Dual VGA \ DVI output on Dynadock??

Hello
We have recently got the DVI \ VGA Dynadocks U10 and have got all the software installed
In the box was a note stating that with windows XP it is not possible to set an external monitor to the primary screen and then set the notebook monitor to the secondary
This is fine, however I have got a VGA and a DVI monitor connected to the dynadock
Is it possible to have the notebook display turned off and have the VGA as the primary monitor and the DVI as the secondary?
Everything I have tried so far has failed

Hello,
it is not possible to use both (VGA + DVI port) at the same time.
You can use either a VGA or DVI monitor with the dynadock but you can connect the VGA monitor to the computer directly.
best regards

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http://store.apple.com/us/product/MB571Z/A/mini-displayport-to-dual-link-dvi-ada pter?afid=p219%7CGOUS&cid=AOS-US-KWG-PLA
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Yes, that would work, however it would cost me $2000 for the monitors.

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Hi!
I ordered the Mini Display Port to Dual-Link DVI Adapter regardless of the many complaints that it's not working in order to connect my new MacBook Pro to my Matrox TripleHead2Go. This Graphics Expansion Module normally allows to use two 1920x1200 monitors when connected to Dual-Link DVI (3840x1200). It works fine on my old MacBook Pro (with Dual-Link DVI output), but with my new MacBook Pro the first monitor just turns black and the second tells "Out of Range" when using the Mini Display Port to Dual-Link DVI adapter.
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Hi, Matt, and welcome to Apple Discussions.
The Matrox Support only told me that the new MacBook Pro with Mini Display Port is not supported, but as it's working for 2x1680x1050 with the Dual-Link DVI adapter, I was wondering if the Mini Display Port to Dual-Link DVI Adapter could be the problem.
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Thanks, Bela, for your reply. What you're saying makes sense, but i'm insure of the order and timing that you mean.
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Problem with iMac mini DVI output to TV via VGA

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Message was edited by: philbrownuk

I have my Macbook (early 2008) hooked up to a 19-inch TV I use as a second desktop. You won't find any cords that go straight from mini-DVI to HMDI, and even if you do I wouldn't recommend them. You'll have to get an adapter cable that goes from mini-DVI to DVI and then get a DVI to HDMI cable. I got the Apple-made adapter (about $20) even though it's more expensive because apparently third party ones can have problems. You can get a DVI to HDMI cable anywhere, they can run expensive but I got one off Amazon for less than $10.
That connection is video only so yes, you'd need a different connection for sound. As to how you hook the sound up, it depends on what you want to use for sound. If you want the sound to come from the TV speakers then you'd have to use a different cord than if you wanted to hook it up to a sound system. If you let me know I can explain what you'd need to do for that. Hope this helped

Connect to Dual-Link DVI-D port on monitor using DVI-D to VGA adapter -- getting no signal

I have a T400. I am trying to connect to a dual-link DVI-D port on my LG monitor via the VGA port on my T400 laptop. I bought a DVI-D to VGA adapter, but I am getting no signal.
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Solved!
Go to Solution.

I happened onto this thread while searching for a way to connect my T400 to my wife's 27" iMac. What I learned thus far is that Atlona makes a device (AT-DP400) that will convert dual link DVI to Mini DisplayPort. But Atlona says that one's graphic card must support 2560x1440. The T400 doesn't have a DVI out (nor does my current docking station), but it sounds like one can get a docking station that does. But that won't help if my card won't support 2560x1440. So are you saying that there is no way I will be able to use the 27" iMac as a monitor for the T400?
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I was told at the Apple Store that I could close the cover on my Macbook with the mini-DVI output to my large screen monitor and still operate my computer via wireless keyboard and the mighty mouse. When I close the Macbook cover the monitor (via the DVI to VGA) goes black and indicates it has lost display signal. How do I close the cover of my Macbook and use the DVI monitor???
The Energy Saving help information setting the sleep mode to Never does not work.

This should help you out.
Apple: How to use your PowerBook G4, MacBook or MacBook Pro with the display closed and a Bluetooth keyboard or mouse
Apple: How to use your PowerBook G4, MacBook Pro or MacBook with the display closed

Concerning: VGA monitors using an Aluminum Powerbook G4 PowerPC 2004 15"-screen 1.5Ghz The DVI (converted to VGA) video output stopped working on this computer after 9 years of service. This raises question 1: Is there any way of fixing this? I've tried

Concerning: VGA monitors using an Aluminum Powerbook G4 PowerPC 2004 15"-screen 1.5Ghz
The DVI (converted to VGA) video output stopped working on this computer after 9 years of service. This raises question 1:
Is there any way of fixing this? I've tried the usual: triple checked all vga cables & devices through trial & error. Bought a new DVI-VGA adapter. Reset PRAM, PMU, etc. Nothing works. Something is probably damaged, because my KVM switch was not working unless I hot-reseated the vga cable into it, leading to this DVI port, and that is pretty rough stuff.
Question 2 (related):
This dovetails into this: Can I drive a VGA monitor with the s-video output port on this computer. It would take an s-video (male)-to-15-pin-VGA adapter. Has anyone does this? So far, I haven't even found the adapter mentioned anywhere.
Thanks for reading this.
el7

Thanks for the useful feedback, Knucklesmac. I agree. I must have blown something on the logic board -- because I had a faulty old KVM switch that would not switch between computers without some nasty hot-plugging/unplugging the VGA video cables. (wince!). It's like when Dizzy Dean ruined his arm because a line drive hit him in the foot and he readjusted his mechanics around the injury. I take the blame because this has been a great computer, and does not deserve any blame.
If it will help anyone else reading this thread, C2G (née Cables to Go) has some interesting ideas for still getting external video out of this computer:
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http://www.cablestogo.com/product/30545
-Convert s-video or composite video signals to high resolution VGA
http://www.cablestogo.com/product/40971
The price range is $75-$85, which doesn't make horse sense to me for such an old computer -- which has a lot of life in it anyway, because its own 15" monitor is not chopped liver.
el7

No Video from Mini-DisplayPort or DVI, only Dual-Link DVI

Just got my new Mac Pro 6-Core delivered. Out of the box, there were problems. I have a Dell 27" monitor that takes Dual-Link DVI, DisplayPort, or HDMI and a Dell 22" monitor that takes DVI, VGA, or HDMI. I am using a DisplayPort to Mini-DisplayPort cable to connect my 27" monitor to the Mac Pro and a DVI cable for my 22" monitor. I have the ATI 5870 graphics card installed OEM.
The problem is that the graphics card appears to not be switching to Mini-DisplayPort or DVI for output. It only works when I plug in a Dual-Link DVI cable to my 27" monitor. At that point, I get a video feed on my screen on a hard boot. At this point, I can then plug in my Mini-DisplayPort cable to my Mac Pro and unplug the Dual-Link DVI cable, and it switches video feeds perfectly. The problem then is that when I restart the computer, or power off and power on, the problem starts all over again. I HAVE to boot using the Dual-Link DVI cable for anything to work.
Ideas? Called AppleCare, waiting on engineering to see what they have to say. All the cables work perfectly when I plug them into my MacBook Pro (Late 2008). I am stumped.

I seem to be having similar problems. I bought the same system (6-core Westmere with the 5870 graphic card installed OEM) last month and I seem to be having problems running two Dell monitors which I know to be perfectly fine.
For the past month, I've been using a 24" Dell U2410 monitor with my Mac Pro using a DVI cable. Absolutely no problems at all. I then purchased another 24" Dell U2410 with the intention of running with dual displays. To prepare for this, I bought two mini-DisplayPort to DisplayPort cables from Monoprice. When I finally received the second display, I turned off the computer, hooked up both monitors through DisplayPort using the two mini-DisplayPort connections on the graphics card and turned on the system. I got two black screens. I tried to use keyboard commands to bring up the shutdown dialog box but it wasn't working. So I was forced to do a hard shutdown by holding down the power button for 10 seconds.
I went through a series of combinations of power cycles for the displays and computer and still two black screens. Finally, I went back to square one, a single display through a DVI cable. Again, a black screen. At this point, I disconnected the display from the computer. Power cycled the display (this initiates the self-test for the Dell display), hooked it up to the Mac Pro, turned it on, and it worked. I had one working display. Then I plugged in the second display using the mini-DisplayPort to Display port cable and that worked also. Finally, two working displays. For some reason, the Mac Pro recognized the display using the DisplayPort as the primary monitor. I rebooted the Mac Pro and the monitors continued to work properly. I booted into Windows 7 and again, no problems. I went back to OS X and used the computer for the night. When I was done, it put it to sleep.
This morning, when I tried to wake it up, same problems. I had to go through a series of power cycles and cable swapping to finally get a single screen to work.
I went through some of the troubleshooting documents here in the Support area and found this one:
http://support.apple.com/kb/HT4279
I am going to pick up the Apple mini-DisplayPort to DVI adapter and try running the display as two DVI monitors. Hopefully this will fix those problems. If the AppleCare engineer is able to give you anymore information, please let us know. This is a worrisome issue.

Macbook air to dual monitors (DVI and dual link DVI)

Hi i have MacBook Air (13-inch, Mid 2013), which only has a mini-displayport input.
i have these two monitors, one monitor has DVI, VGA, HDMI, and the other monitor has only Dual-link DVI-I.
http://www.newegg.com/Product/Product.aspx?Item=N82E16824014373&cm_re=benq_27_in ch-_-24-014-373-_-Product
http://overlordcomputer.com/collections/27-monitors/products/tempest-x270oc-glos sy
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You'll probably want something like this:
Mini DisplayPort to DVI (2x DVI Output) Converter
http://www.monoprice.com/Product?c_id=101&cp_id=10114&cs_id=1011409&p_id=8118&se q=1&format=2

Replacing dual VGA's with big shiney LCD

Here is what I have now:
MDD G4 dual 1.25Ghz.786MB ram. ATI Radeon 9000 with one DVI and one ADC port on it. Resolution of each screen is 1280x1024.
Each port has an adapter to go to VGA for my two Samsung SyncMaster 955df's.
What I want is one big LCD. One of my Samsungs are croaking to death.
The questions:
What is the image, resolution difference between the vga, dvi, adc display image(lcd display)?
My video card supports 1920x1200. I assume thats each screen?
Do any monitors come with two cables to plug into a dual head card to get a larger resolution? How big of a monitor can I get with 1920x1200?
My worry is is that my video card wont support a lcd monitor as big as I want it to be. Like a 24inch display.
And I do not intent to buy a apple or sgi display. I know they are georgeous and all that, but the price!! wow!

Your card will run two displays, of up to 1920 x 1200 each. If you need to run a display greater than 1920 x 1200 you will need a new graphics card with dual-link DVI. You cannot combine lower resolution outputs to get higher resolution.

G4MX440 Dual VGA and TV-out Possible?

I finally got my tv-out feature working by using the unofficial bios from MSI. This resolved the "orange/brown" screen issue. :O
My new issue:
I have the g4mx440 with dual vga output. (not one vga jack and one dvi with an apadpter, just two vga connectors). I am running two analog monitors with the card and they are both working fine. But, since i have now gained the use of my Tv-out feature, i was wandering how i would set up this card to use my TV as a third monitor. When i goto my display settings it only shows two monitors that i can alter but if i disable one and reboot with only 1 analog connected and the tv-out it works. I was playing with nviews settings and somehow made my tv the primary display and lost one of my analogs (kinda like all 3 wont work at the same time). What am i doing wrong or what do i need to do.
I had accomplished this set up before with a Geforce2 Mx400, but i was using a second pci card to run my second analog monitor.
Any help would be sweet. Thanks in advance for anything.

Hi,
Here's some generic advice, but which might not apply to your specific hardware.
You can't get 3 *different* pictures from this type of card, only 2. It effectively has two independent channels, and one channel has the choice of *either* VGA out *or* TV out. It may even be possible to use both at once - but it will be the same picture. You might need a third party utility like TVtool to let you use VGA and TV out simultaneously, and your VGA monitor might not like the non-standard frequencies on the VGA that are a byproduct of generating TV out frequencies (especially in PAL). LCD monitors are generally worse than CRTs in this respect.
Cheers

Can I use a VGA/DVI-D monitor to a new 2014 Mac Mini?

My wife's PC just died (it was a cheap 300 pc that lasted probably 5 years.
She basically emails, web surfs, looks at pictures and plays candy crush on Facebook so she doesn't need anything too high end.
I was thinking of getting her the basic 2014 mac mini but I have a VGA/DVI-D monitor (an older Dell) and it fits perfectly on her desk.
Can I somehow hook up a new mac mini to either the DVI-D or VGA input?
If not, what is the best monitor to get HDMI or should I look into a thunderbolt monitor?
Thanks,

Yes. You will have to purchase one of the following adopter:
- HDMI to DVI and use the Minis HDMI output
- Mini displayport to DVI adopter and use one of the Minis Thunderbolt ports
- Mini displayport to VGA adopter and use one of the Minis Thunderbolt ports
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What does the 'Dual' in Dual-Link DVI Adapter refer to?

We purchased a 'Mini Display Port to Dual-Link DVI Adapter thinking it meant we could split the output to two monitors such as the Matrox TripleHead2Go or Matrox DualHead2Go.
Having received it, we are unable to determine the advantage of using this product other than a normal Mini to DVI adapter. Hopefully the Dual doesn't refer to the addition of a USB port. Thanks for any replies.
--Bruce D. Meyer

DVI uses a transmission format called "transmission minimized differential signaling" (TMDS). In the DVI standard, single-link means that there's one 165MHz TMDS transmitters connected, and dual-link means that there is 2 (doubling the bandwidth of the cable). So, a single-link cable can transmit 1920x1200 at 60 Hz, whereas a dual-link can transmit 2560 x 1600 at 60 Hz (about 1.8x the resolution).
So, a dual-link cable will allow you to use higher resolutions and frequencies (though common LCD panels are locked at 60 Hz) than a single-link one.

Dual VGA \ DVI output on Dynadock??

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