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Mini Displayport to Dual-Link DVI not working?

70033 Views 145 Replies Latest reply: Apr 30, 2010 6:26 AM by oliau RSS
  • direwolf8 Level 4 Level 4 (1,280 points)
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    Nov 6, 2009 2:57 PM (in response to crackapple)
    I bought this crap on ebay. Had the old firmware. Tried calling apple but nobody wants to help and >the guy who sold it on ebay will not return it...Apple should just take it back with no questions asked >and hand out a new one,


    How is Apple different from any other manufacturer in this respect? If you bought a defective Zune on Ebay would you expect Microsoft to replace it with a new one? Sometimes saving money involves risk.
    G5, Mac OS X (10.5)
  • albo Calculating status...
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    Nov 6, 2009 6:33 PM (in response to direwolf8)
    I bought mine full price from Apple, so I guess I'd like it work correctly. I think they probably want the same.
    MacBook Pro, Mac OS X (10.6.1)
  • Jordan L (Canada) Calculating status...
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    Nov 9, 2009 10:05 AM (in response to Acmee)
    I can't believe that in 2009 Apple can't make this work. I ran this display from a 12" 867MHz Powerbook WITHOUT ISSUE and a brand new 2.8Ghz MacBook Pro can't handle it?

    This is insane. Why move to a new display connector if it is so much crappier than the old one?
    MacBook Pro 15" 2.8, Mac OS X (10.6.1), 30" ACD
  • albo Level 1 Level 1 (45 points)
    Currently Being Moderated
    Nov 11, 2009 6:55 PM (in response to Acmee)
    Another video example of the flashing issue here: http://vimeo.com/7563175

    Again, this only happens when waking the machine from sleep.
    MacBook Pro, Mac OS X (10.6.1)
  • johnmartirano Calculating status...
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    Nov 14, 2009 6:37 PM (in response to Acmee)
    Wow - had i realized I would not have bought this new MBP but would ahve purchased a used 2006 model which works quite well. I'll describe my problem below which is more general than the one described in many of these threads.

    I'm having a possibly related problem. When I have my brand new macbook pro 15" plugged in with the mini displayport to dvi OR hdmi OR MDP->dvi->hdmi - I get intermittent problems as follows. After the computer goes to sleep and wakes up there are a variety of problems. Sometimes it recovers, sometimes it freezes and wont wake even after disconnecting the external monitor. Sometimes it cycles through black, blue and dithered looking screen in what looks like an attempt to match the display but it will do this endlessly. I may have finally gotten some success by using a mini displayport to rgb. But what is the point of having all this fancy and expensive hardware if we are back in analog RGB land?

    Another possibly related problem - when I have an external monitor plugged in AND the audio jack plugged into my stereo - I get terrible noise on the audio line which ruins any movie watching experience. So basically this brand new MBP is useless for watching movies on my home entertainment system. Which is a real drag.

    Ive been reading about problems similar to the 1st one but have yet to hear of the second one. Ive been trying every combination of adaptor and plug and power setting i can think of to troubleshoot this problem. I even have a 2 year old MBP with the older full dvi slot and it has none of these symptoms using the same external hardware and adaptors (excepting the mini displayport adaptor which obviously would not work with my older MBP)

    Apple needs to step up to the plate and find a solution because external monitors are a must for many mac users. I have a full Apple Care plan along with my laptop all purchased only a month ago so im hoping that working with my local apple store will resolve these issues.
    macbook pro 15", Mac OS X (10.5.8), i have more than one computer
  • David Clark 2 Level 1 Level 1 (35 points)
    Currently Being Moderated
    Nov 16, 2009 10:24 PM (in response to Acmee)
    I'm having great success so far, as long as I connect the converter to a USB hub and not to the Mac itself. When it's powered by the Mac, I get flickering after sleep. But there are no issues when the adapter is powered by the hub. I've only been using it a day though.

    Using a 30" HP LP3065, the Mini Displayport to Dual-Link DVI adapter (firmware 1.02) works fine with both my Mac mini and my MBP 13". I hope it stays that way.
    Mac mini early 2009, Mac OS X (10.6)
  • GBH Level 1 Level 1 (65 points)
    Currently Being Moderated
    Nov 17, 2009 6:21 PM (in response to David Clark 2)
    David, what specific model of USB hub are you using so I can buy one?
    Mac OS X (10.5.7)
  • albo Level 1 Level 1 (45 points)
    Currently Being Moderated
    Nov 19, 2009 3:17 PM (in response to David Clark 2)
    I bought a powered USB hub a few days ago and everything seemed fine. Got this same problem waking from sleep just now however - http://vimeo.com/7563175
    MacBook Pro, Mac OS X (10.6.2)
  • Scriv Calculating status...
    Currently Being Moderated
    Jan 25, 2010 4:24 PM (in response to Acmee)
    Can I just say that I had this exact problem with my Dell 3007 WFP display and 1.01 adapter, but after lengthy talks with an Apple engineer I managed to get my adapter replaced with one having firmware 1.02. This totally fixed the problem.

    Message was edited by: Scriv
    Mac OS X (10.6.2)
  • tsumuji Calculating status...
    Currently Being Moderated
    Feb 19, 2010 3:12 PM (in response to Scriv)
    I and many others have the 1.02 firmware. The case of the vertical stripes continues..though less..only about 5 times a day. The problem is not fixed. Apple does not address the issue. The best result is to sell the MBP with the ignored graphics problem hardware and just move on. I take a loss.Apple keeps the profit and hides it's head in the sand again. Over a year waiting for a solution is just not acceptable!
    Macbook pro 2.53, Mac OS X (10.6), Dell 30' monitor, 20' apple display, several macs, Iphone 3g, a few ipods
  • oliau Calculating status...
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    Apr 30, 2010 6:26 AM (in response to Acmee)
    I can't believe I am posting in a thread that was started at the end of 2008 to complain about a problem others have reported with the same piece of hardware...

    I recently got a replacement MBP courtesy of Apple since my 32 month old MBP had 4 major hardware failures. The old one had a proper Dual Link DVI port which worked 100% perfectly with my 30" Dell 3007WFP monitor.

    Now I am using the Mini Display Port adapter with the same monitor and the connection is VERY unstable. If I just apply a small amount of pressure to the port on the laptop it will drop the connection. If I connect the USB port to a powered USB hub it is slightly better, but still not good enough.

    This has made the FW800 port and the other USB port very inconvenient to use as each time I try to plug a different device into either of those ports I will lose the external display, which then moves all my windows to the 15" laptop display. After that when I replug the 30" in I have to reposition all my applications on the screen.

    Very frustrating! Does anyone have any suggestions or should I be (even bother?) contacting Apple about this?
    2.4Ghz/i5 MBP, 4GB RAM, 320GB HDD, Mac OS X (10.6.3)
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