Does an iMac need to be functional in order to continue to utilize it as a target display only?

I am debating on whether to upgrade to an iMac or iMac 5k. The non 5k iMac's ability to be used as a display appeals to me because it can still serve a purpose down the road when the internals are outdated. Will the iMac still function as a display even if the internals (processor, hard drive, etc) are not functional some day? I am assuming it won't, which somewhat lessens the appeal of that function as future proofing for my purchase.

Hi blkshirt98,
Target Display Mode does require an operating system (Mac OS X 10.6.1 or later) to be running on the computer being used as a display, so if the processor, hard drive, etc are not working, you would not be able to use it in this way. See this article for reference -
Target Display Mode: Frequently Asked Questions (FAQ) - Apple Support
Thanks for using Apple Support Communities.
Best,
Brett L

Similar Messages

Does my iMac need antivirus protection

Does my iMac need antivirus software or is it built into the OS X operating system?

1. This is a comment on what you should and should not do to protect yourself from malicious software ("malware") that circulates on the Internet. It does not apply to software, such as keystroke loggers, that may be installed deliberately by an intruder who has hands-on access to your computer, or who has been able to log in to it remotely. That threat is in a different category, and there's no easy way to defend against it. If you have reason to suspect that you're the target of such an attack, you need expert help.
If you find this comment too long or too technical, read only sections 5, 6, and 10.
OS X now implements three layers of built-in protection specifically against malware, not counting runtime protections such as execute disable, sandboxing, system library randomization, and address space layout randomization that may also guard against other kinds of exploits.
2. All versions of OS X since 10.6.7 have been able to detect known Mac malware in downloaded files, and to block insecure web plugins. This feature is transparent to the user, but internally Apple calls it "XProtect." The malware recognition database is automatically checked for updates once a day; however, you shouldn't rely on it, because the attackers are always at least a day ahead of the defenders.
The following caveats apply to XProtect:
It can be bypassed by some third-party networking software, such as BitTorrent clients and Java applets.
It only applies to software downloaded from the network. Software installed from a CD or other media is not checked.
As new versions of OS X are released, it's not clear whether Apple will indefinitely continue to maintain the XProtect database of older versions such as 10.6. The security of obsolete system versions may eventually be degraded. Security updates to the code of obsolete systems will stop being released at some point, and that may leave them open to other kinds of attack besides malware.
3. Starting with OS X 10.7.5, there has been a second layer of built-in malware protection, designated "Gatekeeper" by Apple. By default, applications and Installer packages downloaded from the network will only run if they're digitally signed by a developer with a certificate issued by Apple. Software certified in this way hasn't necessarily been tested by Apple, but you can be reasonably sure that it hasn't been modified by anyone other than the developer. His identity is known to Apple, so he could be held legally responsible if he distributed malware. That may not mean much if the developer lives in a country with a weak legal system (see below.)
Gatekeeper doesn't depend on a database of known malware. It has, however, the same limitations as XProtect, and in addition the following:
It can easily be disabled or overridden by the user.
A malware attacker could get control of a code-signing certificate under false pretenses, or could simply ignore the consequences of distributing codesigned malware.
An App Store developer could find a way to bypass Apple's oversight, or the oversight could fail due to human error.
For the reasons given above, App Store products, and other applications recognized by Gatekeeper as signed, are safer than others, but they can't be considered absolutely safe. "Sandboxed" applications may prompt for access to private data, such as your contacts, or for access to the network. Think before granting that access. Sandboxing security is based on user input. Never click through any request for authorization without thinking.
4. Starting with OS X 10.8.3, a third layer of protection has been added: a "Malware Removal Tool" (MRT). MRT runs automatically in the background when you update the OS. It checks for, and removes, malware that may have evaded the other protections via a Java exploit (see below.) MRT also runs when you install or update the Apple-supplied Java runtime (but not the Oracle runtime.) Like XProtect, MRT is effective against known threats, but not against unknown ones. It notifies you if it finds malware, but otherwise there's no user interface to MRT.
5. The built-in security features of OS X reduce the risk of malware attack, but they're not absolute protection. The first and best line of defense is always going to be your own intelligence. With the possible exception of Java exploits, all known malware circulating on the Internet that affects a fully-updated installation of OS X 10.6 or later takes the form of so-called "Trojan horses," which can only have an effect if the victim is duped into running them. The threat therefore amounts to a battle of wits between you and Internet criminals. If you're smarter than they think you are, you'll win. That means, in practice, that you always stay within a safe harbor of computing practices. How do you know when you're leaving the safe harbor? Below are some red flags that indicate danger.
Software from an untrustworthy source
Software of any kind is distributed via BitTorrent or Usenet.
Software with a corporate brand, such as Adobe Flash Player, doesn't come directly from the developer’s website.
Rogue websites such as Softonic and CNET Download distribute free applications that have been packaged in a superfluous "installer."
The software is advertised by means of spam or intrusive web popups.
Software that is plainly illegal or does something illegal
Software that you would otherwise have to pay for is "cracked" or "free."
An application helps you to infringe copyright, for instance by circumventing the copy protection on commercial software, or saving streamed media for reuse without permission.
Conditional or unsolicited offers from strangers
A web page tells you that you have a “virus” and offers to help you remove it. (Some reputable websites did legitimately warn visitors who were infected with the "DNSChanger" malware. That exception to this rule no longer applies.)
A web site offers free content such as video or music, but to use it you must install a “codec,” “plug-in,” "player," "downloader," "extractor," or “certificate” that comes from that same site, or an unknown one.
You win a prize in a contest you never entered.
Someone on a message board such as this one is eager to help you, but only if you install an application of his choosing.
A "FREE WI-FI !!!" network advertises itself in a public place such as an airport, but is not provided by the management.
Unexpected events
You open what looks like a document and get an alert that it's "an application downloaded from the Internet." Click Cancel and delete the file or message.
An application does something inexplicable, such as asking for permission to access your contacts, your location, or the Internet for no obvious reason.
Software is attached to email that you didn't request, even if it comes (or seems to come) from someone you trust.
I don't say that leaving the safe harbor just once will necessarily result in disaster, but making a habit of it will weaken your defenses against malware attack. Any of the above scenarios should, at the very least, make you uncomfortable.
6. Java on the Web (not to be confused with JavaScript, to which it's not related, despite the similarity of the names) is a weak point in the security of any system. Java is, among other things, a platform for running complex applications in a web page, on the client. That was always a bad idea, and Java's developers have proven themselves incapable of implementing it without also creating a portal for malware to enter. Past Java exploits are the closest thing there has ever been to a Windows-style virus affecting OS X. Merely loading a page with malicious Java content could be harmful.
Fortunately, client-side Java on the Web is obsolete and mostly extinct. Only a few outmoded sites still use it. Try to hasten the process of extinction by avoiding those sites, if you have a choice. Forget about playing games or other non-essential uses of Java.
Java is not included in OS X 10.7 and later. Discrete Java installers are distributed by Apple and by Oracle (the developer of Java.) Don't use either one unless you need it. Most people don't. If Java is installed, disable it — not JavaScript — in your browsers.
Regardless of version, experience has shown that Java on the Web can't be trusted. If you must use a Java applet for a task on a specific site, enable Java only for that site in Safari. Never enable Java for a public website that carries third-party advertising. Use it only on well-known, login-protected, secure websites without ads. In Safari 6 or later, you'll see a lock icon in the address bar with the abbreviation "https" when visiting a secure site.
Stay within the safe harbor, and you’ll be as safe from malware as you can practically be. The rest of this comment concerns what you should not do to protect yourself.
7. Never install any commercial "anti-virus" or "Internet security" products for the Mac, as they all do more harm than good, if they do any good at all. If you need to be able to detect Windows malware in your files, use one of the free security apps in the Mac App Store — nothing else.
Why shouldn't you use commercial "anti-virus" products?
To recognize malware, the software depends on a database of known threats, which is always at least a day out of date. New threats are emerging on a daily basis. Research has shown that most successful attacks are "zero-day" — that is, previously unknown. Recognition-based malware scanners do not defend against such attacks.
Their design is predicated on the nonexistent threat that malware may be injected at any time, anywhere in the file system. Malware is downloaded from the network; it doesn't materialize from nowhere.
In order to meet that nonexistent threat, the software modifies or duplicates low-level functions of the operating system, which is a waste of resources and a common cause of instability, bugs, and poor performance.
By modifying the operating system, the software itself may create weaknesses that could be exploited by malware attackers.
8. An anti-malware product from the App Store, such as "ClamXav," has the same drawback as the commercial suites of being always out of date, but it does not inject code into the operating system. That doesn't mean it's entirely harmless. It may report email messages that have "phishing" links in the body, or Windows malware in attachments, as infected files, and offer to delete or move them. Doing so will corrupt the Mail database. The messages should be deleted from within the Mail application.
An anti-virus app is not needed, and should not be relied upon, for protection against OS X malware. It's useful only for detecting Windows malware, and even for that use it's not completely effective. Windows malware can't harm you directly (unless, of course, you use Windows.) Just don't pass it on to anyone else.
A Windows malware attachment in email is usually easy to recognize. The file name will often be targeted at people who aren't very bright; for example:
♥♥♥♥♥♥♥♥♥♥♥♥♥♥!!!!!!!H0TBABEZ4U!!!!!!!.AVI♥♥♥♥♥♥♥♥♥♥♥♥♥♥.exe
Anti-virus software may be able to tell you which particular trojan it is, but do you really care? In practice, there's seldom a reason to use the software unless an institutional policy requires it. Windows malware is so widespread that you should assume it's in every unknown email attachment until proven otherwise.
The ClamXav developer won't try to "upsell" you to a paid version of the product. Other developers may do that. Don't be upsold. For one thing, you should not pay to protect Windows users from the consequences of their choice of computing platform. For another, a paid upgrade from a free app will probably have all the disadvantages mentioned in section 7.
9. It seems to be a common belief that the built-in Application Firewall acts as a barrier to infection, or prevents malware from functioning. It does neither. It blocks inbound connections to certain network services you're running, such as file sharing. It's disabled by default and you should leave it that way if you're behind a router on a private home or office network. Activate it only when you're on an untrusted network, for instance a public Wi-Fi hotspot, where you don't want to provide services. Disable any services you don't use in the Sharing preference pane. All are disabled by default.
10. As a Mac user you don't have to live in fear that your computer may be infected every time you install software, read email, or visit a web page. But neither should you assume that you will always be safe from exploitation, no matter what you do. The greatest harm done by security software is precisely its selling point: it makes people feel safe. They may then feel safe enough to take risks from which the software doesn't protect them. "Hmmmm, this torrent is a crack of that new game I want. I think I'll download it. It could be a trojan, but the antivirus will warn me if it is." Then they wonder why their Mac is so slow all of a sudden. It's slow because it's running flat out mining bitcoins for a hacker who has already sold their credit card number and banking passwords to a criminal gang. Maybe a week later the antivirus does warn them, but what good does that do?
Nothing can lessen the need for safe computing practices.

Does the imac need airport to connect to the internet??? Or can it just connect via any router?? thanks

Does the imac need airport to connect to the interent of can I just connect it via any router?????

you should be able to use any router.

Does my imac need an antivirus

Does my Imac need an antivirus.I see reviews for mackeeper and wonder if I should install

It's malware that is making it's way around the net, not a virus.
How to avoid or remove Mac Defender malware
It's known by more than one name. MacDefender / MacGuard.. and so on.
http://www.reedcorner.net/guides/macvirus/

Does my iMac need an anti-virus or malware detection app to remain secure?

Does my iMac need an anti-virus or malware detection app to remain secure?

The best defense for keeping your Mac secure is YOU. Honestly, I will not tell you to not get software but YOU are the best way to stay safe. I myself have never used any software on my personal computers personally.
rules to remember:
Don't:
Open any e-mails from an unknown sender
Open any e-mails that have attachments unless that person is in your contacts...BUT, this one can be tricky as well. If one of your contacts gets infected, their computer could send an email (with an attachment) to everyone in their contact list. This is a trick to get you to open the attachment because you know the sender. So always check for really generic subject lines that sound fake, call them if you are not sure.
Click on any of those intrusive ads on websites.
Careful downloading software from the Internet that you are not sure about. Always do your research.
if you do decide to get software, I can safely say DO NOT GET MACKEEPER. STAY AWAY. I have heard only horror stories about this software.
Keep your Network safe, make sure if youuse an open WiFi connection to LOCK it.

Does my iMac need anti-virus software

I've read recently that iMacs have been susceptable to viruses. Does my iMac need anti-virus software? And if so, d0es Apple recommend any one in particular?

Mac OS X versions 10.6.7 and later have built-in detection of known Mac malware in downloaded files. The recognition database is automatically updated once a day; however, you shouldn't rely on it, because the attackers are always at least a day ahead of the defenders. In most cases, there’s no benefit from any other automated protection against malware.
The most effective defense against malware is your own intelligence. All known malware that affects a fully-updated installation of Mac OS X 10.6 or later takes the form of trojans, which can only work if the victim is duped into running them. If you're smarter than the malware attacker thinks you are, you won't be duped. That means, primarily, that you never install software from an untrustworthy source. How do you know a source is untrustworthy?
Any website that prompts you to install a “codec,” “plug-in,” or “certificate” that comes from that same site, or an unknown site, merely in order to use the site, is untrustworthy.
A web operator who tells you that you have a “virus,” or that anything else is wrong with your computer, or that you have won a prize in a contest you never entered, is trying to commit a crime with you as the victim.
“Cracked” versions of commercial software downloaded from a bittorrent are likely to be infected.
Software with a corporate brand, such as Adobe Flash Player, must be downloaded directly from the developer’s website. No intermediary is acceptable.
Disable Java (not JavaScript) in your web browser(s). Few websites have Java content nowadays, so you won’t be missing much. This setting is mandatory in Mac OS X 10.5.8 or earlier, because Java in those versions has bugs that make it unsafe to use on the Internet. Those bugs will probably never be fixed, because those older operating systems are no longer being maintained by Apple. Migrate to a newer version of the Mac OS as soon as you can.
Follow these guidelines, and you’ll be as safe from malware as you can reasonably be.
Never install any commercial "anti-virus" products for the Mac, as they all do more harm than good. If you need to be able to detect Windows malware in your files, use ClamXav — nothing else.

What application does an iMac need to use bbc iplayer

I am trying to download programs from the bbc iplayer to my iMac. I am getting a message about an applcation that I need to have to ber able to run the download. Does anybody know what this is orm how I can get it.
Many thanks.
Martin

You need to contact the developer and ask what they require? If the content was created using Flash then you only need to visit Adobe's website to download Flash.

Does my iMac need more RAM?

I have a 4-year old iMac 2 GHz Intel Core 2 Duo with 2 GB 667 MHz DDR2 SDRAM currently running OS 10.8.2. I'm wondering if I should add more RAM. Is there software that will tell me if I need more RAM? I have no idea how much memory is required for the System, or applications like MSWord, Safari, Firefox, MSExcel, or iPhoto when I am using them.

Below is my model information. I have just looked at OWC memory and their video for installation; is OWC something you would recommend?
Model Name:
iMac
Model Identifier:
iMac7,1
Processor Name:
Intel Core 2 Duo
Processor Speed:
2 GHz
Number of Processors:
1
Total Number of Cores:
2
L2 Cache:
4 MB
Memory:
2 GB
Bus Speed:
800 MHz
Boot ROM Version:
IM71.007A.B03
SMC Version (system):
1.20f4
Serial Number (system):
W******X85
Hardware UUID:
00000000-0000-1000-8000-001B63A3EADB
<Edited By Host>

How much spaces does an iMac need?

I live in a condo in Japan and physical space is limited.
How much physcial space do I need for an iMac?
I have a desk in a spare room where it would fit perfect, but we don't have central heating (Japan generally doesn't have it) so in winter that room is not heated and the daily temperature hovers around 30 degrees Farenheit.
In our heated living/dining room I have a tea cart that is 15 x 24 inches, but I'm not sure if that is big enough.
Another option would be that in winter to move the computer from the spare room to the dining room table every time I wish to use the computer, but that seems a little weird and I would hate to drop it along the way.
I have my eye on either the 17-inch iMac, upgraded 2.16 Ghz, upgraded 2 GB memory, and upgraded 250 GB hard drive.
or
the 20-inch iMac, 2.16 Ghz, upgraded 2 GB memory and 250 GB hard drive, both with wireless keyboard and remote.
I thank you in advance for your suggestions.

The iMac is about as compact as you can get in a desktop computer. It basically takes up the same amount of space as a monitor of the same size. Of course, you also need a place to put the keyboard and mouse, but the iMac itself isn't very big.
If your tea cart isn't big enough, you might consider buying or building a small table for the iMac. There is at least one company that sells a desk made specifically for the iMac, and it's rather compact (http://www.raindesigninc.com/igo.html)
I wish I was back in Japan. I lived there for a fair while, but came back to the states two years ago. Didn't have a Mac in Japan though.

What maintenance does an iMac need (4 yrs old)?

I heard a computer tech guy say iMacs pretty much take care of themselves unlike PCs, but after 4 years of heavy use there must be something to do to keep it in top performance?

How to maintain a Mac
Make two or more backups of all your files
One backup is not enough to be safe. A copy of a backup doesn't count as another backup; all backups must be made directly from the original data.
Keep at least one backup off site at all times in case of disaster. Backing up to a cloud-data service is one way to accomplish this, but don't rely exclusively on such backups.
In fact, don’t rely exclusively on any single backup method, such as Time Machine.
If you get an indication that a backup has failed, don't ignore it.
Keep your software up to date
In the App Store or Software Update preference pane (depending on the OS version), you can configure automatic notifications of updates to OS X and other Mac App Store products. Some third-party applications from other sources have a similar feature, if you don’t mind letting them phone home. Otherwise you have to check yourself on a regular basis.
Keeping up to date is especially important for complex software that modifies the operating system, such as device drivers. Don't install such modifications unless they're absolutely necessary. Remove them when they are no longer needed. Before installing any Apple update, you must check that all system modifications that you use are compatible. Incompatibility with third-party software is by far the most common cause of difficulties with system updates.
Don't install crapware
...such as “themes,” "haxies," “add-ons,” “toolbars,” “enhancers," “optimizers,” “accelerators,” "boosters," “extenders,” “cleaners,” "doctors," "tune-ups," “defragmenters,” “firewalls,” "barriers," “guardians,” “defenders,” “protectors,” most “plugins,” commercial "virus scanners,” "disk tools," or "utilities." With very few exceptions, such stuff is useless or worse than useless. Above all, avoid any software that purports to change the look and feel of the user interface.
It's not much of an exaggeration to say that the whole "utility" software industry for the Mac is a fraud on consumers. The most extreme examples are the "CleanMyMac," "TuneUpMyMac," and “MacKeeper” scams, but there are many others.
As a rule, you should avoid software that changes the way other software works. Plugins for Photoshop and similar programs are an obvious exception to this rule. Safari extensions, and perhaps the equivalent for other web browsers, are a partial exception. Most are safe, and they're easy to get rid of if they don't work. Some may cause the browser to crash or otherwise malfunction. Some are malicious. Use with caution, and install only well-known extensions from relatively trustworthy sources, such as the Safari Extensions Gallery.
Only install software that is useful to you, not (as you imagine) to the computer. For example, a word processor is useful for writing. A video editor is useful for making movies. A game is useful for fun. But a "cache cleaner" isn't useful for anything. You didn't buy a computer so you could clean caches.
Never install any third-party software unless you know how to uninstall it. Otherwise you may create problems that are very hard to solve. Do not rely on "utilities" such as "AppCleaner" and the like that purport to remove software.
Don't install bad, conflicting, or unnecessary fonts
Whenever you install new fonts, use the validation feature of the built-in Font Book application to make sure the fonts aren't defective and don't conflict with each other or with others that you already have. See the built-in help and this support article for instructions.
Deactivate or remove fonts that you don't really need to speed up application launching.
Avoid malware
"Malware" is malicious software that circulates on the Internet. This kind of attack on OS X was once so rare that it was hardly a concern, but it's now increasingly common and dangerous.
There is some built-in protection against malware, but you can’t rely on it—the attackers are always at least one day ahead of the defense. You can’t rely on third-party "anti-virus" products for protection either. What you can rely on is common-sense awareness—not paranoia, which only makes you more vulnerable.
Never install software from an untrustworthy or unknown source. If in doubt, do some research. Any website that prompts you to install a “codec” or “plugin” that comes from the same site, or an unknown site, is untrustworthy. Software with a corporate brand, such as Adobe Flash Player, must come directly from the developer's website. No intermediary is acceptable, and don’t trust links unless you know how to parse them. Any file that is automatically downloaded from the web, without your having requested it, should go straight into the Trash. A web page that tells you that your computer has a “virus,” or that anything else is wrong with it, is a scam.
In OS X 10.7.5 or later, downloaded applications and Installer packages that have not been digitally signed by a developer registered with Apple are blocked from loading by default. The block can be overridden, but think carefully before you do so.
Because of recurring security issues in Java, it’s best to disable it in your web browsers, if it’s installed. Few websites have Java content nowadays, so you won’t be missing much. This action is mandatory if you’re running any version of OS X older than 10.6.8 with the latest Java update. Note: Java has nothing to do with JavaScript, despite the similar names. Don't install Java unless you're sure you need it. Most people don't.
Don't fill up your disk or SSD
A common mistake is adding more and more large files to your home folder until you start to get warnings that you're out of space, which may be followed in short order by a startup failure. This is more prone to happen on the newer Macs that come with an internal SSD instead of the traditional hard drive. The drive can be very nearly full before you become aware of the problem.
While it's not true that you should or must keep any particular percentage of space free, you should monitor your storage use and make sure you're not in immediate danger of using it up. According to Apple documentation, you need at least 9 GB of free space on the startup volume for normal operation.
If storage space is running low, use a tool such as OmniDiskSweeper to explore the volume and find out what's taking up the most space. Move seldom-used large files to secondary storage.
Relax, don’t do it
Besides the above, no routine maintenance is necessary or beneficial for the vast majority of users; specifically not “cleaning caches,” “zapping the PRAM,” "resetting the SMC," “rebuilding the directory,” "defragmenting the drive," “running periodic scripts,” “dumping logs,” "deleting temp files," “scanning for viruses,” "purging memory," "checking for bad blocks," "testing the hardware," or “repairing permissions.” Such measures are either completely pointless or are useful only for solving problems, not for prevention.
To use a Mac effectively, you have to free yourself from the Windows mindset that every computer needs regular downtime for maintenance such as "defragging" and "registry cleaning." Those concepts do not apply to the Mac platform.
A well-designed computing device is not something you should have to think about much. It should be an almost transparent medium through which you communicate, work, and play. If you want a machine that needs a lot of attention just to keep going, use a PC, or collect antique cars.
The very height of futility is running an expensive third-party application called “Disk Warrior” when nothing is wrong, or even when something is wrong and you have backups, which you must have. Disk Warrior is a data-salvage tool, not a maintenance tool, and you will never need it if your backups are adequate. Don’t waste money on it or anything like it.

Does an imac need to be "cleaned" if it is working properly?

I am just concerned about malware and cookies being tracked. Apple says this computer does not need any extra add-ons to protect it. I do not want to damage it if it does not need the extra devices.

The [[Troubleshoot Firefox issues caused by malware]] article has this Apple Support link for Mac users concerned about malware:
*https://discussions.apple.com/docs/DOC-3291 ''Harden your Mac against malware attacks''
On privacy issues related to tracking and Firefox, see:
* [[How do I turn on the Do-not-track feature?]]
* [[Disable third-party cookies in Firefox to stop some types of tracking by advertisers]]
Hope that helps.

Does my modem need to support 5G in order to make use of the 5G characteristics of my AirPort Extreme?

Hi,
I have a Fritzbox 7360 router which does not support 5G. I have also bought an Airport Extreme and uses this in bridge modus. So the Fritzbox only serves as a modem. The modem does not support 5G however, do I need to have different type of modem in order to optimally make use of the 5G characteristics of the Airport Extreme?
Thanks

do I need to have different type of modem in order to optimally make use of the 5G characteristics of the Airport Extreme?
No

What settings does my ipod need to be on in order to transfer content to a new computer

I am trying to transfer ipod content to a new computer using ipod. It's not working
and I am at wit's end. I have tried using the instructions on the Apple website. I
have also tried the Tunes Plus softward. I go through all of steps correctly, I think,
and nothing happens. I don't think I have a problem with iTunes so maybe it
could be my ipod. Can anyone help?

Airplay always adds confusion in my view as it's not the only way the device works.
AppleTV can play content from several sources
1 - Your local iTunes library - iTunes must be running/computer on for you to be able to browse the library database under the Computers column and pull the media to the AppleTV for playback using itunes as the helper app.
2 - You can 'push' compatible media and content of some iOS apps to AppleTV from iPads, iPhones, iPod Touch and using Airplay from itunes (the only desktop app enabled for Airplay in OS X or Windows). Airplay from itunes generally only gives different results with music whereby equaliser, enhancement and cross fade settings are applied before sending the audio whereas 'pulling' using AppleTV menus does not add these effects. Also Airplay from itunes is one method to play Audible audiobooks using AppleTV as a 'speaker'.
3 - In some countries past itunes purchases (excluding movies currently) can be played directly from the internet (iCloud service) though clearly if you have a slow or capped internet connection, playing from your localitunes library would give better performance.
AC

Does JDBC Driver needs to be downloaded ?

Does JDBC Driver needs to be downloaded in order to be used?

Does JDBC Driver ....Huh?
JDBC is an inteface. It is part of the standard API that should come with most JVMs.
JDBC uses 'drivers' which are specific to the purpose at hand. The jdbc-odbc bridge driver comes with the Sun JVMs and has since at least version 1.1.4 (years ago.) Other drivers must be downloaded or acquired. For example the Oracle drivers can be downloaded from the Oracle site and they also come on the Oracle client install.

Target display glitching from macbook pro to 2010 27" imac

When i connect using a mini DV port to mini DV port, the Imac screen flickers, glitches and shakes, occasionally blacking out. This seemed to occur when i changed the sound output from the inbuilt speakers of the laptop to the speakers of the imac. Any suggestions or solutions would be greatly appreciated.

jeffyjeff412,
if your 13-inch MacBook Pro has a Thunderbolt port, then it’s not a Mid 2010 model. If your iMac is a 21-5 inch Late 2009 model, then it doesn’t support Target Display mode; you would need a 27-inch Late 2009 model (or newer) or a 21.5-inch Mid 2011 model (or newer) for that support.

Does an iMac need to be functional in order to continue to utilize it as a target display only?

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