Thunderbolt to VGA and and HDMI to DVI running at once

I am currently using a Thunderbolt to vga converter to as my setup for my mac mini. I just remembered that with the mac mini came a HDMI to DVI converter. My question is; if i buy an other monitor, can i use the HDMI to DVI converter to run two monitor at once?
Thanks in advance.

Yes. You can use to monitors on a Mac Mini. You can select to have them mirror one another or at an extended screen/desktop.

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No HDMI or MiniDP-to-VGA output, but HDMI-to-DVI is okay

I purchased my Mac Mini almost a week ago and I've been having strange issues with getting my various monitors to work with it.
I don't own any Thunderbolt or native MiniDisplayPort monitors, however I do have a number of VGA monitors, as well as some HP LP2475w monitors which have VGA, DVI (DVI-D and DVI-A), HDMI, and DisplayPort inputs.
When I have OS X installed on my Mac Mini, the Apple MiniDP-to-VGA adapter works with my VGA monitors, but only when OS X has loaded. My monitors all say "no signal" during the boot-up phase. However I had no problems when I connect my LP2475w monitors to the Mac Mini via the HDMI-to-DVI adapter: I see the grey screen during bootup, can see/access the boot menu, and everything works fine.
Today I purchased a HDMI cable to connect the Mac Mini to my LP2475w monitors to see if that would work. Well, it does work... almost, sometimes, but not most of the time.
When I use a direct HDMI connection my LP2475w says there's no signal, unless I plug the cable in during the text-mode portion of Windows' bootloader (under Boot Camp). As soon as Windows loads, or during the grey-screen bootup section my monitors all say there's no signal. There is nothing wrong with the cable or my monitors.
Here's a table:
Connection
Can see boot screen/boot menu
Can see OS X (when loaded)
Can see Windows (when loaded)
HDMI from Mac Mini to LP2475w
No
Not tested
No
HDMI-to-DVI from Mac Mini to LP2475w
Yes
Yes
Yes
MiniDP-to-VGA from Mac Mini to VGA monitor
No
Yes
No
So what's going on here then?
Has anyone else had the same problems as me?

SOLVED - I purchased a third-party MiniDP to DVI adapter instead and it works a treat.
Quite what the difference can be to a supposedly passive adapter I'm unsure - but glad it's fixed anyhow.

Using DVI to VGA adaptor with HDMI to DVI port on Mac Mini Server

Hi - I couldnt find anything on this, so I decided to post a new topic. We just recently purchased a Mac Mini server at work for iOS development. Before we launch in in one of our data centers and start remoting into the system, we need to conduct basic setup on the system.
For this, we pulled out an old stock VGA montior we have around the office, and found an apple DVI to VGA adaptor (http://i51.tinypic.com/2mzb4lc.jpg)
The problem is, the pins dont exactly line up... on the DVI to VGA adaptor there are 2 extra pins above and below the horzontial pin on the left hand side (http://i52.tinypic.com/2mxhg1j.jpg) that do no exist on the Mac Mini HDMI to DVI adaptor (http://i53.tinypic.com/2ywesrp.jpg).
Ive checked other converters and it seems that all of them are setup the same way, with two pins above and below.
Has anyone else had to deal with this issue? I really dont want to go and buy the Mini DisplayPort to VGA adaptor for one-time use.
Thank you!

Welcome to  Discussions!
What you are seeing is the difference between an analog and digital DVI connector, as DVI as a specification can provide both types of signal, depending on implementation. When used in a mode where only one or the other type of signal is provided, the different connectors prevent a mismatch. VGA being analog, the DVI to VGA adapter is using an analog DVI connector. The other connector you are dealing with is a digital only connector. HDMI is digital only, hence the HDMI to DVI adapter being digital only. Thus you can not adapt from the HDMI port to VGA with just passive adapters, you would need a conversion device between. It would be cheaper and more effective to use a Mini DisplayPort to VGA adapter.

Have a GeForce FX5200 AGP2 8x card and would like to have something faster. and with HDMI or DVI

After the 160 GB Samsun HD crashed I installed a 250GB Caviar WD drive and also changed to Windows 7 Professional. I have 2 GB of Memory in the slots.

Thank you for the additional information. In my opinion, you are better off with Win 7 Pro. It is an extremely stable OS. However, your findings are correct. There is no driver available for your video card with Win 7. I would try "Option 2" Automatically find drivers for my nVidia product. This will find the correct driver if one is available. You should be able to use a PSU up to 400W with no problems. Just make certain that the ATX power connector is correct (20/24 pins) for your motherboard. A computer will only use the amount of power that is required to run properly. The additional power is used during peak needs. I am going to be frank. Your computer is over 11 years old. In technology terms this is far older than the dinosaurs. A new computer that is the bottom of the line would be light-years faster. Here are two computers that actually have Win 7 64-bit. I am not an employee of HP, but have been using HP computers since 2001. They have always been very reliable. Please click the "Thumbs up + button" if I have helped you and click "Accept as Solution" if your problem is solved.

Thunderbolt to VGA works find, to HDMI no longer works

I have a late 2011 model Macbook Pro, running the latest Yosemite update. I can plug in my Thunderbolt to VGA adapter and everything works just fine. But when I plug in my Thunderbolt to HDMI adapter, the display will not be detected. I've tried holding option to manually detect displays and nothing happens. The screen will flicker as if it senses another display has been connected. I don't know if this is due to Yosemite, for it worked just fine before the update.

Hi all,
I was having the same problem with Yosemite and thunderbolt to HDMI but have found a sort of a solution or at least a bit more info that might lead to someone having a eureka moment. I have a Mac Book Pro, my partner a Mac Book Air. I bought a thunderbolt to HDMI cable from eBay so my partner could plug her Air into the TV. When the cable arrived, it would not detect our LG TV from either computer. So a bit of playing around and this is what I found.
I plugged the cable from my Pro direct to the HDMI port on the TV and nothing.
I also tried from the Pro to the HDMI port on amplifier of the surround sound system and again nothing.
However, if I plug the cable from my PRO directly to the TV HDMI and select that HDMI port on the TV initially still nothing. But if I then plug a normal hdmi cable from my amp to the Mac Pro's HDMI port, suddenly the thunderbolt cable works and the Display Preferences see the LGTV. I checked that the correct hdmi port was selected for the direct connection and I could even turn off my amplifier to make sure that I was not seeing the wrong signal and it still worked.
It seems that there needs to be either a base signal or an earthing through the MacBook Pro's HDMI port for it to switch into an external monitor mode that will detect a thunderbolt to HDMI connection. This is fine for my Mac but as my partner's Air only has a thunderbolt port and no HDMI port it still doesn't work with her MAC.
Hopefully someone will see this and have a brainwave.

HDMI to DVI Dual

Anybody know if the hdmi to dvi dual connection will work, so you can have 2 apple displays. I see them cheap for $20 and below.
http://www.amazon.com/HDMI-Dual-Premium-Splitter-Cable/dp/B000FMPR0Q
Thanks

Hi datchic6,
It looks like you can connect two displays using the HDMI to DVI adapter and the Mini DisplayPort.
Not sure if it supports the splitter you link to.
From Mac mini Features
(under "*Plenty of ports make it ready for anything.*")
"You can even connect two displays to see more of your photos, movies, and files."
It comes with a standard HDMI to DVI adatper...
"Mac mini comes with both Mini DisplayPort output and an HDMI-to-DVI adapter, so it’s ready to connect to the Apple LED Cinema Display or a third-party display you already have."
Edit, By the way, is that splitter supposed to allow different video on both connections? It looks like it's just a splitter so you'd see the same thing on both displays (like mirrored video) if it works. If you want extended desktop, that may not be the way to go. I'm guessing you'd need to connect one display to the HDMI and one to the Mini DisplayPort to get extended desktop.
ivan

I bought a mini DVI to HDMI convertor and a HDMI to VGA cable to connect my mac book pro to a tv but it doesn't work any one can help.\\\\\

i bought a mini DVI to HDMI convertor and a HDMI to VGA cable to connect my mac book pro to a tv but it doesn't work any one can help.

I would suggest looking into a Thunderbolt to HDMI connector. In this case, you may be able to use the TV as an external monitor. For this option, please confirm through additional research. I have not tested it personally.
You can also use an Apple TV, which connects with HDMI. In this case, you can use Airplay Mirroring. Not all Macs support Airplay Mirroring, so you need to check first. I have a Mid-2011 27" iMac, and it supports Airplay Mirroring. I don't use it often because my TV is in another room, but I just tried it and it worked. It had to change the screen resolution to work well, so I don't know if I would want to use it as my day to day monitor. http://support.apple.com/kb/ht5404

My MBP Retina doesn't allow the use of two Thunderbolt to DVI adapters. It only works with one TB - VGA adapter and one TB - DVI adapter. However now the color on the VGA connected monitor is slightly different.

The monitors are Viewsonic VA2406m-LED. The Display preferences show all three monitors but one monitor always says "No Signal" if they are both connected TB -> DVI.
The Color on the VGA connected one is slighly off. It seems like I should be able to connect two DVI monitors not sure why this is stopped. Does it have something to do with the Graphics card?

The problem was with the newEgg adapter. I just went to the Apple Store and bought an Apple adapter and the monitor now displays correctly.
For future reference, in case anyone experiences this problem:
the newEgg adapter is part number 9SIA1PU0P88920, described as a Thunderbolt Mini Displayporrt Display Port DP to DVI Adapter for APPLE Macbook Pro Air and the full description says it works for macbook pro, etc.
when this adapter is used, the macbook pro recognizes the monitor, but the monitor displays nothing.
When the apple adapter (MB507Z/B Mini Display Port to DVI Adapater) is used, the monitor displays correctly.
Of course, the individual newEgg part might simply be defective, but I doubt it. moral -- spend the extra $$ and buy the Apple adapter.

I have a late 2008 white macbook. I have a mini dvi to hdmi adapter, and a hdmi cord. My cannot get my MB to detect an external monitor. Nothing happens when plugged in. Also, my display settings does not have an option for mirroring or arrangment tab

I have a late 2008 white macbook. I have a mini dvi to hdmi adapter, and a hdmi cord. My cannot get my MB to detect an external monitor. Nothing happens when plugged in. Also, my display settings does not have an option for mirroring or arrangment tab

Yeah, I'm having the same exact problem - It seems that the thunderbolt minidisplay port is only able to output the analog VGA signal, not the digital signal to support DVI and HDMI. This is a bug that came up after installing 10.7.1. I bought my macbook air with 10.7 on it, upgraded it to 10.7.1 as soon as I got it, so I have never been able to use hdmi or dvi with my macbook air. This is an extremely frustrating problem for me, I used HDMI on a daily basis with my PC. I have spent many hours at the genius bar running diagnostic tests so Apple can get as much information as possible to create a fix for this problem. I have been emailing tech support for 3 or so weeks now, they keep saying that they are working on a fix and it should be out soon, but 10.7.2 has come and gone and I still have no HDMI functionality with my MacBook Air!

New 13" Macbook Pro trying to connect to a Panasonic VIERA TC-L42U30 as second monitor. I've used multiple hdmi-thunderbolt/mini displayport adapters and multiple hdmi cables and still no success. The Macbook does not sense the second monitor (TV). Help?!

I've been a Mac since 2008, so I know my way around the system pretty well. This issue, however, has me stumped. I had an iMac until now and only now am I experiencing some difficulty with my new MacBook Pro. The model I have is the newest 13" Macbook Pro model and I'm trying to connect a Panasonic VIERA TC-L42U30 42" HDTV as a second monitor via the Thunderbolt port.
It worked the first two times and hasn't worked since, after 10-15 attempts with different configurations, turning things on n off, restarting the mac, unplugging the cables, adapters, TV, resetting the P RAM, etc... I've used multiple hdmi-thunderbolt/mini displayport adapters and multiple hdmi cables and still no success. No matter what I do, the Macbook does not sense the TV as a second monitor anymore.
I took the MacBook Pro to the Apple Store, and their "genius" there had it working fine with a DVI connection to a regular monitor. The Panasonic TV I have has HDMI connections and one VGA connection which does not support HD, but no DVI option. I want an HD connection to mirror or extend my MacBook Pro screen. At the Apple Store, they didn't have a Thunderbolt/Mini DisplayPort to HDMI adapter, so he could not try that out for me.
Anyone else have this configuration or another similar one with a Panasonic HDTV?
Ideas? Suggestions? Anything?! Help!!
P.S. I'm running Mountain Lion, if that wasn't already obvious. Everything is up to date in my App Store as well.
Thanks!

Hi There,
I have had the exact same issue but with a projector.
The issue lies with Mountian Lion 10.8.2.
I tried many a combination with no luck to get HDMI working.
Took my mac into the apple store and came to the conclusion it was the software, so I asked them to install 10.8 onto it (this is destructive so a backup is a must)
Bought my macbook home and voila, now displaying through my projector.
There is a small graphics update after 10.8.1 which seems to be the cause.
Hope this helps.
Thanks.

2011 Mac Mini and Acer x222w monitor incompatible? HDMI to DVI adapter issue

I am totally bummed because I just bought a new Mac Mini thinking I'd be able to use the display from my old system, an Acer x222w, which has both DVI-D and VGA connections. I hooked the monitor up using the HDMI to DVI adapter included in the box with the Mini. On boot, I could see the Apple logo, though it was not centered, and when the set up screen came up to the select language screen, it flashed quickly and then turned to snow.
I was on the phone with Apple support for over an hour trying to troubleshoot this issue. I was a little disappointed that tech support didn't even seem to be aware that the Mini came with an HDMI to DVI adapter. It was then recommended that I try an adapter for the mini display port, which the 2011 Mini doesn't have.
I was able to borrow another monitor, a Dell with DVI-D, and it worked.
I have searched for specs/requirements that might explain why the Acer monitor doesn't work while the Dell one does. I cannot find anything from Apple. I just assumed any DVI connection would work. Has anybody else encountered this problem? Most of the issues I've found on the forums involve trying to hook up to a home theater LCD TV, which I'm not trying to do. If I had known my monitor wouldn't work, I probably would have just saved up for an iMac.
Thanks in advance for any thoughts or tips!

Try resetting the SMC andNVRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM
Next call Apple since yo have 90 days of free telephone support
Complimentary Support (USA)

How do I set MacBook to an external display when the plug and play doesn't recognize it? I am trying to set my Samsung 530 LCD as a monitor but HDMI and VGA cords (and the adaptor for them) doesn't seem to work.

I have tried everything I can find on line but they all claim that the plug and play works, and they don't for me. I tried the mini dvi to HDMI and a HDMI cord and that was not recognized no matter which unit I rebooted first. I found someone who said that my Macbook might be too old for the HDMI technology so I returned the cords and went to the VGA cord and adaptor.
I tried this first with the HDMI setup:
http://support-us.samsung.com/cyber/popup/iframe/pop_troubleshooting_fr.jsp?idx= 167919&modelname=LN40C650L1F&modelcode=&session_id=NDhJrD0DQT0Z8KRsm62yhxJxqnyPy SKhlhpB8vQ6h9Q7R2BZJGzj!-1089109758!1761676444!7501!-1!434477884!1761676348!7501 !-1!1292098185857
Then I tried this with the VGA setup:
http://support-us.samsung.com/cyber/popup/iframe/pop_troubleshooting_fr.jsp?idx= 167901&modelname=LN40C650L1F&modelcode=&session_id=NDhJrD0DQT0Z8KRsm62yhxJxqnyPy SKhlhpB8vQ6h9Q7R2BZJGzj!-1089109758!1761676444!7501!-1!434477884!1761676348!7501 !-1!1292098185857
I contacted Samsung support and they said I needed to set the display settings to external display on the mac. I went to the display settings and moved the icon to my status bar. When I click on search for displays or whatever it says (I'm not at my Mac right now) it does nothing.
What am I missing?

I am using MAC OSx 10.5.8 (9L31a) as my operation system. The TV says "No signal. Check connected device's power, cable connection and source selection." Seems to me that that goes in hand with what the Samsung tech said about the Mac needing to be forces to use the external display. But how do I do that?

HT3382 using the thunderbolt to vga adapter, i have to unplug and replug the connection to get my display to "wake up" what's the deal?

using the thnderbolt to vga adapter, I have to unplug and replug the connection to get my disply to "wake up" What's the deal? otherwise works fine.
Same on initial boot up

First try > Resetting your Mac's PRAM
There have also been others reporting problems with analog VGA connected monitors. If your monitor also supports DVI, then you may want to use the supplied HDMI to DVI adapter or switch to a Mini DisplayPort to DVI Adapter and a good DVI cable.

Mac mini display is flicking via HDMI to DVI adapter and DVI cable

i have received mac mini server (mid 2011) recently. mac mini is connecting the display via HDMI port using DVI cable with a HDMI to DVI adapter.
the display shows constant flicking. white dots/lines show randomly. it is like those signal noise when watching analog TV.
the same display works fine and well with macbook pro (early 2008) via DVI port.
please help. please advise.

So you know the display is working.
It seems to me you have a few possible problems.
1 HDMI-DVI cable is bad
2 DVI-cable is bad
3 Connections between cables or computer or monitor are bad.
4 HDMI port on the computer is bad.
I assume you've tried #3, and re-connected cables and wiggled inputs. So then try replacing 1 and then replacing 2 which are cheaper fixes than replacing/fixing 4.........
FYI, I'm connect my mac mini using the same setup you describe, with no issues....also inspect the cable ends carefully to look for any problems.
jb

Can a Mac Pro support 5 DVI panels and 1 HDMI panel?

I'm deciding between getting a Mac Pro or new PC. I have 5 DVI panels and 1 HDMI panel to support. I know a variety of PC motherboards support a variety of video cards that will support those display requirements.
Does anybody know if the video options for the Mac Pro will also support those display requirements?

To do this with 5770s you would need two of them and at least 2 "active" adapters. It might be more cost effective to use the 5770 it will come with and 2@ 2600XT cards.
A simple rule of thumb for video cards, ATI/AMD cards ALL work on ALL Mac Pros (if they are Mac cards)
When looking at Nvidia cards, you need to be aware of which model Mac you have. Some Nvidia cards will be "EFI-32" only, and some will be "EFI-64" only. New Mac Pros are all EFI64.
http://macvidcards.com/macpro/which-mac-pro-do-you-own/
Whatever card you get, be sure it is specifically listed as being for Mac Pros. Only with Nvidia cards do you need to worry about which model.

Thunderbolt to VGA and and HDMI to DVI running at once

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