com.apple.driver.AppleHDAController 1.7.4a1
com.apple.iokit.IOHDAFamily 1.7.4a1
com.apple.driver.IOPlatformPluginFamily 3.4.0a20
com.apple.iokit.AppleProfileFamily 40
com.apple.iokit.IOFireWireIP 2.0.3
com.apple.driver.AppleSMC 3.0.1d2
com.apple.NVDAResman 6.0.0
com.apple.iokit.IONDRVSupport 2.0
com.apple.iokit.IOGraphicsFamily 2.0
com.apple.driver.DiskImages.KernelBacked 281
com.apple.driver.AppleUSBMultitouch 200.20
com.apple.iokit.IOUSBHIDDriver 3.7.5
com.apple.driver.BroadcomUSBBluetoothHCIController 2.2f18
com.apple.driver.AppleUSBBluetoothHCIController 2.2f18
com.apple.iokit.IOBluetoothFamily 2.2f18
com.apple.iokit.IOUSBMassStorageClass 2.5.0
com.apple.iokit.IOSCSIBlockCommandsDevice 2.5.0
com.apple.driver.AppleUSBMergeNub 3.7.5
com.apple.driver.AppleUSBComposite 3.7.5
com.apple.iokit.IOSCSIMultimediaCommandsDevice 2.5.0
com.apple.iokit.IOBDStorageFamily 1.6
com.apple.iokit.IODVDStorageFamily 1.6
com.apple.iokit.IOCDStorageFamily 1.6
com.apple.driver.XsanFilter 402.1
com.apple.iokit.IOAHCISerialATAPI 1.2.0
com.apple.iokit.IOSCSIArchitectureModelFamily 2.5.0
com.apple.iokit.IO80211Family 300.20
com.apple.iokit.IOFireWireFamily 4.1.7
com.apple.iokit.IOUSBUserClient 3.7.5
com.apple.iokit.IOAHCIFamily 2.0.0
com.apple.iokit.IOUSBFamily 3.7.8
com.apple.iokit.IONetworkingFamily 1.8
com.apple.driver.AppleFileSystemDriver 2.0
com.apple.driver.AppleEFIRuntime 1.3.0
com.apple.iokit.IOHIDFamily 1.6.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.TMSafetyNet 6
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.DiskImages 281
com.apple.iokit.IOStorageFamily 1.6
com.apple.driver.AppleACPIPlatform 1.3
com.apple.iokit.IOPCIFamily 2.6
com.apple.iokit.IOACPIFamily 1.3.0

Storing TV Shows Downloaded from iTunes on External Drive?

My HP has about 137 GB of storage available and I am now using almost 130 GB. 60 GB is for several TV shows and movies I have downloaded. (Entire 1st year of Six Feet Under, West Wing and Mad Men plus Godfather, Animal House, etc.)
What I want to do is store these items on an external drive and access them only when needed. The saving to the external drive went well, but now I have three questions:
1. How do I take the TV Shows out of iTunes/my hard drive to free up space?
2. I have an iPod Touch and iPhone for my wife. How do I sync these machines so that some or all of a series of TV shows is captured on the devices? (I intend to leave my music in the iTunes library as well as photos etc., if possible to do so and still sync.)
3. I accidentally deleted several episodes of a program from my iTunes library -- is it possible to get these back without buying them a second time?
Thanks in advance
Kerry

1) Hey there, I think the best way for your case is to use 2 separate itunes libraries.
One for TV/movies and a second for music/podcasts/etc.
So use this article to create a new itunes library _on your exHD_ - meaning, the actual ITL file you create _is on the exHD with movies_. Post back if you do not understand this important part. Otherwise you are going to have a big mixup of library files on your C: drive, I think.
http://docs.info.apple.com/article.html?path=iTunesWin/8.0/en/15502.html
It will show up as a blank library, and then you just drag the movie/TV folders over to it fro WIndows Explorer.
Once you are sure that new library is working OK, you can delete them from your original itunes library. In itunes just highlight them, and press delete.
Don't delete them from your actual C: hard drive until you have made sure everything is OK!
And you might consider burning them to a DVD data disk - it's risky having one copy of purchases.
Even exHDs can fail.
Message was edited by: Katrina S.

Album art work missing on new songs

I've been noticing that the album art work is missing on some of the new songs I just purchased from iTunes. I have iTunes 9 and have updated my iPod Touch software. Does anyone know what is wrong and how to fix this?
Thanks!

Just RIGHT click the song, and near the bottom of the drop-down menu, hit "get album artwork".

Booting From SD Card, External Drive, USB Stick, etc...

If you configure an external HD, usb stick, sd card, etc. to be a startup volume for your mac, does the computer write or otherwise use the computer's 'default' internal hard drive?
For example, if I insert an sd card into an iMac and boot off of that and open safari and visit a website, once I startup again from the iMac's internal drive, will that appear in the safari's history when booting up again form the internal HD?
Will there be any trace otherwise of anything I do while booted from the sd card?
If I sent the iMac to DriveSavers or some other computer forensic analysis place would they find anything on the internal drive?
I'm inclined to think they would not, but I was hoping this could evolve into a technical discussion with somebody perhaps being knowledgable enough to explain how data travels from the internet, over the ethernet connection, to the motherboard, and then the hard drive. I try to visualize it, myself having a basic understanding, and I think that if there is an entirely different boot volume being used, the 'secondary' volume wouldn't even get written to - unless I obviousy elected to save a file to it.
*Oh, without sending super sketchy I thought maybe I should put this question into context. So, I'm a college student and I was thinking that maybe I could just spend a hundred bucks on an sd card and always have it with me and just go to the library or lab (or local apple store? thought I think they don't allow it) and boot from a 'host mac'. My concern is that I don't want to leave traces of a paper, or email, or private chat, or browsing history on the computer's internal hard drive. If this works I'll save like $1,000 - to a college kid that's like a billion dollars, even in this economy.
Thank you very much!
Tom

Each boot drive will use a different set of home folders, so the history and other settings created in one will not be available in the other.
The operating system is just software that loads from a storage device. For Macs this can be the internal drive, an external drive, a DVD, or a networked volume. This software loads at boot and allows use of the system's hardware (mouse, keyboard, graphics processors, etc.). Booting does not require the use of the internal drive. When the system is powered on it gets a list of all attached storage devices and will preferentrially try to load an operating system from the default boot device, but if it cannot or if it's instructed to look elsewhere (e.g., if you hold the C key to boot to a DVD), then it will load the operating system software from a different location.
When the system has an specific boot drive loaded, it will reference every location of where to save things from that drive. This is the "root" of the system, on which the system has references to storage locations both on the "root" drive and to those on other storage devices. Very briefly, the system sees your external drives simply as folders on your boot drive.
If you boot to an external drive, then this will be the "root" drive, and your system's internal drives will be likewise seen as folders like any other secondary storage locations.

Art Work Missing from MP3 on External Drives.

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