Eric_Phillips1
Level 1 (44 points)
Desktops

Q: Monitor problems

I have a mid 2010 MacPro running what ever the Maverick update pushed out last week. I switched out my Vizio 370MV TV connected as a second monitor with a Vizio M43C1. I had no problems with the old TV. When the new TV is turned on or off the main monitor goes black for a couple seconds then comes back. I cna live with that. The main problem is when the TV is on the main monitor has a flashing image mostly when the mouse is clicked or a keyboard input. This flash looks to be part of the desktop image. I have tried different HDMI ports on the TV with no change. The image on the TV is fine. Any thoughts on why I get a bad image on the main monitor when the TV is on?

Mac Pro, Mac OS X (10.6.8)

Posted on May 19, 2016 9:57 AM

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Eric_Phillips1

Q: Monitor problems

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  • by Grant Bennet-Alder,

    Grant Bennet-Alder Grant Bennet-Alder May 19, 2016 12:32 PM in response to Eric_Phillips1
    Level 9 (61,073 points)
    Desktops
    May 19, 2016 12:32 PM in response to Eric_Phillips1

    When the new TV is turned on or off the main monitor goes black for a couple seconds then comes back.

    That is a feature intended to tell you that a new display is being started up.

     

    what interfaces and what adapters from what graphics card on the Mac Pro silver tower?

  • by Eric_Phillips1,

    Eric_Phillips1 Eric_Phillips1 May 20, 2016 5:06 AM in response to Grant Bennet-Alder
    Level 1 (44 points)
    Desktops
    May 20, 2016 5:06 AM in response to Grant Bennet-Alder

    It was the bottom of the line MacPro so I am assuming it is the Radeon HD5770 graphics card. I can check tonight when I get home. I have a DVI to HDMI adapter to an HDMI cord. It has been along time since I purchased the adapter but I think it came from Monoprice. The only thing that I changed was the TV none of the cabling. I will admit the HDMI cable exceeds the HDMI spec but I did not have any problems with it on the old TV.