IMac display on TV

Is there a cable available that would allow my iMac to display on a TV with only HDMI or component inputs? Is there a maximum output range? In other words would the display be decent on a TV screen size between 42 and 52 inches?

mt granny....I just did what you are wanting to do only with a MacBook so ports on the computers will be different...on the MacBook I used a Mini-DVI to DVI adaptor and then a DVI to HDMI adaptor and then connected to a HDMI cable to hook up to 37" Toshiba...my MacBook Desktop is amazing on it
Since I am not sure which one of the iMac G5's you have it is difficult to say what type of video port you have but after checking out all the cables and adaptors at Fry's yesterday I would expect it could be done

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Putting iMac display to sleep, when using TV as a screen.

I have just connected my iMac to my 42" Panasonic 1080p TV, the connection was easy and is working fine. My questions relates to putting the iMac display to sleep when using the TV as a monitor, if I am watching You Tube, Sky Player or a DVD, I intend to use my TV as the monitor. Is it possible for the iMac to puts its display to sleep, whilst leaving the TV on. I played around with this today, however was unable to manage this.
Regards Craig

Hi Craig
There is no way to independently sleep either the iMac's Display or an attached Display/TV. However if in the Display Arrangement Preferences you set the attached Display or TV to be the Main Display and turn Mirroring Off, then FrontRow and the Full Screen Mode app's like, DVD player, QuickTimePlayer, etc. will black out the unused iMac display.
Dennis

Intel imac display glitch and involuntary restart

Just want to know if anyone else has experienced this specific problem, there are plenty of complaints about intel imac displays but I can't be bothered to sift through them all trying to find a match for my problem.
A couple of months ago I was watching a video in quicktime and noticed that my screen was glitching and flashing fragmented diagonal lines - like a commodore 64 loading type thing. Then the spinning-ball came up and a force quit didn't do anything so I had to force shut down. I started up and it occured again. Then the screen went blank/black, but still lit up, and restarted without me doing anything. It also got stuck during start up the second time this occured. I panicked and ran out to buy a 500GB external drive, backed up all of my work and then re-installed mac osx from disk, archive and install job. This seemed to sort it and for the following two months it seemed OK. No sign of any problems.
Since then I have updated from 10.4.7 to 10.4.10 (which I have suspicion that it screwed the firmware in my motu 828 firewire audio interface, costing me a £130 repair - but that's another painful story).
It happened again tonight (the screen thing, not the motu). And the ball came up and I couldn't do anything. Force shut down, restart - screen glitching again. Then I had 2 unexpected restarts, one getting stuck in startup. Then a successful startup but accompanied by the glitchy graphics, mainly red/pink pixellated diagonal lines flickering in and out. I ran a disk first aid - no problems. Did a disk permission repair. Shut down and ran a hardware test, the first few minutes of the test the screen was still at it but then stopped glitching, hardware test found no errors (it was an extended test too). Now I'm back on it and it's all OK.
Any suggestions/similar stories?
When it occured 2 months ago I had the original ram that came with the imac. Now I have 2x1GB sticks of crucial ram.

That's it! Well, that's what I have. Unfortunately, I don't know about the cause, but I don't ever recall having it prior to an update going back about a year ago. I recall an update, and that update being immediately followed by some sort of Apple Graphics something-or-other. I feel pretty certain that's when I first noticed this. I just had my LCD replaced for another reason, but I think you'll agree, it's not an LCD issue. In my case, browser activity, scrolling up or down in a page, seems to be the most common trigger. I've also seen "pieces" of the torn page, on the screen when minimizing the browser to the dock (usually Firefox, but I think I've seen it with Opera and Safari too). Is there a way to find update packages installed somewhere? I'd know it if I saw it, and I'd definitely try removing that suspect package/update.
Message was edited by: geekboy2000 - corrected OS

User Contributed Tips in Intel-based iMac Your Intel-based iMac Display

*The following User Contributed Tips are located in the Intel-based iMac > Your Intel-based iMac Display forum:*
a brody - Using a second Mac as a display for a first
http://discussions.apple.com/thread.jspa?threadID=1587927
Publish date: July 7, 2008
*The following related tips are located in other areas of Apple Discussions:*
See also User Tips Library

My 20" 2.16 GHz Intel Core 2 Duo had become almost useless due to freezes and crashes- with NO crash reports in the logs.
They were often preceeded by video glitches, so I assumed it was a bad video card- unfortunately soldered to mother board.
Apparently, from forum postings, this is not an uncommon problem. The computer would run longer if the day was cooler, but rarely more than 10 minutes, so I suspected it was aggravated by heat.
Then I found this post from Bodomann on an Apple Support forum:
"Following up on my previous posting regarding my son's late model 2006 iMac that required a $900 logic board replacement:
Turns out the problem is apparently related to a bad CPU temp sensor. I installed 'iMac Fan Control' (Google it) which reported the CPU temp always at 32 degrees Fahrenheit (obviously incorrect). The same software allowed me to adjust the CPU fan manually. After multiple trials I set the CPU speed to 2800RPM after which the system would run forever - never freezing with the dreaded grey box 'reboot me' screen. I tried several times reverting the software to default speeds and the system would always crash within 10 minutes. "
I downloaded free Fan Control 1.2 for Imac from Derman Enterprises (they have an Intel iMac and a Mac Book/Pro version). It installs as a system preferences control panel. I cranked up all three fan speeds. The fans sped up noticeably. Horizontal lines have gone from screen (so far), no color artifacts and no crashes yet. I may have a real computer back! Hope Apple checks this out-
The control panel also gives the temps sensors are reporting at the CPU, hard drive and DVD drive. The CPU sensor reports the CPU temp as 32 degrees F- which is clearly wrong, unless Apple has been installing little refrigerators inside.
So thanks to Bodomann for posting- Hats off and three cheers to Derman and Cristoph for source code.
http://www.derman.com/iMac-Fan-Control
http://www.lobotomo.com/products/FanControl/index.html

When streaming a movie from an imac to apple tv, is there a way of putting the imac display off? I find it a waste having the screen on in another room. Any advice?

When streaming a movie from an imac to apple tv, is there a way of putting the imac display off? I find it a waste having the screen on in another room. Any advice?

No problem.
This is a user forum so you are not addressing Apple. There's nothing to fix, that's how home-sharing works. There would be no way for the ATV to recognize your library and display content if the computer is in sleep mode.
You can always airplay from an IOS device or use icloud if you don't wish to keep the computer on.

IMac - Display doesn´t work after restart

My iMac 21 Display doesn´t work after restart. If I turn it off and 1 hour later I want use it again the iMac shows the white screen with the mac logo and then the display goes off. I connected an external display to check if the iMac was ON and with the external display I can login and do everything but the iMac Display doesn´t work .
If I turn it off and wait 3 or 4 hours and then turn it back on the display works OK.
This is very strange behavior I have spent hours and hours trying to fine the solution or a similar issue but nothing so I am looking help here at apple.com
BTW When I bougth the iMac 21 there were some spots over the display so the display was replaced by the provider. The warranty has expired by now.

To tell you the truth, I don't know if they have to repalce the LCD panel or what they do for a bad backlight. In this reality of block or assembly replacement it probably involves repalcing the panel and not the backlight component. Don't know what it would cost. You'd have to ask that of a service center.

Why does my iMac display go off when I am starting up or waking up my machine from sleep..

Why does my iMac display go off when I am starting up or waking up my machine from sleep..?
When my iMac goes to sleep I then later try to click the magic track pad or keyboard and it will usually then show the initial password entry login screen and then go off. The machine is still on but the display is black and will sometimes flash up the screen again if I press the magic track pad or keyboard but will then black out again..

Well, there are many different reasons why it does this. It might shut off due to power voltage problems, system overheats, or there is a System Problem. The reason it might be hard to boot up is because your power button might not work properly or your system hard drive is damaged.
<Email Edited by Host>

My 27" iMac displays vertical green lines when turned on and then will not boot up

Can anyone tell me why my 27" iMac displays vertical green lines when it is turned on and then will not boot up?

Welcome to Apple Support Communities
The display or graphic card are damaged. The only thing you can do is to take your computer to an Apple Store or reseller to get your computer repaired.
If you use an external display with your Mac, connect it to your computer and see if these lines appear on the external display. If so, it's a graphic card problem

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?

Apples update didn't work for me: Boot Camp: iMac displays a black screen during installation of Windows 7

Boot Camp: iMac displays a black screen during installation of Windows 7 - Apple Support
I have followed each of the steps listed in the link above with no success.
Prior to adding the extra drivers I was able to start the Windows install process up to reformatting the "Windows" Bootcamp drive. After that the computer would go through some instal processes and eventually restart. After the restart the screen would go black. The black screen lead me to the Apple Support link above dated March 5 2015. After going through steps listed in the link above, I get an error message stating that the D:\Sources\instal.win. file cannot be located. I am forced to restart the computer at that point and theWindows install process attempts to start again but always ends up at the same point.
Note: I am installing windows 7 Pro from a DVD. I scanned the AutoUnattend.xml file and noticed that it refers to "Windows 7 ULTIMATE" but not "Pro" or any others that I could see. (see below). Could that be part of the issue?
Any feedback would be greatly appreciated.
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 ULTIMATE" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
</unattend>
iMac (27-inch, Late 2009)
2.66 GHz Intel Core i5
16 GB 1067 MHz DDR3
ATI Radeon HD 4850 512 MB

Here is an over-simplified explanation of WIM and CLG files. Assume your DVD Media contains
W7- Ultimate
W7- Professional
W7- Home Premium
W7- Home Basic
WIM Files
File1
y
y
y
y
File2
y
y
y
y
File3
y
File4
y
y
File4
y
y
y
The File .wim will contains a compressed image which contains File [1...5].
The W7-Ultimate .clg will have 5 entries, with all set to 'Y'.
The W7-Professional .clg will have 5 entries, with 'Y','Y','N','Y','Y'.
The W7-Home Premium .clg will have 5 entries, with 'Y','Y','N','N','Y'.
The W7-Home Basic .clg file will have 5 entries, with 'Y','Y','N','N','N'.
This allows a single .wim Image file on the DVD media to be used to install any of the 5 flavors of Windows. When you enter your product key, the Installer knows what specific W7 variant you have the key for and will tell the WIM to extract the specific files the installer needs to be extracted.
The following line
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 ULTIMATE" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
is telling that a retail product key will be entered, which should go look for this specific .clg file (from the five you already have on disk). You can test if it will work for you by changing this line to the following
<cpi:offlineImage cpi:source="wim:d:/sources/install.wim#Windows 7 PROFESSIONAL" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
If it does not work, the other issue can be related to device discovery. Typically A: and B: device names are reserved for Floppy Drives. C: is your internal HDD.
D: can either point to the Optical drive, or the USB. The normal convention is that the removable media is named from Z: backwards. Y: and Z: are usually used for Network drives, so X: should be your USB. First try with the change to "Professional". If it does not work,

Using iMac display as extended desktop?

Hi,
is it possible at all to connect a MacBook to an iMac display to extend the desktop (or mirror)?
Thx
JP.

Hi,
yep it works with one of my laptop, but not the other one for some reasons... still working on that.
Thanks
JP.

IMac display getting yellow when external display is attached?

Hi,
I have a problem with my IMac (27'' Mid 2010):
I have an external TV attached via MDP->DVI->HDMI cable. When I turn on the TV, the iMac recognizes it and the iMac display turns blue shortly, then the desktop returns and my TV is ready.
What I noticed: After the desktop returns, the iMac sometimes suddenly becomes "more yellow". Don't know exactly how to describe it, but I can clearly see how the desktop returns and then suddenly the imac display turns a little yellow, could also be that the display just gets a little darker (although the display brightness is the same as before). it's nothing that really disturbs me, and although I never saw the color return to normal it does (but I think only after rebooting the iMac)
anything on this? anyone else noticed that?
Message was edited by: nachdenki

Hi nachdenki
I've used both TV's and Monitors with my iMac over the years and that default iMac Profile has always looked yellow in comparison. Try one of those other sRGB, RGB Profiles or create a new Color Profile for the iMac's display.
http://www.computer-darkroom.com/colorsync-display/colorsync_1.htm
Dennis

Latest iMac display vs. Cinema Display

I posted this also on the Intel Mac Displays area, but wasn't sure if that was the best place.
I'm hoping to get a new Mac for graphic design at work. I'd love to get a tower unit and 23" display, but I may need to save the company money and go for the iMac with maximum RAM. At home, I have a 20" Cinema Display with my G5 and a 17" iMac (all just prior to Intel conversion). The iMac display doesn't look as clear and sharp as the Cinema Display.
Can anyone tell me how the latest iMac 24" display compares with a 23" Cinema Display, as far as quality of what you see? Is the graphics card the determining factor?

I'm not sure why you would think the 17 inch iMac didn't look as clear as the 23 inch cinema display. I've seen a fair few of them, and they look fine to me.. The graphics card shouldn't have anything to do with it.
I've seen a 24 inch iMac and both the clear and metal 23 inch Cinema displays, and the display quality seems comparable to me. If anything, the metal cinema display and iMac are better than the clear cinema display.

My 24" iMac display suddenly shows blank screen with funny pattern

My 24" iMac display suddenly shows blank screen with funny pattern after bootup. Anyone know the cause? http://twitpic.com/51hih7 http://twitpic.com/51hihw http://twitpic.com/51hiiv

My 24" iMac display suddenly shows blank screen with funny pattern after bootup. Anyone know the cause? http://twitpic.com/51hih7 http://twitpic.com/51hihw http://twitpic.com/51hiiv

Using iMac display with a second computer

Hi,
Is it possible to plug in a PC's video output into the iMac and use it as a temporary display? My idea is to use the iMac but be able to switch to my PC without needing 2 monitors on my desk - just the iMac display. Is this possible?

Ah, cheers for the info.
Do you reckon this could work - http://www.microsoft.com/mac/products/remote-desktop/default.mspx
Basically, I just want to use the hardware on my PC for doing 3D modelling in Maya 2008 and 3ds Max (Not supported in Leopard, and the graphics card in my PC is far superior to the one in the iMac), but only have one display on my desk - the iMac, which I'll be using for everything else.

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.

IMac display on TV

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