Dvi port and optoma projector bad color

anyone know why i cant get the correct colors on my optoma ep716? im going from my dvi port converted with the dvi to vga adapter into the projector. the clors are all off. it works fine on a computer with regular vga out.
kurt

A DVI connector really has two ports backing it. One is the DVI digital port and the other is analog, which can be accessed using a DVI to VGA adapter. Have you tried both? It would be unusual that both ports are blown out, unless the damage is further back up the graphics chain.
USB to video is possible but there are caveats to consider. For one, USB is a low bandwidth pipeline when compared with a typical graphics bus, so if you plan on watching 720p movies over the interface, forget it. Same with gaming and such. But if you just plan to use it for surfing, mail and other non-graphics intensive applications, then it can be a solution for you.
Another thing to consider is that USB video requires a driver be installed and maintained under OS X. By maintained I mean, if you keep doing OS updates, there is the risk the driver will need updating too. So you become dependent on the manufacturer maintaining an updated driver. Something to keep in mind.

Similar Messages

I connected my apple tv2 to my dvi port and all I see is the apple logo

I connected my Apple TV2 to my dvi port on my HDTV and all I see is the apple logo on the screen. I keep pushing menu on the apple remote and i see a white led turn on and off but the apple logo continues to be the only thing on the screen. I expect to see a menu as the apple manual indicates should appear on the screen. What's it gonna take for the menu to appear and the product to operate as expected?

Use the search function here to look at DVI problems. Even IF a HDMI --> DVI cable worked, there still won't be any sound. Apple doesn't seem to want to make the ATV2 work with anything less than HDMI. And it's pretty clear on their Apple store that the ONLY output is HDMI. IF your HDTV has limited HDMI ports, you might want to thing about switching one of your other inputs.

Mini-DVi-port to Mini DisplayPort

In July 2009 i bought my first Macbook 13". And then on the 4th of october i ordered a new 24" LED Cinema Display. Then after waiting for 1 month i received my items to day only to find out that my Macbook has an mini-DVI-port and not an Mini DisplayPort as the Cinema Display. But if i had waited 1 month i could have bought the new Macbook 13" with a Mini DisplayPort - but who could have known!
How do i get an adapter for mini-DVI-port on my Mac to Mini DisplayPort on the LED Cinema Display?? Is it possible or should i contact Apple and ask them to trade my new Macbook to a apparently newer version free of charge?
Please help me - not the best way to start the weekend, and find out that your 899$ Display is useless! :o(

You need a Mini-DVI to DVI adapter
<http://store.apple.com/us/product/M9321G/B?fnode=MTY1NDA5OQ&mco=MTA4MzU1NjQ>
and a DVI to Mini DisplayPort Converter
<http://www.atlona.com/Atlona-DVI-to-Mini-DisplayPort-Converter-p-17859.html>
<http://www.gefen.com/kvm/dproduct.jsp?prod_id=8913>

Need to connect an Apple Display with an ADC plug to a Mac Mini with a DVI port

I have an older Mac Mini (I'd guess at least 4-5 years old, but I have a terrible memory), and I want to connect a Cinema HD Display with an ADC connector plug. Unfortunately, my Mini only has a DVI port, and I cannot find an Apple adapter, or any adapter for that matter, under 200 dollars, which is an absurd price to simply connect one slightly different plug to another. If a $200 adapter is really the only option, then I will find a different monitor, but I would prefer to connect this one, as it is the most convenient option.

C_selinske wrote:
I have an older Mac Mini (I'd guess at least 4-5 years old, but I have a terrible memory), and I want to connect a Cinema HD Display with an ADC connector plug. Unfortunately, my Mini only has a DVI port, and I cannot find an Apple adapter, or any adapter for that matter, under 200 dollars, which is an absurd price to simply connect one slightly different plug to another. If a $200 adapter is really the only option, then I will find a different monitor, but I would prefer to connect this one, as it is the most convenient option.
It is far more than a matter of different plugs. The signalling schemes are completely different and it also has to act as an external power supply for the screen. This screen was originally designed to get power from a PowerMac computer.
I found a genuine adapter on Amazon see http://www.amazon.com/Apple-M8661LL-Display-Adapter-4038234011420/dp/B00011KHT2 at $119 but other than that you could look on eBay for a used one.
You are right to consider whether it is worth paying more for a brand new screen rather than trying to extend the life of this old screen. Be aware that if you want to try using Apple's latest 27" ThunderBolt screen you cannot directly connect that to your old Mac mini but could do so by (you guessed it) buying another expensive adapter. In this case you would need an adapter from Kanex see http://www.kanexlive.com/c247dl
You can of course use virtually any standard (non Apple) DVI display.

Running two displays from one DVI port...time to put my ADC down

Hi Guys,
I have a G5 dual with a GeForce FX 5200 which has 1 each of DVI+ADC ports. Until recently the 17" Apple display has been my only monitor. As I have a recording/mix studio I need to move the G5 base unit far away from any recording as it makes quite a lot of noise. I have been unable to do this as I have been having trouble finding either a Dr Bott or Griffin ADC extension. I have been searching off and on for over a year with no success.
Recently I purchased a cheap reconditioned NEC monitor which I am running from the DVI port and am thinking perhaps now is the time to get rid of my apple display due to the ADC connection troubles.
Is it possible to run two monitors from the one DVI port? I need to run a mirrored image so that I have one monitor to my side so that I can do close editing work and then one further away behind my analogue mixing desk, they need to show exactly the same thing.
Will splitting the DVI port degrade signal or is there a way around this. I also want to get some long cables 6m+ so that I can place the base unit outside of the control room, will this be a problem?
I would really appreciate some help on this matter.
Thanks,
Iwan

Thanks BSteely, Would you happen to know of a box to recommend? I guess something like this would be more suitable:
http://www.amazon.co.uk/StarTech-com-Port-DVI-Video-Splitter/dp/B000MPL5ZC/ref=s r129?ie=UTF8&s=electronics&qid=1272121514&sr=1-29
Than this:
http://www.amazon.co.uk/Ex-Pro-Premium-Female-splitter-connections/dp/B003HE91CE /ref=sr140?ie=UTF8&s=electronics&qid=1272121514&sr=1-40
Thanks,
Iwan

Is anyone having stuttering problems on the ati 5870 with the mini dislplayport connected monitor when you turn off the display connected to the Dual-link DVI port?

hey i have a ATI 5870 and when ever i turn the monitor connected to the dual_link DVI port the display connected to one of the mini display port shutters with everything on the screen Video, Mouse movement ect, any ideas ?

hey i have a ATI 5870 and when ever i turn the monitor connected to the dual_link DVI port the display connected to one of the mini display port shutters with everything on the screen Video, Mouse movement ect, any ideas ?
Not sure what you are trying to do. I interpret what you are saying is that you have a monitor connected to the DVI port and another to the mini displayport (mDP). Are you physically trying to turn the one connected to the DVI port off (and on) causing the one on the mDP port to "shutter"? If so, take a look at SwitchResX. It will allow you to programmatically turn monitors on or off. Maybe that will cure the problem.
Of course if I am misinterpreting what you are saying ignore this post.

Is there a different type of DVI ports??

Hi All,
My question is that I have a Radeon 9000 video card that supports dual display with ADC and DVI ports, I have a flat screen display to the ADC port and I want to use the DVI port to a television... Well, I got a DVI to S-video/composite adaptor by APPLE, now on the bag, it says for PowerMac G5 or Mac Mini.. I asked the guy at CompUSA and he said it should work as long as you have a DVI port, well, it didn't work, it flickers and when I go to the display pref it does nothing when I click on detect display... I checked the DVI on the adaptor and noticed the pins in the middle aren't there compare to the DVI to VGA adaptor I got with the video card, all the pins are there on it.. I also have a Radeon 7000 PCI card with VGA, DVI and TV out ports, so I attached the same adaptor to that DVI port and it sees it as Television on the display pref...
Now when I checked the DVI ports between the two, the 9000 one is black and the 7000 is white, are they different maybe??
Why is it that the 7000 works perfectly, but the 9000 won't???
thanks..
Johnny

Its possible that your OEM Radeon 9000 does not support Dual displays, or that the port is not working.

Wierd dvi port?

i just bought an Apple Power Macintosh G4 400 (AGP) model number M7824LL/A with an ATY,Rage128Pro graphics card.
the dvi port on the back of the card seems to be a wierd shape and my dvi to s-video adapter will not physically connect to it.
does anyone know anything about this dvi port and where i can get some sort of adapter for it

Hi
I'm not sure whether this helps, but it sounds as if it may be an ADC connector. Photos of a DVI and ADC connector can be found here:
http://docs.info.apple.com/article.html?artnum=58692
Although most Gigabit Ethernet models were dual processor, Apple did ship a single processor 400MHz Gigabit Ethernet model which you may have. The original Sawtooth/AGP Graphics models don't support an ADC connector as they lack the additional power connector on the logic board above the standard AGP slot. Gigabit Ethernet models do.

Dual dvi-i and xbox360

hi all just wondering if its possible to connect xbox 360 to my 6800ultra using dvi-i port then connecting the other dvi-i to the tv dvi-i
thus being able to use either the 360 or pc at any one time? as my hdtv only posses 1 dvi-i port
also will i still be able to still get hd through my card

You can use two dual-link DVI displays with your card.
Each display needs one dual-link DVI port. The board has one dual-link DVI port and one Mini DisplayPort. You can use an adapter to connect the second dual-link DVI display to the Mini DisplayPort.
<http://store.apple.com/us/product/MB571Z/A?fnode=MTY1NDA5OQ&mco=MTA4MzU1ODY>

Apple 27 inch monitor connect to dvi port

Anyone know how to connect an Apple 27 inch monitor with a mini connector to a nvidia quadro 4800 dvi port and still maintain full resolution ? ( No, the Kanex C247D will not maintain full resolution)

I just finished hooking up my 4 year old Mac Pro to a new Apple 27" LED Display an hour ago.
I used an Atlona AT-DP400 DVI to Mini DisplayPort adapter and it works great "out
of the box". However, my Video Card is a NVIDA GeForce 7300 GT 24 pin. I don't
know if that's the same as your quadro.

Configuring The DVI Port?

Does the DVI port require some sort of setup and/or configuring when plugging in a monitor.
Our IT department is adding Dell 19" flat panel monitors to our PowerMacs.
They plugged the monitor into the DVI port and nothing happened.
What else could be the problem?
Thanks.
Richard

Hi there,
Welcome to the Discussions!
One of the things we ask new members to do is fill out the computer portion of the My Settings --> over there on the right. Then we can see what kind of Mac you have and give you better advice, thanks.
DVI ports don't need configuring. The key on DVI-I connectors forms a plus sign, while on DVI-D connectors it forms a minus sign. Look here to identify your type of DVI:
http://www.audioholics.com/techtips/specsformats/audiovideoconnections.php
Note: Many Mac G4's came with ADC/VGA video ports, these require a ADC>DVI Adapter.
In addition, it just may be that the video card in your Mac cannot provide the proper resolutions for the Dell monitor. We'll need to know more info about your Mac to determine that.
Regards, Dave

Connecting DVI Cinema Display and VGA Projector from Minidisplay Port

Hi Everyone!
I'm trying to get my mid 2011 Mac Mini to send a signal from my MiniDisplay Port to a vga splitter which works fine. My biggest thing is that when I connect my inFocus IN112 VGA Projector the screen shows up from my mac but to connect my Cinema Display it takes VGA so I had to go from the VGA Splitter on one side and use a vga to dvi adapter and my cinema display shows blank? Help Me Please!!
Thanks,
Andrew

I already have a converter on the end of the VGA Splitter to go to the Cinema. The reason I don't use the hdmi to dvi is because with the minidisplay port using vga to the projector and the hdmi going to dvi to the Cinema it makes the projector screen very rough and pixely

MacBook Pro DVI-Out and FrontRow Color Anomalies

ok, so i've got one of the first generation MacBook Pros 2.0GHz processor, 2GB RAM, etc. i want to use the DVI-out to connect to my Sharp Notevision projector, which has a DVI-input. i have a standard DVI cable and when i connect, everything is fine. i can display at the projector's 1280x1024 native resolution and finder and other application windows look just fine, color-wise.
however, when i jump into FrontRow (or play any Quicktime movie or use iTunes to play movies), the color shifts and looks horrible. the glow around the icons in FrontRow are oddly red, and other nuetral colors look greenish or otherwise. its almost like you've got a component cable connected with two of the channels swapped.
the same projector works fine and displays accurate color with my AppleTV and if i connect the laptop to one of my Cinema Displays, the colors for movies are all accurate. i thought maybe the DVI cable was bad, and bought a replacement and the new cable produces the same off-color results.
any help or guidance here would be greatly appreciated!
thanks,
scott

Another update, I did some research and it seems that ATI are cagily admitting to the fact that there might be a problem with the X-series;
http://support.ati.com/ics/support/default.asp?deptID=894&task=knowledge&questio nID=26586
http://support.ati.com/ics/support/default.asp?deptID=894&task=knowledge&questio nID=21266
http://support.ati.com/ics/support/default.asp?deptID=894&task=knowledge&questio nID=25682
You'll notice that ATI tell you to contact the manufacturer of your computer if the graphics are integrated into the motherboard. Like with Apple. Much joy to be had there.
I phoned their technical support and got talking with a specialist who was mystified and suggested 'turning off the airport'.
Also, it seems that Apple rather significantly "underclocked" the GPUs in their macbook pros;
http://www.reghardware.co.uk/2006/04/19/applemacbook_pro_gpuspeed/
http://www.maconintel.com/news.php?article=178
http://forums.macrumors.com/showthread.php?t=306024
http://forums.macrumors.com/showthread.php?t=194647
Could be running the GPUs are running on a lower voltage and maybe they're not working right, or the signal isn't stable enough to pick up an EDID? It seems to be quite a mystery. Perhaps the osx86 community will have some tricks up their sleaves for twisting the x1600's arm. Still doesn't explain why the monitor worked that one time.
This probably isn't an issue for anyone who doesn't want to plug their laptop into an external display, but I suspect it's a widespread problem just waiting to rear its ugly head, especially as HDTVs become more ubiquitous.
Anyone else struggling with external display devices, or with solutions, I'd appreciate your input.

Mini-DVI port not working: wear and tear?

I had been happily using the mini-DVI port to play content on TV, using a DVI to Video adapter : plugging and unplugging probably twice a week.
Now it seems to have stopped, abruptly: no signal at all is reaching the TV. (Adapter still works fine on my MacBook.)
What are the chances of wear and tear damaging the DVI port? Is this a complicated fix? Any other thoughts? No recent upgrades or updates.
"About this Mac" reckons it's mirroring fine, so it feels like a hardware thing. Many thanks in advance.

Hello ewfelton
It is very possible that the DVI port on the iMac has been damaged from wear and tear, as it's harder to get at than the MacBook.
I would disconnect everything from the iMac, grab a clean towel and turn it face down on the desk. Then with a magnifying glass and light inspect the DVI port for a broken or bent pin. In the process of inspecting the port your SMC will also be reset, follow the instruction for "How to reset the System Management Controller" when your done.
If the port seems OK and the SMC reset doesn't get it going use Disk Utility to Repair Disk Premissions and try it again.
Your local Apple Store or local Apple Service Provider can replace a bad or damaged DVI port.
Dennis

How can I connect my 2009 Mac Mini to a TV that only has the Component inputs available? My Mac Mini has a Mini DisplayPort and Mini-DVI port. Thanks.

How can I connect my 2009 Mac Mini to a TV that only has the Component inputs available? My Mac Mini has a Mini DisplayPort and Mini-DVI port. Thanks.

Composite is analogue with one connector. That is why it is called composite
Component is analogue with three connections. I think one for each color
Here is the one for component. I misread composite for component
http://www.amazon.com/DVI-I-Component-DisplayPort-Female-Adapter/dp/B003OBOJC2

Dvi port and optoma projector bad color

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