IMac :: IMac Freezes When Connecting External Monitor?
Apr 8, 2008
I have a newer iMac 24" bought in 11/2007. I have the mini-dvi to vga converter and when I connect it to a external tv capable of 1024x768, the iMac freezes and does nothing. I disconnect and the screen turns blue and the flickers back on and everything works. I have made the connection then booted up, and I have tried every resolution all the way down to 640x480, same thing it just locks up the screen, but again as soon as I unplug the mini-dvi to vga cable from the iMac it flicks to a blue screen and everything comes back. I have reviewed dmesg nothing, and revieiw /var/log/messages. Is there any troubleshooting I can do. I am old school unix/linux guy just converted my family to Apple and would like to use the display on my tv to watch my iTunes movies.
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Nov 14, 2009
I have a 27" Imac and want to use an old 19" monitor as an external unit. I have it hooked up and turned on. Just the old wallpaper shows on it. There isn't an icon or anything diff on my iMac screen for it. How do I use the external? I realize this is pretty dumb, but I'm a newbie here and my Mac expert son is in NC....
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Dec 17, 2010
I want to hook up my new monitor with my 21" Imac. I have bought this mini displayport to dvi adapter. [URL]. What dvi cable should I buy? The adapter is dvid single link, but according to wikipedia the conector is dual link?
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May 28, 2012
I'm trying to using my iMac wireless keyboad for my macbook pro while my iMac is in external display mode but I can't get the keyboad to connect. I've tried disconnecting the wireless keyboard from my iMac but it won't go into target display mode without the keyboad. Can I used my iMac wireless keyboard with my Macbook pro while my iMac is being used as an external display?
Info:
MacBook Pro (15-inch Late 2011), Mac OS X (10.7.4), Main Computer
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Feb 8, 2010
I have the mini display port plugged in and a vga cable from the imac to my external monitor. I should just be able to turn the monitor on and it work but the imac doesn't detect it and it just comes up as a black screen.
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Mar 15, 2009
I currently have one 19" Samsung monitor connected to my iMac via the Mini-DVI. I am looking to get another monitor hooked up, but of course there aren't any more video ports. Are there any alternatives? to have two monitors connected to my iMac? I have heard of the DualHead2Go product, and possibly connecting via USB? Any info on the above and if there are any other methods.
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Jun 4, 2010
I have an iMac 24" 28Ghz (1Mac,8.1) and want to connect a second palette monitor to the mini DVI port, using a mini DVI to VGA connector. Search Apple's forums shows issues with cursor jumping and wrong resolutions. I really want to run my Adobe CS4 suite with the tabbed palettes on the second monitor to my right.
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Oct 27, 2010
So, I'm not really expecting this to actually work, but is anyone aware of any way I can use my 20" Mid-2007 iMac as a secondary monitor for my Mid-2009 MacBook Pro without any wires and for free?
I add for free because I heard something about a program called ScreenRecycler or something like that, which costs money and thus I am not interested.
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Jun 22, 2010
Here's my idea on a setup when I move into my garage. Xbox 360 connected to iMac 27" with a Kanex XD HDMI to Mini DisplayPort adaptor. A FreeView box also connected via HDMI though the Kanex XD adaptor using a HDMI switch. Or instead of the FreeView box I might get an EyeTV TV Tuner so I can use the new app to watch live tv on my iPhone.
Here's my other idea...
Mac Mini connected to my 42" Samsung HD monitor via HDMI
Xbox 360 also connected to the monitor with HDMI
A FreeView box also connected via HDMI to the monitor with a HDMI switch to change between the three.
I suppose it depends on screen size at the end of the day.
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Jul 11, 2010
i want to buy the new imac 27'' with i7 and i have few questions (i will use the imac for HD editing. The footage that i will use is from canon mark II 5D) First my question is did anybody has problems with connecting a second monitor for preview? any problems with MAC OS 64 bit? And is this machine good enough for full HD editing?
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Jan 9, 2010
I have a 27" i7. I have a 24" DVI Montior hooked up to it via MDP->DVI adaptor. When the 24" Monitor is on, everything is fine. When I turn the monitor off, the magic mouse tracking on the 27" screen stutters. I am not kidding - it took me ages to figure out that to fix I either need to turn the other monitor on OR disconnect the MDP->DVI adaptor.
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Mar 14, 2012
I moved to an iMac from PC 3 months ago, and installed my NAS server as an externally mounted drive, with password protected user logon, and a separate media folder for all itunes music, videos etc, and all photo storage.
This worked fine for a couple of months, and seemed to connect automatically at startup I don't recall any issues at all.That changed a few weeks ago, and each session I now need to re-connect by logging on to the NAS with password. The consquence is that the Home drive keeps being remapped to the internal HD, and the itunes media storage location to the same internal HD, not the NAS.
Info:iMac (21.5-inch Mid 2011), Mac OS X (10.7.3), QNAP TS-419P NAS server
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Aug 6, 2008
Upon booting the machine, the LCD display flashes a proper view of the login screen for about 1 second
but then goes dark. When an external monitor is attached the external monitor works perfectly fine -- the
only trouble being that the external monitor is not currently set to "mirror" so it is impossible to log in and access the machine. The IT dept at the institute has a monopoly on repair of computers and so the quick answer -- take it to Apple is not all that easy. Is there a way to:
1) set the iMac to mirror display upon booting up by some clever key combination?
2) set the machine to mirror by remote access and command line methods?
3) mirror by changing something using target mode?
4) or the obvious...somehow login using the real estate provided by the external monitor.
Also has anyone seen this problem with iMac displays? An Intel iMac I think 2.16 Intel Core 2 Duo processor running Tiger.
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Oct 23, 2009
I heard this is possible, however will it be possible with a windows laptop ( dell e6400) It's a work laptop and wasn't sure If I could do this with some sort of adapter.
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Nov 14, 2009
Title says it all...how does the new iMac work as an external monitor? Is there a way to use it as a monitor without having to log in / load OS? Is there any delay as compared to a standard monitor? I'm just thinking long term as the iMac becomes long in the tooth and we move on to new machines. Can the iMac still be used as a quick turn on monitor or do you need to load up both machines (and do you need to rely on all parts functioning in the iMac, such as mobo, hard drive, etc. still working) to utilize it as a monitor)?
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Feb 16, 2010
I am iMac 27" owner and I would like to know if it is technically possible (how?) and advisable to connect a PS3 (or other videogame station) to show it in the iMac 27" display.
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Jun 18, 2008
Is it possible to use an iMac (g4) that has a broken hard drive as an external monitor for another computer?
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Sep 17, 2010
On my 2008 24inch iMac the screen has a problem ( dead pixels ) and I will get it replaced in the future , in the mean time I have a very nice large external monitor connected to the iMac which I use ok, what I am looking for is a way at first when booting up , to be able to see both the iMac's screen and the external monitors screen , then some how shut off / make blank the iMacs screen only leaving the external monitor on ?
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Nov 18, 2010
I have an iMac that I keep connected to an LG HDTV via Mini-Displayport to HDMI. I was wondering if there was any way to disable the external monitor without unplugging it? Turning off the TV doesn't actually disable the monitor as I still have the OS thinking it's still on therefore spaces imitates it as being two monitors when its really only one. The main reason I want to disable it is to save my VRAM while I'm playing Source games on Steam.
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Dec 9, 2006
I've been given (!) a G5 iMac which is practically brand new. It's only problem is that it suffers from the sudden shut off issue which seems to plague the G5 thanks to a faulty Power Supply and some caps on the mobo which get taken out by the PS. I've replace the power supply, but can't afford to get the mobo fixed, and since neither Apple nor any of the alternative operating system makers such as Linux will be supporting this system into the future, I figure that the hardware is essentially orphaned. I'd dearly like to use the screen though, as it's in great shape and is a beautiful display. So, my question is, can the internal screen be connected to an external source such as the video card of another computer? It would be great to use it for my music production machine. If anyone has any ideas, let me know. In the meantime I'm going to have a look around inside this beast and see what I can do.
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Jan 13, 2009
I'm looking to turn my new macbook pro into an external mimic monitor for my new imac. ...like, so that I can move my mouse from the imac screen to the pro's screen. How do I do it? Is it possible to do it wireless?
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Feb 9, 2009
I searched the forums, but it doesn't appear as if this question has ever been sufficiently resolved...so I am going to raise the question again. I apologize in advance if I somehow missed a thread.
I have an iMac (20", 2006 model, Intel Core Duo, etc.) that is in excellent, working condition...aside from the fact that it didn't like having its face smashed in. The screen is almost completely covered with the weird leaf-like pattern that forms in such situations...and is thus, unusable at this point.
Can anyone tell me, without a trace of doubt, if it is possible to hook up a new LCD monitor to the iMac and use the old, broken unit as a CPU? If so, what will I need? Has anyone actually done this?
Conversely, would I be better off simply selling the iMac for parts on eBay and putting the $$ toward a shiny new Mac?
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May 2, 2009
I have just bought an external monitor to make a dual screen set up with my imac. So for the first time I am looking at the colour profiles. Would I be right in thinking that if I select profile "sRGB" on the external and "sRGB IEC61966-2.1" on the iMac then when I have the two screens side by side, the colours will match? I have using the Apple 'iMac' profile for two years and anything else just looks strange. What is the 'true' colour or is it just a matter of opinion? Which profile is nearest to real life?
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Aug 7, 2010
I'm looking for a good External LCD Monitor for the new iMac 27
I'm a Software Engineer and want to use it along with the iMac for developing iPhone, iPad applications
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Aug 16, 2010
I bought the mini-display port to dual link dvi adaptor for $99. However, it doesn't work from going from my pc to the imac or from my macbook pro to the imac. I find it retarded that they wouldn't even sell a working adapter.
Has anyone gotten this to work or does anyone know which adapter I can buy to get this going?
Again.
-PC to iMac
-2009 (pre-minidisplay port) dvi to imac.
I need it to be dual link dvi because I want to use it at max resolution.
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Jul 10, 2009
I'm looking for a external monitor that is compairable in brightness as my iMac's screen. The brand needs to be Samsung, and the look of the Samsung moniter I would prefer to look like the examples below. Why? Because I want it to match my TV. I'm also looking for a small monitor because the space I have is pretty small and I dont want to have to move my iMac and look at it at a angle. I currently have a Samsung SyncMaster 906BW with a 1440 x 900 60hz resolution and its VERY dull compared to my iMac and its at 100% brightness and 85% contrast. Here are some of the screens I'm looking at so far, would they be close to as bright as my iMac's screen?
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Aug 21, 2009
I want to run an Imac and an external Monitor, but I want to use the complete graphics power on the external Monitor, so no mirroring of the displays. Is there any way to shut down the internal display?
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Aug 20, 2010
Is there a way to disable the external monitor? I don't want to have to unplug it every time I want to disable it... There must be a way. What options do we have?
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Aug 15, 2008
On my 2008 24inch iMac the screen has a problem ( dead pixels ) and I will get it replaced in the future , in the mean time I have a very nice large external monitor connected to the iMac which I use ok, what I am looking for is a way at first when booting up , to be able to see both the iMac's screen and the external monitors screen, then some how shut off / make blank the iMacs screen only leaving the external monitor on ?
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May 14, 2012
Can I use an iMac 2009 as external monitor for a MacBook Air 2010?
Info:
MacBook Air, Mac OS X (10.6.8)
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