Vga display connect to imac 2007

How do I connect my pc with vga output on my Imac from 2007?

jshAtBCA wrote:
Definitely seems like miscommunication to me. I should have clarified...those specs that I quoted in my OP is directly off the tech specs on Apple's site.
Yes, it is clear where you got them from. They are accurate.
I have no means of interpreting those specs in a way that makes sense to me that matches reality. It seems completely bogus, but I can't help but believe that the text was vetted before it made to the web site. It probably means something; I just don't know what.
If you are questioning why or how you can hook up a 2nd monitor with a screen size bigger than the one inside the system...
It is built with multiple GPUs a dedicated GPU and the specific size it to handle existing Apple displays:
The Apple Cinema HD is a stunning, all-digital, 30-inch flat panel display with a 2560-by-1600-pixel resolution.
There is nothing shady or odd, rather well thought out.

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VGA screen connection for Imac

Hello!
I have a Imac with a 20" screen that I bought during Fall 2007.
Now I have bought an extra 1920x1080 21.5" screen for my Imac which only has VGA connection (and thus only fits a computer with female VGA connection as delivered with a male/male VGA cable).
How do I connect this screen to my Imac which only has USB, Firewire and network connection?
Very grateful for help, best palbin!

Hello palbin
Welcome to Apple Discussions!
You need the Mini-DVI to VGA adapter to connect the display to the iMac's Video Output Port.
http://store.apple.com/us/product/M9320G/A
Dennis

Computer falsely shows VGA display connected (reported by several)

--- From this thread (http://forums.macosxhints.com/showthread.php?t=68002) over at macosxhints ---
My 24" iMac (2006, the last white one) Core2Duo all of a sudden has started showing a "VGA Display" attached, which of course is impossible. From reading this thread it sounds like it's a motherboard issue? I rebooted into Win7 beta on my Boot Camp, and the imaginary screen also shows up there as an "analog display" which I can't remove.
I'm long since out of warranty, never bought AppleCare. Fortunately, so far the iMac is still usable, I'm not having the blue screen issues described earlier. I can go into Display Preferences and set the VGA Display to several different resolutions...I set it to 640x480. Clicking "Detect Displays" doesn't do anything. And I can change the Arrangement of the screens, and enable and disable Mirroring.
Very weird problem...thanks for any further comments, it's difficult to google this issue. At least I've backed up my data and am ready for it to die, if that's what is happening. Thanks.
MacOSX 10.6.2
iMac 24" 2006 2.16GHz Core2Duo
4GB RAM
NVIDIA GeForce 7600 GT
Message was edited by: krimac

You should consider taking the matter up with Apple before your warranty runs out. Problems like that are sometimes hardware related. It could be your Mac needs a motherboard swap.

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?

2nd display connected to iMac stays black (Thunderbolt - HDMI)

Hi everyone,
with my new iMac (purchased 2 weeks ago) I have the problem that my 2nd display will stay black after I connected it to the Thunderbolt port. The display shows the blue background for a split second, then i goes black (and stays that way). I find the following lines in the log file:
Feb 15 18:18:34 Edoras Dock[157]: kCGErrorIllegalArgument: CGSCopyDisplayUUID: Invalid display 0x003f003d
Feb 15 18:18:34 Edoras Dock[157]: uuid_callback_master: failed to retrieve UUID for display 0x003f003d (1001) (invariant failure)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
Feb 15 18:18:37 Edoras Terminal[513]: _NXGetScreenRect: error getting display bounds (1001)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: _NXGetScreenRect: error getting display bounds (1001)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: _NXGetScreenRect: error getting display bounds (1001)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: _NXGetScreenRect: error getting display bounds (1001)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: _NXGetScreenRect: error getting display bounds (1001)
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetCurrentDisplayMode: Invalid display 0x78c8d3f5
Feb 15 18:18:37 Edoras Terminal[513]: kCGErrorIllegalArgument: CGSGetDisplayBounds: Invalid display 0x78c8d3f5
The display is an AOC e2343F2, with two HDMI and one VGA port. I am using a Mini-Displayport to HDMI cable to connect the display. This worked with my Mac Pro (from 2006, AMD Radeon HD5770) without a problem.
Is this a problem with the in 10.7.x included drivers?
With the new Thunderbolt port?
I tried it with 10.7.2 and 10.7.3 on the iMac and the Mac Pro. It works like a charm on the Mac Pro, but not on the iMac. Do I need to buy the overpriced Apple adapter and can't use my adapter cable anymore?

Just a theory. Looking at the log errors you showed the system cannot get the display bounds. My theory is that the display is not able to pass the EDID (extended display identification data) through a TB port. While your 5770 could handle it the TB can't. Again, it's just my theory.
Another thing to check is your Displays system preferences. See if the Display is showing in the Arrangement tab. If so click Detect Displays and also Gather Windows to bring the second monitor's Displays preferences on to your main monitor. If you get this far then set the appropriate resolution and refresh rate (if refresh rate is shown).
If there is no Displays Arrangement tab then the system doesn't even know the second monitor is connected. I don't have a solution for this problem since I don't have TB. Although the resolution is not as good you may have to try a VGA adapter for that monitor. No guarantees that will work either of course.

How to adjust the brightness of a second display connected to iMAC 2012 by Apple Mini DisplayPort to Dual-Link DVI Adapter?

How to adjust the brightness of a second display (Dell 3007WFPHC 2560x1600 dpi) connected to 27 inch iMAC 2012 through thunderbolt port by an Apple Mini Display Port to Dual-Link DVI Adapter?

Macs control computer by USB. With a non-Apple display, you will have to use the brightness control on the display.

Imac does not detect external vga display

Please help with connecting external vga display to an imac 21.5'', late 2012, OS X 10.8.5 via Mini DisplayPort to VGA adapter.
I have connected an external monitor (Fujitsu Siemens) to the thunderbolt port of the imac using a Mini DisplayPort to VGA adapter. The imac does not detect the external monitor. I have followed all instructions and suggestions I could find at Apple Support Communities without success.
The monitor is in perfectly good working order as it has no problem connecting and performing flawlessly with a dell windows laptop. The imac, connected via the Mini DisplayPort to VGA adapter to the D-Sub connector of a Samsung smart TV, also worked perfectly.
To add insult to injury, occasionally, when restarting the iMac with the external vga display connected and powered on, the iMac screen starts intermittently turning blue for a brief second or so and resuming back to normal. The frequency of 'blueing' is once in 2-3 seconds. This particular rather disturbing problem, luckily ceases when the external display is switched off.
Any advice and help with resolving the above connection problems will be gratefully appreciated.
Thank you
ghogoh

I am having the same issue. Hope Apple can fix this soon!!!

MBA won't wake from sleep while connected to VGA Display

Since a few days I'm using a VGA Display connected through the official Apple Mini Displayport - VGA Adapter. However, when I put my MacBook Air to sleep and then close the lid (otherwise closing the lid will just continue on the display). Keeping the monitor attached, it won't wake from sleep anymore. Disconnecting the adapter at that moment won't make any difference. What troubleshooting steps can I make?

I usually...
Take out the charger
take out the battery pack
reinsert the battery pack
Then click the power switch
(if you have low battery I'm sure it would be a good idea to plug in the adapter again

VGA display powered off

iMac in classroom, with VGA display connected for occaisional use. When I open a new finder window it opens on this 'second display' which is not on, and thus invisible to me. I want the window to appear on the iMac desktop, but it uses the external display. So my options are power on the display, wait for it to come on, then turn around behind me and drag the window back to the imac desktop, or to physically unplug the display.
Is there a way to gather all app windows onto the imac desktop in one fell swoop? Seems a simple UI task, but I can't discover it.

I would use the Apple mini-DVI to DVI adapter and then get a DVIU to HDMI cable from a local retailer. They are also available online from a ton of places - and probably at a lot lower price.
There really is no need to involve VGA when you would need another adapter to go from VGA to DVI, then the cable to go from DVI to HDMI. I would take that adapter to your local Apple Store and see if they would do an exchange for you.

How do I connect a Apple VGA Display Adapter to my iMac 2 GHz Intel Core Du

I can connect the PC VGA side of the adapter to my external flatscreen monitor though for some reason can't attach the mini-DVI to the back of my iMac. The connection just doesn't fit which is odd since they both carry the same logo. I looked online to see if I needed a special cable to connect the adapter to the back of my iMac with no such luck. What do I do?

I understand your caution, but the symbol next to your Intel-based iMac's mini-DVI port designates the port as a display connection, while not specifying the exact type of display connection.
I can confirm that the same symbol that you see next to your Intel-based iMac's mini-DVI port is also seen next to mini-VGA ports on iMac G5 models as well as on iBook G4's.
The mini-DVI video display connector that you need is a 32-pin rectangular connector, while the mini-VGA connector that you have is a 14-pin rectangular connector. Looking inside each, it's possible to count the pins. If there were accurate external photos not too small, you could tell there's a difference between the two adapters by comparing the shape of the mini ends. Without side by side display, however, they are apparently easily confused, as an Apple Store employee once sold me the wrong one for my iBook.
The M9320G/A adapter you need won't connect to the M8639G/A adapter you have, but is to be used instead of it, as it will connect to the Mini-DVI port of your Intel-based iMac (as well as the MacBook, and 12-inch PowerBook G4). The Intel-based iMacs don't have a mini-VGA port.
Matching your proposed connection, the July 11 Apple Store review by "MV" of the M9320G/A adapter said: "mini-DVI into the back of my Imac, plugged the VGA into a VGA cord...".
Your M8639G/A adapter connects only to the mini-VGA port on the eMac, iMac G5, 12-inch PowerBook G4, or iBook, but will not connect to any Intel-based iMac port.
Message was edited by: myhighway

I need to connect my Imac 27'' (newest version) up to 3/4 monitors (all 40'' LCD tv's with VGA and HDMI connections) with extended display to all external screens, not duplicate images. Is this possible?

i need to connect my Imac 27'' (newest version) up to 3/4 monitors (all 40'' LCD tv's with VGA and HDMI connections) with extended display to all external screens, not duplicate images. Is this possible?

I would suggest you visit an Apple dealer, preferably an Apple Store if there's one in your city, and ask for assistance in determining what you need. The questions and issues you bring up are rather complex to address in a technical support forum and would be better addressed in person where you and the salesperson can ask questions back and forth to arrive at the optimal setup.
Regards.

Help! Syncmaster 1100 blurry when connected to Imac with Mini DVI to Vga

Hi,
I recently tried to use my Samsung SyncMaster 1100 (21") as a secondary display But when I connect it with the mini dvi to vga adapter to my imac the image looks blurry. Is there some compatibility isue with syncmaster 1100?
Please Help!, I tryed the imac with a different secondary monitor and it works fine. I tested my syncmaster with another pc and it works fine. I don't know what else to do.
Thanks in advance

Hi Josh,
To start, it is considered extremely impolite to type in all capital letters as you have done. Please use all lower case, or preferably properly capitalised text, in future.
With regards to the problem you're having.. the reason you only see the desktop background is due to screen spanning. If you want the external display to display the same thing as the internal display, go to the displays system preferences pane, and check the box that says "Mirroring"
The color problem is probably due to a loose connection somewhere, either between the iMac and its adaptor, the adaptor and the cable to the projector, or between the projector and the cable plugging into it. If you're still having problems, try different adaptor cables, or try plugging it into a different monitor to try to work out which one is causing a problem.
Good luck

Connect 2 external Displays with a iMac 27''

Hi,
is there a way to connect two external Displays with a iMac 27inch. Eyefinity? Its a Radeon 5750 inside the iMac isnt it?

Hi,
For the first screen is no brainer you use the Apple adapter to have video out to HDMI or DVI, but the second screen is where it gets tricky...
There are USB to DVI out external video cards that should work with the iMac and OS X 10.6 but I have changed. Honestly I have tested 6 so far and none of them works as advertised, you can not even set minimal resolution on there and some wont even work ( all of them come with OS X 10.6 drivers )
So I will recommend to stay away from the small $70 or $90 external USB to VGA/DVI cards...
(maybe someone has luck with them but i have tried like I said 6 so far different brand and no luck..)
Now recently online I tripped over a nice external video card that takes the MiniVideo Port out from the Mac and then takes it to another 2 monitors price was $249 i think, and you could hook up 2x30" monitors with hight res... I will try to find this link and post here later on.
Regards,
Goran

IMac screen suddenly recognizes VGA display that isn't there? Big problems

Hello:
My dad was using his iMac G5 when the display went to a blue screen (detected an external display) and formatted to take up a small amount (10-12 inches) of the 17" screen. As I was writing this, the detect display blue screen again flashed and returned to normal.
Under display prefs, it listed a VGA display. However, there isn't even an adapter in the adapter port. Does anyone know what is going on here? I live several hundred miles away and it just so happens that I was here for the weekend. I would like to resolve this asap.
No AppleCare.
Thanks,
Tyler

Sorry to chime in without a solution, only another query along the same lines. I have a co-worker who's imac (24" 2.33 intel) sometimes starts up thinking that there's a second smaller display connected. The first time this happened, the dock didn't show up (she had it set along the right-hand side, it was apparently on the "other" screen), she restarted and it would then show up. A couple of days ago I was doing some updates, restarted, and the dock disappeared again. I noticed that the mouse fully disappeared off the right side. Having seen this behavior when two displays were connected in the past, I went to the display preferences panel and it registered two screens, the main one and a much smaller one on the right side. I clicked the "detect displays" button, which reset it correctly back to a single monitor, thinking issue solved. But this morning the same issue occurred. Easy to fix, granted, but I was hoping there might be a more permanent solution? I don't think there's a single displays preferences file that might be replaced, and I'd just as soon not mess around with pitching the full system preferences file unless that'd be the only solution...
Thanksmuch in advance, and have a good one!

Can I use iMac 2007 as connected monitor to a 2013 iMac to edit movies on iMovie?

How do I connect 2013 iMac with thunderbolt to 2007 iMac with FireWire 800 to have an extra monitor to edit videos on iMovie? Both iMacs are running Mavericks.

robiemc wrote:
How do I connect 2013 iMac with thunderbolt to 2007 iMac with FireWire 800 to have an extra monitor to edit videos on iMovie? Both iMacs are running Mavericks.
No, what you are referring to is called Target Display Mode, your 2007 is simply too old and does not support it. TDM is discussed in the follow FAQ.
http://support.apple.com/kb/ht3924

Vga display connect to imac 2007

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