IMac Display connected to different source?

I've come across a gutted iMac, and am curious if anyone can tell me if I can hook the TDMS video cable to some other source, such as a DVD player. Basically, I'm looking to see if I can just use the display to display whatever. Can this be done? Easily? I know that I also have to deal with power supply, as well...
Thanks!

A PS to the above:
There are a few hints at the complexity of this procedure online in
forums; one such place I found after some search time and reading
and it tends to point to the easier means of buying a working display
instead of reinventing one, since you'd have to buy a few new parts.
Here's a thread that goes on for pages, and it may explain some ideas
on this topic; talks about using portable computer screens as desktop
screens, and the issues/answers in accomplishing the task.
"Can I turn my LCD laptop monitor into a desktop monitor"
http://forums.afterdawn.com/thread_view.cfm/98801
Hopefully you can find the bits of info you need in this one!

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New 2012 iMacs display input from external source

Do the new 2012 imacs support input from external DisplayPort sources?

2012 iMacs can't be used as a monitor for Macs with Mini DisplayPort, but you can use a 27-inch iMac with Mini DisplayPort as a monitor for 2012 iMacs. See > http://support.apple.com/kb/PH4469

IMac won't start with Thunderbolt Display connected after firmware update

After updating my thunderbolt display firmware to version 1.2 this morning via the App Store, my mid-2014 iMac won't start up with the external display connected. I can get the iMac to start up only by disconnecting the display's thunderbolt connector. After the iMac comes up, I can reconnect the display and everything appears to function normally. I've tried several restarts and the iMac won't start up with the display connected. Anyone else experience this?

Hello rameta,
It may help to reset your Mac's SMC and PRAM.
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
Reset your computer’s PRAM
http://support.apple.com/kb/HT1379
Cheers,
Allen

How to connect to different data sources in XI 3.1 UNIVERSE?

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Can I and how do connect power mac to imac so I can use imac display

Is there a way I can use my imac and power mac together.
My purpose is to use the display of the imac when using the power mac.
If it possible please be so kind to tell me how to.
Thank you!

Hi Howard Herrick;
I doubt it because to the best of my knowledge you are only going to find connectors on the iMac to connect and external monitor to it not to connect another computer to the iMac's screen.
Allan

Apple LED Cinema Display connected to iMac 21.5" 3.33GHz

I have an Apple LED Cinema Display connected to an older iMac 21.5" (late 2009) and I am using the Cinema Display as the main display. It is very dim though. The iMac's screen is brighter and this computer is actually way older than this LED Cinema Display. This LED Cinema Display should be way brighter, but I cannot adjust the brightness on it. There is no slider when I open display preferences. Anything I can do? Thanks.

Brightness is controlled via USB. Is the display's USB cable plugged into the computer?

Can I buy a new iMac with mini display connection instead of thunderbolt?

I have a 2009 MacBook Pro which I would like to connect to use the display & am aware that a 2009 MacBook will not connect to a Thunderbolt Display. My husband has a new MacBook Air which has thunderbolt, but I think he can get a thunderbolt to mini display connector for him to use.

I want to be able to connect my 2009 MacBook Pro to the display on the iMac. The reason I asked about the display is because I know thunderbolt is not compatible with a 2009 MacBook Pro.
From reading other posts I understand that the Cinema Display connections are compatible but not the Thunderbolt Display connection.
I am presuming that the display that comes with the iMac is the same as the Thunderbolt Display which can be purchased separately, but maybe I am wrong?
Thanks for your help.
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IMac 27" with Thunderbolt Display connected, Boot Camp Problem

Hi everyone.
Let me start off by saying that I'm using a late 2012 iMac 27", 3.4 GHz i7, 680MX, 32 GB RAM, 1 TB Fusion, with a Thunderbolt Display connected.
I installed Windows 8 via Boot Camp, and it works just fine. Here comes my problem:
I have dual screens and I play Minecraft. Minecraft's full screen is basically crap, and therefore I disabled the iMac display. I used Windows-button+P to use only the secondary display. This turns the iMac display off entirely, and leaves the Thunderbolt Display on. Note: This is not possible in Mac OS X. Then I played a little Minecraft. When I was done, i wanted the main iMac display to come on again. I then used Windows-button+P again, to turn both displays on. Then bam, totally looked like the iMac display was broken. See the images below, to see how it looks:
1) http://cl.ly/image/1p2e3c1Z1z1C
2) http://cl.ly/image/2g0n1M1Y0t0g
3) http://cl.ly/image/2Q2P1c1J220d
4) http://cl.ly/image/113b3K2O1Z43
5) http://cl.ly/image/1q2v1s1n3w1f
This image-retention-like stuff stays there, even if I reboot into Mac OS X, and then it eventually disappears. I can reproduce this, by doing the same thing again, (windows-button+p) but only in Windows, because that you cannot turn of the main display in Mac OS X. Maybe this is the reason why you can't?
Anyone can tell me what I can do? I guess I could try reinstalling, but it seems more like a hardware issue, than a software issue.
Thank you for your time, and thanks in advance.
Another note: I'll try doing the opposite, and see if it happens on the Thunderbolt Display as well. (Windows-button+P, and then only using the main display)
//ifraaank

Ok, I am marking this as "answered", as I have solved it myself, while I still have no clue what lead to the problem in the first place.
I've been on the phone with Apple Care today, and they were as clueless as I was and had never heard of this before.
After we tried the usual stuff (unplugging all wires, PRAM Reset, SMC Reset), to no avail, I was told it could well be a hardware problem and that I should have the iMac examined at the Genius Bar, so an appointment was made.
I'll cancel that one though, as I was able to cure it by myself for now (and carrying around a 27" iMac in Munich's busy downtown pedestrian zone is not really fun).
This is what I did (and I'm so happy I tried):
In Display Settings, I switched the external display back to landscape mode and selected "mirror displays".
Then I rebooted, and voilà, the problem was gone (Apple logo on white background was showing).
I switched it back to 90 degrees rotation and no mirroring, and it's still all ok.
I booted Windows 7 in Bootcamp, then back to Snow Leopard, and it's all still fine.
I can still only wonder what messed this up in the first place, but for now I'm happy.

Does older cinema displays connect to new iMacs

does older cinema displays connect to new imacs

Yes. Use a Mini DisplayPort adapter for that type of display.
(96831)

My iMac is connected to a Brother printer. I have Snow Leopard 10.7.3 As of yesterday, when I try to print a PDF it prints as a blank black page. Does anyone know how to correct this so that the PDF will print as I see it on screen?

My iMac is connected to a Brother printer. I have Snow Leopard 10.7.3 As of yesterday, when I try to print a PDF it prints as a blank black page. Does anyone know how to correct this so that the PDF will print as I see it on screen?

If you are running Mac OS X 10.7.3 then you have Lion installed, not Snow Leopard. It's probably not important to this discussion, but something you should be aware of.
What application are you printing the PDF files from? Have you tried opening the PDF file using the Preview application that can be found in the Applications folder? Does the issue still occur? Have you tried other PDF files from a different source?
Another poster in the following discussion thread reported that this method resolved their black blank PDF issue when viewing (and presumably printing) PDF files from Safari.
https://discussions.apple.com/thread/3890509?start=0&tstart=0
This solved my question by mcbuffy on Apr 20, 2012 11:29 AM
There's a solution if you want to see the PDF inside Safari's window :
Go to the folder : Your Hard Drive / Library / Internet Plug-ins.
If you see a file with PDF in its name drag it to the trash.
Quit and restart Safari to test with a PDF.
If it works you can empty the trash.

Is there any way to turn on Video Mirroring if my iMac display is FUBARed?

Okay, my iMac display is permanently frakked.
Nothing else is wrong with the system (the tech assured me, anyways). Haven't yet used Firewire Target Mode to check yet.
Regardless, I have all the proper cables and adapters--and external VGA monitor--but no way (that I know of) to turn video mirroring on.
If I can't get an external display working, I'll be out either $900 to repair the display or $3000 for a completely new system.
Ideas?

Tried it and no go.
Not sure what's wrong.
Connect the VGA cord to the Mini-DVI-to-VGA adapter
Connect to external monitor.
Boot up iMac with adapter attached. Cmd-F1. Nothing.
Boot up iMac with adapter unattached, attach after boot is finished, Cmd-F1. Nothing.
Repeat, using a different USB port for my keyboard. Nothing (x2).
Repeat again, using a third USB port for my keyboard. Nothing (x2).
If I'm not doing anything wrong**, I can only conclude the techie was incorrect and there is something else besides "just the display" that is wrong with the iMac.
**Is the monitor even connected correctly if I continuously get a "no signal" message? Or is that only because the mirroring isn't enabled?

Can I use iMac display as an external monitor with a pc?

I have a Windows laptop with VGA output. Can I connect this laptop's VGA output to mini display port of my 27" iMac?

This can't be done. VGA is an audio signal and there are no converters to turn it into a digital Display Port (DP) or Mini Display Port (MDP) signal. DVI and HDMI are digital signals (with HDMI having audio and a different physical connector) that can be converted into an MDP signal, but doing so requires an expensive converter or an even more expensive converter and scaler if you want to get full resolution on the target display. The cheaper but perhaps more complicated alternative is to replace your PC video card with a DP/MDP card after which you should be able to drive the 27" iMac display without any converter. Apple didn't include DVI/HDMI input capability in the 27" iMac because that would have required additional circuitry that would have raised the price substantially.

27" imac display acting as two displays

Can seem to find the answer to this, results lead to howtos on a dual monitor setup.
I'd like to know if I get a 27" imac can I have the monitor act as a dual screen setup. Essentially, I would like my windows to load and act the way they do given my dual screen setup that I currently have with my macbook pro.
I know I can resize windows and get it to mimic a dual monitor setup, sort of, but I'm trying to avoid this every time I open something new.
Does anyone know if is this is something that I can do easily with expose and spaces?
Thanks

Welcome to the Apple Discussions!
If I understand your question correctly then yes, the iMac display can be toggled back and forth between the two computers with F2. When the iMac's display is being used by the PC it is in Target Display Mode. The issue is that the iMac can only use mini-DisplayPort input from an external video source. So you would need a PC with m-DP output or a very expensive converter to convert your PC's current video output to m-DP. Then you connect the converter to the iMac with a simple m-DP to m-DP cable. These converters which are fairly new start at about US$150.
Dah•veed

IMac display with Dell Inspiron

I've searched and could not locate the answer to this. My "new" wife has brought a Dell Inspiron 6000 into the family. Not being a windows user - EVER I am looking to see if I can connec the dell to my iMac duo 20" to extend the display. Any suggestions? Thanks. Kevin

I guess that's a Dell laptop...?
And I hope you mean to use the Dell as the second display, not the other way around.
Here's a clever application that uses the open source VNC protocol in a creative way.
http://www.screenrecycler.com/home.html
I makes any computer that can run a VNC client into a second display. The Screen Recycler program basically creates a virtual display and acts as the VNC server of that display. Any computer on the network running a VNC client can share that virtual screen. Make it run at +full screen+ mode and it looks like a regular secondary display. You can arrange it just like any display in System Preferences Displays pane.
I use it myself with an old PC laptop running Ubuntu Linux. Since I already have a real external display on my iMac, the Screen Recycler display is the THIRD display on my iMac.
The main drawback is speed. It is going over a network. For best results, use a wired connection at 100BaseT or better. But even a gigabit speeds, it won't refresh as fast as a display connected directly to a video port. But it works well for static windows. I keep my Mail window open on it at all times. Also, it IS a separate computer, so it won't automatically sleep when you sleep your Mac.

New 27" iMac display allows input - without booting up??

The new iMac sounds very tempting as a non Mac user.
Just had one question. (Apologies if this has been covered elsewhere.)
Can I use it purely as a display without the iMac booting up??
eg If I also purchase a Mac Mini at a later date can this be used for display?
This may serve future proof my purchase.
The following suggests yes:
"Mini DisplayPort.
The Mini DisplayPort lets you connect an external display, including the Apple LED Cinema Display, to your iMac. On the 27-inch iMac, the same port offers input, too. So you can connect any external source that has DisplayPort output — including a MacBook or MacBook Pro — and use your iMac as a display."
But if someone can confirm that will increase my confidence here
Thanks

Welcome!
The new models were announced only this week and may not be shipping yet. As everybody here are end users, I doubt anyone can confirm until they start arriving.
You would do better to watch the Intel Mac forum for user reports of the new models. The one you're now in is for the oldest iMacs with CRT monitors. Intel iMac forums are here:
http://discussions.apple.com/category.jspa?categoryID=189

IMac Display connected to different source?

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