Display Port DVI HDMI no longer interfaces my TV with 10.7 lion.

I have used successfully used my LG 720p tv with a Apple branded Display port --> GE branded Dvi adapter followed by a dvi --> HDMI adapter directly into my TV.
Upon upgrading to Lion (10.7) two days ago I discoverd that my MacBook Pro no longer recongizes the connection. Both the Mac and TV initially try to interface (Macbook bluescreens, TV says connecting) I've checked all the connections and nothing seems to be broken.
I have also tried my other Display port --> VGA adapter and this also unsuccessfully links...
Has anyone expierenced other issues with display port functionality after the upgrade to Lion?

I am also having a similar issue with my MBP 17" Mid 2010 and my LG tv. It flashes and tries to connect but doesn't successfully pair. Both over HDMI and VGA.
Here's my post
https://discussions.apple.com/message/15730208#15730208
Sorry this is a repost, and I can't find how to delete a post.

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Mini display port to HDMI adapter not working

I can not get my MacBook OS X to dispaly on my new Samsung LED TV. I have a mini display port to HDMI adapter (two years old) conneted with an HDMI cable (new) into the HDMI input on the TV. I tried both inputs, tried resetting the TV, plugging, unplugging, restarting, checked all my system preferences...I can not figure it out. I took my cables to a local store, tested the HDMI cable, and it works. Tested the adapter and they had the same problem I have on my Mac. The screen will flash blue when you plug it in, but will not show up in the TV. I think the adapter must be bad, nothing else makes sense???

Hi Kater24,
Apple doesn't make a Mini DisplayPort to HDMI adapter, so the one you've got there is a 3rd party one that's designed to work with the Mini DisplayPort on your Apple computer. The adapter is pretty much plug-n-play, there's no configuration necessary. Plug it into the machine, the HDMI cable from the other end of the adapter into your TV, select the HDMI input on your TV and fire up the computer.
If that's not working it's possibly an issue with the adapter and/or cable to the TV. Any chance you might have access to another TV for troubleshooting purposes?

P2415Q - No display over DVI, HDMI. No menu. Worked perfectly for one month over display port

Reason Line: Dell P2415Q. After one month working perfectly over display port, no display on screen over Display Port or HDMI, no response to menu buttons, backlight and power LED on but no image on screen.
Problem Description
The monitor worked out of the box for one month using the display port to mini display port cable provided with the monitor, which was plugged into my XFX 7970 and 7950 graphics cards. It supported 4K at 60Hz and was exceptional for photos, videos and games. On Wednesday the monitor stopped working, no image or menu is displayed on the monitor. I plugged in my old monitor to help diagnose via DVI from the same graphics card. When I press the power button on the Dell P2415Q monitor, the power LED lights up and the computer detects the monitor (as shown in the windows screen resolution menu). It sets it as a secondary display but the monitor remains black, I can see the power LED and backlight is on. No power saving mode popup appears on the monitor, when I press the menu buttons there is no response from the screen, it remains black. I repeated with a HDMI cable the same issue occurs with no response or image. I repeated and disabled crossfire (which allows the graphics cards to function independently) and tried the second graphics card with no response. I tested the HDMI cable I used on my old LG monitor, it works well. I have tried connecting a laptop over HDMI to the monitor too, with no response from the monitor. I have exhausted all the tests I can think of, I presume I will have to return the monitor for repair or replacement under warranty. A question to the dell rep and community - is there anything else I can try / do to get it working?
Monitor / Computer Details
Monitor service tag: <removed>
Computer: Non-Dell, self build about 2 years ago. Ivy Bridge i5, Gigabyte Sniper Motherboard, 16GB RAM, XFX 7970 GPU and XFGX 7950 GPU in crossfire, 256GB SSD, 860W Corsair AX power supply (860W on 12V rails). Windows 7, 64-bit. (Secondary Monitor LG D2342).
Operating System: Windows 7, 64 Bit.
Video Card: XFX 7970 and XFX 7950 in Crossfire (tested separately, monitor produces fault with both).
Video Card Driver: 14.12 AMD Catalyst Driver (rolled back to older driver, monitor still produces fault).
Video Card Output Ports: Tested with miniDP and HDMI on both cards, with crossfire enabled and disabled. Monitor still produces fault.
Video Card Cable: miniDP to DP cable provided with monitor. HDMI cable, tested with alternate monitor to confirm it functions correctly.
Monitor Menu Button: Non responsive, when power is turned on the computer successfully detects the Dell P2415Q monitor, the backlight turns on but no image appear on the screen. Pressing the menu buttons yields no result - menu does not appear on the screen. Power LED is on.
Monitor Purchase: Purchased from Overclockers.co.uk March 2015.

* Turn the monitor off
* Disconnect all cables from the monitor including the power cable
* Press the monitor power button in for 15 seconds
* Reconnect the monitor cables and re-test. If still no go, your only option is to get it exchanged per the purchased warranty
* But first the service tag must be transferred into your name using this form

Mini display port to HDMI...help

I have all my options selected and was just about ready to click purchase on a new 2010 17" MBP and thought I would double check one more thing...Mini display port to HDMI with audio.
I see many post about this, but most seem to be on 08 models...have the new ones changed? I am more less getting this for my wife to use and she needs it for presentations. I finally got her to go from PC to my old 17" G4 laptop and it's time for an upgrade. The one issue we run into is that files are commonly sent as Power Point, but we got through that with a Mac/Microsoft upgrade.
I am told the location that these presentations are displayed, plans to get a new monitor and they are looking at BestBuy and such for TV style monitors with the HDMI option. This seems like a cheap way to get away from the projector system they have now that only supports S-video or VGA. I'm hoping that Apple now supplies audio thru the HDMI cable which is in my (limited) understanding the main reason the change over from DVI to HDMI was implemented in the first place.
If the no audio issue is still a factor, maybe I should put off the new MBP, because I am trying to get away from having to make the trip with her, in order to make sure we have both audio/video. With the projector system they now run, I have to take a PA and output the audio from the headphone jack and then run the S-video to the projector. I am hoping the new MBP will have one cable connection and she be on her way!
M

Well for starters, anyone who puts audio into a PPT presentation needs to be taken out back, beaten, drawn and quartered, beaten again, put in a stockade, flogged, then beaten one final time for good measure. The only audio coming from a presentation should be the presenter speaking. The PPT slides are meant to be secondary in nature, highlighting the major points of the presentation as you go along, not be the presentation. Audio and video, even those stupid transition effects, just distract from the content. The people at Microsoft responsible for putting those features into PowerPoint, and thus opening the floodgates for all their competitors, should have all the above happen to them, and then add being shot to the very end of it. It's still far too good a fate for the **** those people have loosed unto the world.
That being said, I'm under no illusion that this is going to do anything but get worse over time, so here's the deal.
You need a MDP to HDMI adapter that is designed to also carry the audio signal. But it couldn't hurt to teach her how to ensure that the audio output device is set properly. Just in case. Or, you could do the right thing, and start smacking the people who think it's cute to put all these animations and sound effects into presentations. There are a very select few times when that sort of thing is justified, and 99.99999999999999999999999999999% of the time when one is used, it's not one of those times. Then you wouldn't really have to worry about getting audio AND video. Might be rather cathartic too.

I just ran a software update for Java and MacBook Pro SMC, now my Mini Display Port to HDMI TV is not working. The TV is flickering. The Mac Display is fine.

I was just watching / streaming TV off Safari on my actual TV.
I'm using a Mini-Display Port to HDMI cable for the connection to the external display.
Software update popped-up and said there was an update for Java and for SMC.
I ran the update and upon the computer restarting, my external display (my TV) is no longer working. It is now flickering.
It won't work in Mirroring or set up as an extended display.
I've reset SMC / PRAM / Safe Mode / Even restored from a Time Machine backup (From before the updates were done).
What could it be?!

I keep saying this over and over, in the hope that people who do a search will find it. Apple cannot possibly test for or be reponsible for the bazillion combinations of adapter, cables, and TV's out there. The only monitors that are 100% guaranteed to work with the MacBook Pro are the Cinema Displays and Thunderbolt Displays, because, they're made by Apple. They're expensive, but they work perfectly.
My guess is that you bought a cheap MDP to HDMI cable, or have a defective one. From my reading of these boards over the past few months, cheap cables have a high failure rate. And the regular priced ones have only a slightly less of one. Try a new one. Make sure you do not damage the Thunderbolt port.

Mini Display port DVI adapter not working on Thunderbolt Port

For some time I've been using a mini display port to DVI adapter on an slightly older MBP to connect to my HD TV. I recently purchased a MBP with a Thunderbolt port and when I try to connect it to my TV via my mini-display-port-DVI adapter things are not working properly. The MBP is seeing the Philips TV but it isn't listing all the display modes and I'm not able to send any video to it. Does the Thunderbolt port require a new display port to DVI adapter?

Let me be clearer; I've got the MDP-DVI adapter connected to a cable that is DVI on one end and HDMI on the other. I've got both laptops so I can compare side by side. I plug in the MDP-DVI adapter to the old laptop and all works well; I plug it into the new laptop and while the laptop does see the TV, the display modes for it are all 1080p which is wrong I don't see any desktop image on the TV unlike when I plug it into the older laptop. This is very disappointing as I expect things to just work with Apple products.

I have a macbook 13"screen purchased in 2007; I want to hook it up to my HDTV; I purchased a mini display port to hdmi adaptor but it does not fit. what kind of adaptor will work for this model?

I have a Macbook, 13" screen, purchased in 2007. I want to hook it up to my HDTV; I purchased a mini display port to hdmi adapter but it does not fit. Any suggestions?

If you connect yourMacBook using a MiniDVI/HDMI adapter you will need to use external speakers for audio since the pre-2010 MacBooks will only send video through the MiniDVI or MiniDisplay Port . The MiniDVI/HDMI doesn't carry audio and there's no audio plugs on the TV to work with HDMI since it's expecting audio with the HDMI.
If your TV has a DVI input plug you can use a MiniDisplayPort/DVI adapter. Then a DVI cable to the DVI input plug on the TV. The TV will have RCA audio plugs for use with the DVI. Plus DVI gives a sharper image than HDMI.

I have a MacAir, mid 2011 model, and want to view video on my TV. I see that I need a mini display port to Hdmi but there are many of these. What exatly do I need and how does one view a movie downloaded to the MacAir on a TV screen?

I have a MacAir, mid 2011 model, and want to view video on my TV. I see that I need a mini display port to Hdmi but there are many of these. What exatly do I need and how does one go about viewing a movie downloaded to the MacAir on a TV screen?

Welcome to Apple Support Communities
That's exactly what you need. A Mini DisplayPort to HDMI adapter and a HDMI cable. See > http://support.apple.com/kb/HT4241?viewlocale=en_US
This is the only way to view a video on the TV. After connecting your MacBook Air to the TV, image on your TV should show immediately. Then, press Command and F1 keys to mirror your MacBook Air display, and open the video

Help using a mini display port to HDMI cable with MacBook Air and TV

Hi, Apple gurus. I need help setting up my MacBook Air to my Vizio TV using a mini display port to HDMI cable that I just purchased on Amazon.
And here's info about my MacBook Air:
In the Amazon reviews, someone posted the following how-tos, which aren't working for me:
1. Plug in both ends, mini display port on your macbook and the HDMI on any available port on your LCD.
2. Go to upper left Apple menu and scroll down to system preference. Or use your FINDER from the dock, go to applications, then system preference.
3. Click on Displays
4. Click on DETECT DISPLAY
5. A similar screen pops up with name of your LCD, mine says SONY LCD, click on ARRANGEMENT
6. Click the box that says MIRROR DISPLAYS.
7. Go back into system preferences and go to SOUNDS which is located under HARDWARE.
8. Click on OUTPUT, then select HDMI, which should be listed next to your LCD name.
I ran into trouble at step #4. My MacBook Air doesn't list the option of "detecting display." I do, however, have the box mentioned in step #6, "Show mirroring options in the menu bar when available."
Regarding step #8, HDMI didn't appear in the list — I only see "internal speakers."
So, what am I doing wrong? Or, did I buy the wrong cable?
Thanks in advance for your help!

Or you need to get an appropriate adaptor. The Griffin adaptor sold on Apple's Online Store will work with a standard HDMI cable.

Mini-display port to hdmi cable not working consistently

I have a MacBook Pro (15-inch, Early 2011) 2GHz Intel Core i7, 4GB, Intel/ATI combo video - Yosemite 10.10.2. I purchased the monoprice 15" mini-display port to hdmi cable and it worked perfectly for about 1 month or 2. Now when i plug in the cable, the MBP doesn't detect that I have a second display connected at all. I assumed the cable died so I tested it on my iMac. The cable worked. Also when I try my Monoprice 15" mini-displayport to VGA cable, that works on my MacBook Pro. I can't figure out what is causing my MacBook Pro to "forget" how to detect this cable. Anyone out there experiencing the same? I tried PRAM reset to no avail. Any suggestions would be great.

Hello David,
If you are having issues using your external display with your MacBook Pro, check the article below to continue your troubleshooting with resetting the SMC as well. Work your way down the article if you still are having issues after that.
Apple computers: Troubleshooting issues with video on internal or external displays
https://support.apple.com/en-us/HT201177
Regards,
-Norm G.

Mini display port to HDMI problem...still happening, apple needs to help!

i read a lot about this topic and the question was marked answered, but there was no answer, sooo...
this is just a heads up to apple that this problem still exists and many people are still having it! Please do something... you put this mini display port on your computers... sold them to us... and now dont have software that lets it work... loosing a lil faith in apple today! there were 11 pages on this that i saw, i think it deserves a firmware update!
this next part is a direct copy of a post by sanktcolon and he explained the problem very well, so if your interested...
I figured I would just tell you all about my story. I do not have any solutions, the problem is still ongoing. But first I'd like to clear some confusion.
There seem to be a couple of people in this thread who thinks that when you experience this problem and you plug the HDTV with your MacBook through HDMI, you get a connection with the HDTV and can change the settings. This is not true. What happens is that the MacBook will flash its screen like it does when it detects a TV being connected, but then it will go back to normal. No connection established. Of course, there's people in this thread with different kinds of problems but with similarities. However, the main problem in this thread is quite clear and it's the same one that I have.
So with that out of the way, here's what happens for me and most people in this thread:
I've been using a Mini Display Port to HDMI adapter for quite a while and it has been working great. But lately I've been experiencing issues with it. There is nothing wrong with the adapter nor the cable, and certainly not the TV.
When I connect the adapter to the computer, the screen on the MacBook will flash blue, like it should, but it will not connect to the TV. What does this mean? It means that it detects the TV but is unable to establish a connection with it. Probably because it sends the wrong signals.
Now that's all pretty logical, but here comes the weird stuff. If I continue to try and re-establish a connection, either by plugging in and out the cable or changing HDMI-ports with the TV-remote (the MacBook re-detects when I switch from HDMI1 to HDMI2 and back), it will eventually establish a connection with the TV and work fine. Though, this can take minutes. Plenty of minutes. Last night I tried re-detecting for about 15 minutes and it didn't work. However, this morning it worked quite quickly.
So the problem is quite obviously with the MacBook/the OS and not with the adapter, cable or the TV. It's just ridiculous, and frankly quite annoying, to read posts where people claim you should get a new adapter. Why? Because there's so many people out there with different adapters, and people who have switched adapters and so on and so forth, that experience the exact problem I just describe. So either there's a problem with the MacBook/OS or there's a lot of TVs and adapters out there that are faulty. It's just illogical.
Once again I would like to remind you all that there's no connection, what so ever, between the TV and the MacBook when it doesn't establish one. And by establish I mean that you can actually see the screen on the TV. So bringing up the display settings won't do anything, search for devices on the TV or in the MacBook won't do anything. There just is not a TV there for the MacBook.
I have tried everything posted in this thread and the only thing that works for me is trying over, and over, and over, and over again until it just randomly works.

I too am having this same problem with my Macbook Air (Late 2010 Edition). I think this has something to do with OSX 10.6.6. Before the update, my mini display to HDMI was working flawlessly. Now, when I try to plug in to the TV my macbook just flashes the blue screen with no picture going to the TV what so ever. I'm not sure what was done with the update, but i'd sure like to be able to connect this machine to the TV again! APPLE, HEAR OUR VOICES! Fix this problem!

Mini Display Port To HDMI Cable Not Working?

Dear members,
i have a mid 2010 13" macbook pro which i have been using a mini display port to HDMI cable which also carries audio for for years now.
I went to use it last night and have to pull the cable out and plug it in a few times to get it to work.
Tonight it just wont work at all no matter how many times i pull the cable out and plug it in again!
Before i use to just connect it and boom, screen would go off then on and it would also mirror on to my TV.
My TV is a 32" Toshiba TV, i tested the HDMI ports, working fine. The mini display port to HDMI cable works fine on my 42" TV downstairs.
Any one know of a fix for this?
Thanks.

Hi DjTimmyM,
Thanks for visiting Apple Support Communities.
Start with the steps below to troubleshoot issues with video out from your MacBook Pro:
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Reset the system
You can reset the Mac's parameter RAM and SMC.
Best Regards,
Jeremy

Mini display port to HDMI make my retina MacBook Pro have strong static

Hi god, every time I use my new Retina MacBook Pro only one weeks old using internal battery connect mini display port to HDMI to my Sony LED TV my MacBook Pro will have will strong static all around the body! If I plug in the Mac adapter the static will be gone! It never happen to my old MacBook Pro 2011 early! Pls help...

If it is the same adapter, then I would bring the MBP and the adapter to an Apple store for evaluation. If not, the adapter may be the problem.
Ciao.

I am trying to connect mbp to tv using mini display port and HDMI cable TVtuned tocorrect port as shows Mac wallpaper (purple star scene) but does not show what is on MBP. What can I try so that I can see mbp display on TV?

What do I needto do to connect a tv as an external display for my mbp using a mini display port to hdmi cable. I have tried display without success. tv is receiving a signal as displays apples default wallpaper when connected but nothing from screen of mbp.

Soundls like it is working. Try dragging a window on the MBP to the edge of the screen and see if it appears on the TV.
There are two ways to set up the TV one is to mirror the MBP display and the other is to be an extension of the MBP's screen.
You change the settings in System Preference->Display

Why does my mini display port to hdmi adapter cut out intermittently?

I have a MacBook Air 2012. Using a bestbuy mini display port to hdmi adapter connecting to a sony led tv. The picture and sound transmits to the tv, but the signal would cut out after 10-15 seconds and it would last about 3-5 seconds and then the picture would come back again.

to me something happened similar to me but after removing the connector and put it back was solved, and now to use it with my TV I have to make sure both are well connected to both the Mac and plug the HDMI cable and adapter tv .
I hope that solves your problems resolved as mine
Blessings.
a me me a pasado algo similar pero luego de sacar el conector y volverlo a poner se soluciono, y ahora para poder usarlo con mi TV tengo que asegurarme que esten bien conectados ambos tanto el conector al mac como el cable hdmi al tv y al adaptador.
espero que eso resuelva tus problemas como resolvio los mios
Bendiciones.

Display Port DVI HDMI no longer interfaces my TV with 10.7 lion.

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