Mini display port hdmi cable and adapter not showing display on LG TV
Connected my macbook air up to my LG TV 32 inch, via mini displayport - adapter to HDMI and then HDMI cable to HDMI port on the TV.
the TV is detected on detect displays on the macbook - but the TV says no connection.
Does anyone have any idea why this isn't working?
I've tried both HDMI 1 and 2 ports on the TV and neither can detect a connection, although when first connecting it it did say "connecting" for about 5 seconds before cutting out.
Seems like many people are experiencing problems with connecting to a tv via mdp-hdmi adapter. I have the same problem connecting my newly bought macbook air to my 4 year old samsung 32 inch. Both screens goes blue and blinks. My mac recognise my tv though, it says samsung when I go to the screenmenu to change resolution.
I have tried two different adapters, the moshi adapter which Apple recommends and another one. Im experiencing the same problem with both.
I´ve kinda concluded that it has to be a software problem since my mac has started to act strangely after I tried making it work for 20 minutes.
Apple please fix -.-
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The sound was coming out of the laptop and not out of the tv though
Connect an audio cable from your Mac's audio out socket to the TV's audio in socket. Adapter cables often need audio to be connected separately. I had a similar problem connecting the mini display port to DVI cable, then DVI to HDMI adapter from there.
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2. http://www.amazon.com/Display-Port-HDmi-Adapter-Cable/dp/B0021AEYS6/ref=cm_cr_pr_product_topSeems like many people are experiencing problems with connecting to a tv via mdp-hdmi adapter. I have the same problem connecting my newly bought macbook air to my 4 year old samsung 32 inch. Both screens goes blue and blinks. My mac recognise my tv though, it says samsung when I go to the screenmenu to change resolution.
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Hi, I have just bought a brand new HDMI cable and HDMI to minidisplay adapter and tried to connect my Macbook Pro up. The external display knows it is there but it is not getting any signal. I have tried on another TV and it also says no signal and I also tried using another Mac but it still didn't work.
Can anyone help?In some versions of Mac OS X, with the Displays pane open, holding the Option key will show the detect displays button in the lower right.
I am using OS X Mavericks. Where did the Detect Displays button go?
You can find the Detect Displays button in the Displays section of System Preferences. Once there, press and hold the Option key to see the Detect Displays button in the lower-right corner. You can click this button to manually detect another display.
Another technique is to sleep and wake your computer, which will send the detect display sequence as well. -
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Do you have gfxCardStatus installed? Is your monitor set to "Integrated" or "Discrete". You want it set to Discrete to drive the external HDMI display.
Try resetting the PRAM and SMC
<About NVRAM and PRAM>
<Intel-based Macs: Resetting the System Management Controller (SMC)>
Are you sure you have a good miniDisplayPort to HDMI cable?
Do you have another HDMI display you can test against (your neighbor's HDMI capable TV).
Do you have friend that can test the cable using their Mac and maybe their TV or a monitor that has HDMI input. -
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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.
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