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Mini display port to HDMI problem

1072828 Views 953 Replies Latest reply: Apr 23, 2014 10:10 AM by newjerseyave RSS Branched to a new discussion.
  • locky124 Level 1 Level 1 (0 points)
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    Jan 22, 2013 9:36 PM (in response to elly389)

    yeah its such a waste of time trying to fix it. Apple should really get of there highchair and fix a problem for once.

  • aarjee Level 1 Level 1 (0 points)
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    Jan 22, 2013 10:46 PM (in response to locky124)

    @Locky, elly, fambam

     

    As many people have opined here, there seems to be a problem in getting the adaptor to work for long. The only stable solution is to ditch the adaptor(however new and costly it is) and get a direct thuderbolt/mdp to hdmi cable. The solution has been working for me for the last 3 months.

     

    Adaptor - MDP male to HDMI female - Does not work or fails frquently

    Cable - MDP male to HDMI male - works well though not approved by HDMI

     

    From apple store @ $45

    http://store.apple.com/us/product/HA343ZM/A/belkin-mini-displayport-to-hdmi-cabl e-2-meter?fnode=51

     

    From Amazon @ $13

    http://www.amazon.com/Monoprice-15ft-32AWG-DisplayPort-Cable/dp/B003L18YG2

     

    From ebay @ $ 15

    http://www.ebay.com/itm/350478304838

  • locky124 Level 1 Level 1 (0 points)
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    Jan 22, 2013 10:49 PM (in response to aarjee)

    im starting to think that my adapter has just failed on me, its just that it cost so much and i had it for less then a week. Are you sure theres nothing i could try?

  • aarjee Level 1 Level 1 (0 points)
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    Jan 22, 2013 10:58 PM (in response to locky124)

    Dear Locky,

     

    I had to go through the same heart ache so i understand your sentiments. I had two adaptors fail on me and went through this entire charade of blame apple and having to read through post of dimwits who did not know how to connect cables or click mirror displays.

     

    But then i got the direct cable and it just worked. As someone mentioned in the last page it seems that adaptors somehow tend to burn out, and we have no idea why.

     

    On what else you could try, I have put in an ealier post on step by step instructions if your cable/adaptor fails. maybe you could try those steps before investing in the new cable

  • locky124 Level 1 Level 1 (0 points)
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    Jan 22, 2013 11:00 PM (in response to aarjee)

    ill check them out thanks, and yes i know reading peoples posts and there problems were they hadnt clicked mirror displays made me lose a few brain cells

  • locky124 Level 1 Level 1 (0 points)
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    Jan 22, 2013 11:02 PM (in response to aarjee)

    on what page are your steps?

  • aarjee Level 1 Level 1 (0 points)
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    Jan 22, 2013 11:03 PM (in response to locky124)

    last post on page 41

  • fambam Level 1 Level 1 (0 points)
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    Jan 23, 2013 3:16 PM (in response to aarjee)

    Thanks aarjee, I will try the cable instead!

  • amarider Level 1 Level 1 (0 points)
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    Jan 29, 2013 8:43 AM (in response to aarjee)

    Hi all

     

    Had the problem last year, new moshi fixed the problem. HOWEVER!

     

    Has anyone found that your iPhone causes the signal to die?! Its happened to me a few times now in the last 3 days. My cable to the external monitor runs accross my desk and invariably the phone gets placed on or near the cable. Instant monitor shutdown.

     

    try it!

  • vlmjr Calculating status...
    Currently Being Moderated
    Jan 29, 2013 9:37 AM (in response to locky124)

    I was having the same "no signal" problem with my MacBook Pro running Lion connecting by mini-displayport to HDMI on an Epson EX5200 projector with a cable from Cable Matters.  I switched the resolution for the projector output from 1080p to 1080i and problem solved!

  • MiaPars Calculating status...
    Currently Being Moderated
    Jan 31, 2013 11:33 AM (in response to Ponponhead)

    My problem got away when i brought a cable specifically made for mac. i've had it a while and its perfect.

  • creativebeing Calculating status...
    Currently Being Moderated
    Feb 1, 2013 9:23 AM (in response to aarjee)

    GENIUS!  You nailed it with #2

     

    aarjee wrote:

    1. Intel based macbooks have too GPUs. One a board based Intel GPU for light work and a third party GPU (like NVIDIA) for the most graphic intensive operations. The switching between this is automatic and should happen by itself when you connect an external monitor/tv. However it seems that this fails to happen in some cases. Gfx Card status is third party software than can be installed into macbook and lets you control the switching process. Some users seems to have success in connecting a external monitor when you set the macbook to use only the third party gpu but changing setting in gfx card status to discrete.

     

    How NUTS is it that Apple can't get it together enough to fix their own bugs that some random programmer has to make a manual fix to swap the gpus?

     

    I'm using an actual apple mini-displayport -> hdmi cable too.  It wasn't until I installed Gdx Card Status and flipped the switch a couple times that all the sudden it worked!  Cables were already plugged in, projector was on, just had to clip the GFX switch 3 times and BOOM video!

     

    Geniuses in apple store? gimme a break, the real geniuses are RIGHT HERE online.  Thanks so much for everyones contribution to that answer!

  • Scuderria Level 1 Level 1 (0 points)
    Currently Being Moderated
    Feb 1, 2013 1:44 PM (in response to Ponponhead)

    OK guys.... Well.... Samsung "Smart TV" is not as near as smart as it wants it to be.... That I can definitely confirn after  a month of usage...

    But, nevertheless, problem I had was solved with AppleTV unit (99,00 USD) and a small software unit called AirParrot (9,99 USD)...

    AirPlay works perfectly, and extend display via that small app works very good so far..

    So... No cables... of any kind... just switch to the next gen thinking mode...

    Good night...

  • Airbum88 Level 1 Level 1 (0 points)
    Currently Being Moderated
    Feb 2, 2013 5:27 PM (in response to Scuderria)

    Okay, so I started to have problems with my Mini Displayport/HDMI adapter today and I found this forum.  I tried everything aarjee suggested on page 41 but to no avail.  I think the only solution now is to buy a Mini Displayport/HDMI cable (even though I'm not entirely sure the source of the problem is caused by the cable).

     

    I was wondering what's the difference between buying a cheap cable and a more expensive one?

    Is there really that much of a difference in the build quality?

  • Vic-zx Level 1 Level 1 (5 points)
    Currently Being Moderated
    Feb 2, 2013 5:38 PM (in response to Airbum88)

    The NEET mini display to hdmi worked for me. I was having all the problems mentioned on this forum, tried every possible fix. The cable was a gamble but it paid off. Before that, i was having issues connecting with projectors, monitors, you name it. Strange thing is everything was fine with the moshi adapter until around june, then it stopped working properly. Got a NEET adapter and that too didnt work properly. Well as i said a last ditch attempt was the NEET cable and i have had absolutely no problems since i got it in november.

     

    Good luck.

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