Thunderbolt to hdmi connection

Hello I'm trying to connect my macbook pro 2012 to my samsung tv as a monitor. I have a TB cable that has an HDMI connection on the other end. I'm thinking i need an actual adaptor that converts signal, not just a cable that connect one to the other? As of right now when I connect the 2 nothing at all happens. Thanks and sorry if this has been covered a million times.

No, I am a media professional who uses his MacBook Pro to connect to external monitors, and needs to continue to do so. I don't want Apple TV. I want my laptop to work again, like it's supposed to. Like it used to.
I have a demonstration this week at work that requires me to plug into an LCD screen and I am hoping to have this resolved by then. I am trying to convince my department to buy a Retina Mac and thousands of dollars worth of video software for live shows, and if I can't make it work, then I can't exactly convince them (or myself) to buy what I have been researching.
Again, I don't want wireless video or Apple TV. I don't want to buy any more stuff. I want to know why my Thunderbolt to HDMI cable stopped working after my update, and how to fix it...preferably before this meeting.

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Can anyone help me connect my Macbook Air to a SAMSUNG TV. When I follow the basic instructions (Thunderbolt to HDMI connection) the screen on my computer goes grey and an error message appears inviting me to press any button to restart th

Can anyone help me connect my Macbook Air to a SAMSUNG TV. When I follow the basic instructions (Thunderbolt to HDMI connection) the screen on my computer goes grey and an error message appears inviting me to press any button to restart the Macbook. When I do this nothing happens. Only when I disconnect the computer from the TV does the Macbook allow me to login. The TV does not receive any signal from the Macbook even though I know the HDI port works fine. Any ideas what I'm doing wrong? Do I need to enable something on the Macbook?

An update...
I downloaded Apple's (rather large!) list of software updates today, and I was finally able to recognize my iPod again. I did a restore using the iPod updater from 06-2006, and all seemed to work OK. (I'm afraid to try the new one again!)
Then I tried to re-load my music library from iTunes, and got stuck. It froze up after a while and wouldn't go any further.
When I disconnected my iPod from my computer, I find 2 podcasts and nothing else, though iTunes told me it had transferred 600+ songs. Those 2 podcasts do play fine, and the basic iPod software all seems to be intact.
So -- anyone get through this connection problem and have any ideas to share??
iMac Mac OS X (10.4.7)

My Thunderbolt to HDMI connection isn't working anymore.

I've had my MacBook Pro for about a year now (2.4 GHz i5), and I've been using a Thunderbolt to HDMI adaptor to connect to my Sharp 32" LCD with no problems since I bought it...until this week when I updated all my software/OS. Now, I can connect, the displays prefs see the monitor, but all I get is black. No sound either...even though the sound prefs recognize the HDMI connection.
I know the problem isn't the cable. It used to work, and it still actually connects this same laptop to my projector...but it won't display on my TV anymore. I even get sound on my projector. It works like my TV used to. The problem started with the update, so I want to know what changed...and when Apple plans on fixing it. These are not cheap computers...I am kind of embarassed that I have to use my gf's $350 Acer to play Netflix on our TV when I have this multimedia monster gathering dust.
This problem is extremely frustrating, and I've been doing some research on it. It seems like quite the problem for a lot of people! There are multiple unresolved discussions on here about it (some of them over 40 pages long!) and I can't really believe Apple isn't dealing with this. It's been years now since this started happening, I guess.
We're mac users...we need multiple displays, and we need this stuff to keep working when we update! That's why we've made Apple into the richest corporation in the world. Step up superstars...fix this!
Again (just to be clear) I know the problem isn't the cable, so don't tell me to go get a different one, or that it's the issue. Me and my gf basically wore out Netflix with this very laptop and cable up until this week, and I've never had an issue with it..ever, until this update (to OS 10.7.5). Everything is in good shape, and if the laptop/computer is still feeding to my projector just fine...there's something else going on here, and I think a lot of people would love to know what it is. I am not the only person this is happening to, and it's been years since people have been begging Apple to fix this!
I hope that Apple looks into this and puts these discussions to rest. There are a lot of them! Do a search! The "More Like This" box on the right here is FULL of very similar UNRESOLVED discussions. This should be a priority. You've all made enough money off us...now make your stuff work like it's supposed to and close these threads!

No, I am a media professional who uses his MacBook Pro to connect to external monitors, and needs to continue to do so. I don't want Apple TV. I want my laptop to work again, like it's supposed to. Like it used to.
I have a demonstration this week at work that requires me to plug into an LCD screen and I am hoping to have this resolved by then. I am trying to convince my department to buy a Retina Mac and thousands of dollars worth of video software for live shows, and if I can't make it work, then I can't exactly convince them (or myself) to buy what I have been researching.
Again, I don't want wireless video or Apple TV. I don't want to buy any more stuff. I want to know why my Thunderbolt to HDMI cable stopped working after my update, and how to fix it...preferably before this meeting.

Thunderbolt to HDMI does not detect TV on Yosemite

I am having the same problem as a lot of people with Yosemite and and connecting to a TV/external monitor via 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 MBP direct to the HDMI port on the TV and nothing, no signal detected.
I also tried from the MBP to the HDMI port on the amplifier of the surround sound system and again nothing.
However, if I plug the cable from my MBP directly to the TV HDMI and select that corresponding HDMI port on the TV initially still nothing. But if I then plug a normal hdmi-to-hdmi cable from my amplifier to the Mac Pro's HDMI port, suddenly the thunderbolt cable works and the Display Preferences sees the LGTV. I checked that the correct hdmi port was selected on the TV 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 as long as the hdmi-to-hdmi was still connected at both ends. However, if I then unplug the HDMI cable from MBP or the amp, the thunderbolt port stops working as well and the TV displays "no signal detected".
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 sort of fine for my MBP as I had nothing working before but it seems a bit pointless having the HDMI cable plugged in as well as I might as well just use this in the first place. However, 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.

A bit more playing around and I found that as above with the thunderbolt to HDMI plugged into the TV and a hdmi-to-hdmi plugged into the amp, with the amp turned off, I could get the thunderbolt to HDMI working. When I then went to the Display in System Preferences and the Arrangement pane, it was showing three displays, one for the MBP screen, one for the LG TV and one for the amp HDMI port (even though it was turned off). When I then unplugged the HDMI cable from the MBP the arrangement screen was no longer available as it only recognised the MBP screen. This was the same regardless of whether I was mirroring the displayed or had them as three separate displays.

No tv display with thunderbolt to hdmi, no tv display with thunderbolt to hdmi

I just bought a Thunderbolt to HDMI connection cable. It is an apple cable. My Tv just stares back at me in Blue. Does anyone know why the cable is not working or knows how to resolve this. It would be greatly appreciated. Thanks.

Hey DanVanB,
Thank you for visiting Apple Support Communities.
You may find the troubleshooting tips in the "Update your software and firmware" and "No video or no signal, image distortion, 'snow,' or flickering" sections of this article helpful, if you've connected your MacBook Pro to an HDTV but only get sound:
Apple computers: Troubleshooting issues with video on internal or external displays - Apple Support
Sincerely,
Jeremy

Thunderbolt to hdmi... is there another way to connect my Macbook Pro to my HD TV

I want to connect my Macbook Pro to my tv and have read nightmare reviews about the Belkin cable to connect the thunderbolt to HDMI... I need to make this happen as cheap as possible and don't know which route to take?

Here is the start of the setup:
Click on the Wi-Fi Options button and provide the needed info:
Click on the OK button. Now check the Internet Sharing box to turn it all on. If the port box you checked is no longer checked, then uncheck Internet Sharing, check the port box again, then check the Internet Sharing box again.

How to connect imac to tv using thunderbolt to hdmi cable

I'm trying to connect my mid 2011 iMac to my tv. I have a thunderbolt to hdmi cable that I purchased. I connected the thunderbolt port to the iMac and connected the hdmi port to the tv. I turned on both devices and the tv is not getting the signal. What am I doing wrong? Any help would be greatly appreciated!

If you open the Displays preferences and do not see an Arrangement tab (or there is an Arrangement tab that shows only a single monitor) then there is something physically wrong with your connection.
Although I don't have thunderbolt, since you can plug mini-displayport into a TB socket, then like mini-displayport, they a a little sneaky in that you need to make sure the plug is fully seated in the socket.
If you do have an Arrangement tab, and it shows two screens, then click detect displays. Then click Gather Windows to bring the TV's Displays preferences on to your main screen. Set the proper resolution (probably 720p, 1080i, or 1080p). Set the refresh rate (probably 60Hz). You should see a picture at this point.
You may have to play the underscan/overscan settings on your TV and the displays prefs for the TV if the picture is too small or larger for the TV screen.
Also, you need to set your Sound preferences to output to the HDMI connection.

My connection via hdmi to my TV is no longer working. Even if I use a thunderbolt to hdmi converter

Hi, the day before yesterday I turned on my tv which was connected via HDMI out on the mac mini to HDMI in on my TV. Everything was working fine, however I have been trying to set up dual monitoring on another monitor using an HDMI to VGA adapter to my second monitor but nothing was working. I was about to watch a film from the mac to the TV wen I thought it might be the resolution on the hdmi out why it wasn't working on the monitor but was on the TV so I changed the settings and the hdmi to the TV cut out. My main monitor is connected by thunderbolt to VGA adapter and works fine. I can change all the settings for screen resolution on the main monitor and have tried every setting on it then unplugging and plugging in the hdmi cable from the mac to the TV. I get the blue flash on the screen so I know it is being detected but here is where it gets weird.
I figured I would try the thunderbolt to HDMI converter I originally bought for my iMac and again the blue screen flashes up but there is no blue flash or any sort of detection on the TV.
The whole time there is nothing showing up on the screen, even when I unplug my main display from thunderbolt to VGA (the main monitor) and connect the thunderbolt to hdmi adapter and plug in the hdmi to the TV.
I know it's not the hdmi cable as I have tested it on my youview box to my tv and it worked fine.
I also know its not the tv as iv connected my friends windows laptop to the TV using the same cable so it must be the settings on the mac.
I have tried doing a time machine restore to the day I bought it and have had no problems so far until I changed the settings. Why oh why did I mess about with it!!
If anyone can help please let me know ASAP.
It doesn't show up the HDMI output in audio anymore either, however like I say it flashes blue wen I connect the hdmi but seems to have no idea that the HDMI is connected in the display settings! It's so frustrating. I'm going to call the mac support today but if anyone on here hash as any similar problems n fixed them please let me know.
Btw I'm running Mac OS X 10.8.4. I know I can connect via a long VGA cable but that's not really the point. I, at least would like to get my mirrored desktop on my tv back from HDMI!

Ok so I happened to figure it out while on the phone to apple support. Even though the guy was very nice, I think I knew more than him! He was explaining very basic resolution principles I played about. I had the second option in displays resolution. All I did was unplug the HDMI cable, click on 'best for display' then plugged the HDMI in and my resolution on the normal monitor changed to the normal blue, then went black momentarily and then changed to a strange resolution but another window appeared that said SONY BRAVIA HDMI at the top! Hey presto! Don't know why it didn't do it yesterday - I probably left the HDMI cable in or something! Oh well. Problem solved!

HT5219 When I connect my MacBook Pro to a TV (Thunderbolt to HDMI) no display is recognized and I am unable to mirror. I have a 2.9 GHz Intel Core i7 with 8GB 1600 MHz DDR3 running OSX v 10.8.3.

When I connect my MacBook Pro to a TV (Thunderbolt to HDMI) no display is recognized and I am unable to mirror. I have a 2.9 GHz Intel Core i7 with 8GB 1600 MHz DDR3 running OSX v 10.8.3.

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MacBook Pro does not sense external monitor (Panasonic HDTV in my case) via thunderbolt-HDMI connection...Is update 10.8.3 helping anyone?

My MacBook Pro (newest model in 2013 so far) does not sense external monitor (Panasonic HDTV in my case) via thunderbolt-HDMI connection...Is update 10.8.3 helping anyone else who has this issue? I returned my multiple HDMI adapters after figuring out it had to be an Apple issue n not the adapters so I can't check it myself now.
Thanks!

I have late 2012 MBP 13" and connect to my Panasonic Plasma correctly.
But using the same cable, can't connect to an LG 47LM6200, the MBP detects the TV, the screen blinks blue, but the TV shows "no sinal detected" message.

Help: 2011 imac 27" won't detect External Display connected via thunderbolt to HDMI

I have an 2011 imac 27" and I'm trying to connect an Acer 23" monitor as an external display. I'm using a miniDV(thunderbolt) to hdmi cable. For some reason the computer is unable to detect the display. However when I reboot into windows via bootcamp, the display is detected and works perfectly.. Any way to force thunderbolt to detect this?

Well, weird outcome... I took the monitor back and exchanged it for a better model, better brand. The thunderbolt to hdmi cable works fine with this new monitor in osx. Thanks again..

HT2998 connecting MacMini to display with after market thunderbolt-to -HDMI, not working

just purchased the mac mini, purchased after market thunderbolt to HDMI cable. connected from mini to display monitor. nothing comes up, display reads no VGA signal.

Does the monitor have a way to change input source?
I had this same issue when I first tried with my MBP, I had to do an SMC reset to get it to work.
Resetting the System Management Controller (SMC) on your Mac - Apple Support

Though I have connected my receiver using thunderbolt cable/hdmi it does not emit sound, but i can see the display

My imac does not detect the thunderbolt. so cannot select external speakers though I have connected the mac using thunderbolt to hdmi. cannot receive sound but video is seen.

I have one thunderbolt port and one mini display port.
No Mac has both Thunderbolt and Mini DisplayPort. They are both Thunderbolt. A Mini Disp;layPort cable or adapter will work in a Mini DisplayPort or Thunderbolt port.
A Mini DisplayPort to HDMI cable or adapter can handle both audio and video, but some older ones are video only.
You may have a broken audio wire in your cable. Try a new cable or Mini DisplayPort to HDMI adapter. Make sure it says it will handle both audio and video.

Connect to 2 external displays using 2 thunderbolt to hdmi cables

I have a new iMac which has 2 thunderbolt ports. I was told that I can add 2 displays using these ports with thunderbolt to hdmi cables. However when I do this only one screen connects. The other remains blank (and off).

Hello, I wonder if HDMI isn't the problem?
It's supposed to...
2nd Display Support:
Dual/Mirroring*
2nd Max. Resolution:
2560x1600 (x2)
Details:
*This model can simultaneously support two external displays up to 2560x1600 via Thunderbolt.
http://www.everymac.com/systems/apple/imac/specs/imac-core-i5-2.9-27-inch-alumin um-late-2012-specs.html
Do the monitors have anything besides HDMI?

No sound in hdtv after connecting via thunderbolt to hdmi cable from macbook pro

no sound in hdtv after connecting via thunderbolt to hdmi cable from macbook pro

What model MacBook Pro?
The mini display port on earlier Apple computers only support video. See:
About Mini DisplayPort to HDMI adapters
Also, if you go to System Preferences>Sounds>Output do y see HDMI or Min displayport as an Audio out option?

Thunderbolt to hdmi connection

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