Connecting a mini displayport to HDMI does not work

I recently purchased an new MacBookAir and bought a new mini diplay port to HDMI adapter. However, when I connected the port to my LED Samsung TV, only the display screen from the laptop was projected on the LED TV Screen. The icons were missing and couldn't even find the cursor on the screen. What should I do to have this work?

It's working. This is called 'extended desktop mode'. Grab an application and drag it off the right side of your monitor and it will appear on the TV.
You can visit System Preferences > Displays > Arrangement tab for all the options.
To mirror your monitor on the TV hit CMD F1
Regards,
Captfred

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Mini DisplayPort to HDMI Adapter Not Working

I just got a mini displayport to hdmi adapter that I ordered from dealextreme and it does not work. The adapter had very good reviews and not one review said it didnt work. When I plug in the adapter (with or without a hdmi cable attatched to it) to my macbook, the screen blinks and then goes back to normal. When everything is properly connected the tv shows no input signal (I am on the correct input channel) and the screen doesnt appear in the displayas settings in my macbook pro. I tried to reboot the macbook, shut down and turn on the screen and nothing seemed to work. The detect display option in the system preferences didnt help. I appreciate any help I can get.
-Yonatan

I just got a mini displayport to hdmi adapter that I ordered from dealextreme and it does not work. The adapter had very good reviews and not one review said it didnt work. When I plug in the adapter (with or without a hdmi cable attatched to it) to my macbook, the screen blinks and then goes back to normal. When everything is properly connected the tv shows no input signal (I am on the correct input channel) and the screen doesnt appear in the displayas settings in my macbook pro. I tried to reboot the macbook, shut down and turn on the screen and nothing seemed to work. The detect display option in the system preferences didnt help. I appreciate any help I can get.
-Yonatan

Mini DP to HDMI does not work with Mac Mini 2014?

Hi All,
I just upgraded from a Mac Mini 2011 i5 to a Mac Mini 2014. My old Mini worked fine running 2 displays with an HDMI cable to one monitor and a Mini Displayport to HDMI from the Thunderbolt port to another monitor. I can't seem to get the new 2014 Mini to see the monitor from either the Thunderbolt ports. Is this no longer supported?
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Hi there LaureynR,
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" help me please" I have Windows 7 installed on my mac pro and Bought Mini DisplayPort to VGA Adapter to connect to lcd tv But it does not work? why? please help me

" help me please" I have Windows 7 32 bit installed on my mac pro and Bought Mini DisplayPort to VGA Adapter to connect to lcd tv But it does not work? why? please help me
I have to boot with a Windows
When I use the Mac operating system not have a problem and DisplayPort to VGA Adapter Working properly
why does not work with windows ?
What should I do؟
I'm grateful to give advice
tanks
[email protected]

Someone in another section answered this. Thanks.

Mini-Displayport to DVI adapter not working, but Mini-Displayport to VGA and Thunderbolt work fine

Mini-Displayport to DVI adapter not working, but Mini-Displayport to VGA and Thunderbolt work fine.
This is a brand new MacBook Pro (15-inch, mid-2012) just received. I suspect that this is a hardware problem as:
The mini-displayport to DVI adapter and the external monitor that I am utilizing connect and operate just fine using my older MacBook Pro (mid-2010) with the same OS.
The new MacBook Pro powers the external monitor with a mini-displayport to VGA adapater without issue.
The new MacBook Pro powers an Apple Thunderbolt display without issue.
Both MacBook Pro's are running OSX Lion 10.7.4.
The only combination which does not work is the mini-displayport to DVI adapater used in conjunction with the brand new MacBook Pro (mid-2012).
All adapters and components (mini-displayport adapters) are Apple retail adapter.
I have tried several external monitors, including my Dell U2412m.
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I turns out that the logic board of my MacBook Pro was faulty (despite being brand new).
I took it to the Apple Store, presented the problem, and one of the Tech's came to the same conclusion that I had -- hardware failure. Phone support was no help in the matter (and even told me that what I was trying to do wasn't a supported option, which is rediculous). However, the Genius Bar did take care of the problem, and my MacBook Pro was back to me with a replaced logic board within a few days.
Hope that htis helps.

Can i connect a "Mini DisplayPort to HDMI Adapter" to my macbook pro and t.v without having to buy the hdmi adapter?

I have a macbook pro 13 inch running on mavericks 10.9.2 and i was wondering if i could just use the "Mini Display Port to HDMI Adapter" and connect it directly from my computer to my t.v? because i see a lot of people on youtube connecting the "hdmi adapter" to the computer first, then connecting a regular HDMI cord to the adapter, then lastly to the t.v........ Does it make a difference whether or not I connect a "HDMI Display Port" directly from the computer to the t.v without using a adapter to connect with a regular hdmi cord??? what is the adapter really for anyways???

eric199398,
without knowing precisely which computers the people on YouTube are using, it’s hard to say whether they’re taking unnecessary steps or not. You should be able to connect the Mini DisplayPort side of a Mini DisplayPort to HDMI adapter to your Thunderbolt port, and connect the HDMI side of the adapter to your TV’s HDMI port.

Mini-DisplayPort to HDMI adapter not coming soon

Despite what has appeared in various blogs around the web (and what I had been told previously), it looks like a Mini-DisplayPort to HDMI adapter from Monoprice will not be arriving this month. An e-mail message from monoprice tech support states:
"We are searching for vendors who can produce this for us, but have not found a solution yet. We can not provide any type of time frame regarding when they will be available until we find a source, get a contract and make an announcement. We appreciate your patience and will do our best to find a source if any exists."
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i was wondering why the website did not even show the MDP to HDMI at all but showed a MDP to VGA and MDP to DVI. sigh..
maybe i'll have to buy the 24" Cinema display hahaa

Mac Mini + A1038 Cinema Display does not work

Hi,
I have a 2009 model Mac Mini with mini-dvi and mini-display port's on the rear. I can connect any of my DVI based monitors to the mac mini using either the mini-dvi to dvi cable or the mini-displayport to dvi cable. All monitors except for the A1038 model Apple Cinema Display.
The cinema display works with 3 other computers with DVI ports, turns right on and is detected right away. When plugged into the mini it does nothing. Sometimes I can get it to work with the mini-dvi to dvi adapter but that is sporadic.
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So my question is, why does apple hardware only work with non-apple hardware?

Is the A1038 the old, plastic Cinema Display that doesn't have a power cord or power supply? It only has a video cable with the special ADC on it? If that's the case, it needs this to run from a newer Mac:
http://store.apple.com/us/product/M8661LL/B

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Hi 2 all!
I bought a Mini Displayport to HDMI cable (Manufacturer Artwizz) a few weeks ago and last week I have received the new Macbook Pro 13''.
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Then unless there's some newer/different setup in 2011 13" MBP (if so, I'd look in Displays), it sounds like a hardware issue, either with the cable or the MBP.
I would contact AppleCare, as you are still in your three month free phone support, and one year hardware warranty.

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Boris {edited for privacy}

As I said in my posting, I am a professional. I would not have bought the unit had I not seen the logitech listing of compatible STB. Also, be assured that I have hooked it up correctly. There does not appear to be any way to do it wrong.
1. STB hdmi OUT to Revue hdmi IN
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How pray tell could I have screwed that up?
Read my post please. Went through the cable **bleep**
Revue HDMI out to TV works okay I get a signal and can start the initialization procedure. I have a wifi problem which
I may fix by opting ethernet if high gain antenna does not fix. As I said, I am a professional..i have read thoroughly the Actiontec (router), logitech and Verizon Forums. This STB misbehavior is endemic to to the benighted Motorola STB and has been endemic from the start. Obviously, Logitec testing of the Motorola STB was inadequate. My original question
stands, since the MOtorola STB does not work on HDMI. Please confine your reply to a substantive response to my question.
1. When will the Verizon STB be made to provide fully functional HDMI outputs.
if not that,
2. When will Verizon provide a fully functional STB?
BorisBeizer
MSEE ( Uof P 1963) PhD Computer science (ditto, 1967).

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Since updating my at305-16 to JB hdmi will not work . I go into settings and select hdmi out but get no signal on tv.

I think it might be a JB driver issue. I was having the same problem connecting it to my LCD, but when I switched to my plasma it works. The LCD is 1080P Auto the plasma is 720P auto. But fropping my LCD to 7120P didn't help. I don;t know if you have two TVs to try on, but it couldn't hurt.

HT5012 Hdmi does not work on my iPad or iPhone since doing the update 7.0.2

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Try resetting your wireless router by unplugging the router from the power for about 30 seconds then plugging it back in.

My thunderbolt gigabit ethernet adaptor does not work on hotel ethernet connections, My thunderbolt gigabit ethernet adaptor does not work on hotel ethernet connections

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maybe it just takes a lot longer to acquire an IP address at the hotels vs your home, where the network is already known
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Hi,
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Read my post in Mac Mini to HDTV. A 3rd party utility called DisplayConfigX will allow you to create a custom resolution that will resize the Mac DVI/HDMI output to fit.
It is annoying when that top menu bar is off the screen huh?

HDMI does not work with Mini iPad

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Hi there LaureynR,
You should still be able to do this. I would recommend taking a look at the article below for troubleshooting steps.
Apple computers: Troubleshooting issues with video on internal or external displays
-Griff

Connecting a mini displayport to HDMI does not work

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