Tv hooked up through mini dp won't work with Mountain Lion

Using Lion we could hook up a tv through the HDMI connected through a Mini DP connection With Mountain Lion the system won't recognize the external display. Why? Can we fix this?

Try resetting the PRAM - Finder -> Help, then type "PRAM" and it will give you instructions
and if that does not work, try resetting the SMC
<https://secure.dslreports.com/speedtest?flash=1>

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    My Word, Excel, and powerpoint won't work with mountain lion.
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    You're looking for solutions, so I'll let you know what you need to do:
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    Learn how to install AirPort Utility 5.6 on Mountain Lion here:
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    @Brian:
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    https://discussions.apple.com/message/19083821#19083821
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    Same thing happened to me with Mountain Lion. It seems that at the moment there's no solution. I've tried to burn a DVD with Toast Titanium, iDVD and the SimplyBurn. All of them failed.
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  • TS3991 iCal won't synce with Mountain Lion & iPhone 4s

    I can't get iCal to sync with Mountain Lion & iPhone 4s via iCloud. Is there a simple way to make this work?

    Okay, did some comparing and it appears only ALL DAY events are displaying on the wrong day. Anything I have set with a specific time shows up on the correct day. Found a reference on the Internet that explains this.
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  • Magic Trackpad won't connect with Mountain Lion

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    I recently upgraded to Lion and found that all of my Power PC based applications wouldn't work (much to my surprise, as no one at Apple told me this when I inquired about the upgrade, nor is it listed in the App Store). Had to get a whole new Microsoft Word suite - after the fact.
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    Here's a compatibility guide by a 3rd party.  I can't attest to the accuracy.
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  • Redeem code won't work for mountain lion

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    Aside from having the minimum 10.6.8 installed, make sure your Mac meets the rest of the requirements for  OS X Mountain Lion
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    To install Mountain Lion, you need one of these Macs:
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    MacBook (Late 2008 Aluminum, or Early 2009 or newer)
    MacBook Pro (Mid/Late 2007 or newer)
    MacBook Air (Late 2008 or newer)
    Mac mini (Early 2009 or newer)
    Mac Pro (Early 2008 or newer)
    Xserve (Early 2009)
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  • Open Recent function won't work after Mountain Lion updates

    I recently did a fresh install of mountain lion (after using snow leopard for years). iWork, which came with my MacBook Pro worked great, until the update. Obviously I had to do a fresh install of iWork 09 from the CD I had. I then updated iWork through the software update. Now running pages 4.3 etc.
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    Thanks in advance for any assitance.

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  • WiFi won't work on Mountain Lion

    Hello,
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    Does anyone have any suggestions what to do?

    If you are attempting to use a WiFi connection between the iMac and the Time Capsule, I would suggest the following as a possibility.  If you haven't already, on your "iMac" open your Applications folder>click on "Utilities">click on "Airport Utility">there you should see an icon with your Time Capsule showing, and there should be a Green light icon. Then click on the icon for the Time Capsule, which will bring up a box with an "Edit" button.  Click on "Edit" and there you will find the Basestation,Wireless, Network, etc. buttons.  Click on each, one at a time.  You should check that each of those is completed properly.  Then, go back to the "Applications" folder>System Preferences>Network>here Unlock the "Padlock" icon in the lower left corner of the window by clicking on it and entering your Passwword>turn "On" the WiFi lisitng in the column of networks above there.  Hopefully this all will resolve your issues.

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