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HDMI display problems

I'm trying to set up a TV as a second monitor via HDMI, but I'm having some issues.

1. Whenever I set the TV refresh rate to 60Hz, after an extended period of time, it will revert back to its default 30Hz, interlaced.

2. The picture quality is a lot worse than my main monitor (VGA) with everything having a grainy look.

Any help will be greatly appreciated.
5 answers Last reply Best Answer
More about hdmi display problems
  1. Have you tried a different HDMI input port?
  2. clutchc said:
    Have you tried a different HDMI input port?

    There's only one HDMI port on both the monitor and GPU.
  3. try setting your hdmi to the tv to 1080p 25hz and see if it makes a difference, it could be that your tv panel does not support 1080p at 60hz
  4. mauller07 said:
    try setting your hdmi to the tv to 1080p 25hz and see if it makes a difference, it could be that your tv panel does not support 1080p at 60hz

    I think my TV does support 1080p60, but the problem is that it changes back to 30 after an extended period of time (usually after I turn my PC off).
  5. Best answer
    After you turn off the PC? Sounds like it is doing what it is suppose to if its default is 30Hz.
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