No Audio - A/V Controls grayed out

Video tutorials on my new PaintShop Pro wouldn't play until I downloaded QuickTime Player. They play now but there is no audio. I tried the instructions on the QuickTime Player Help page: "1.choose Window > Show A/V controls 2.Drag a slider to adjust the setting"
I can't drag a slider because everything is grayed out.
My system audio is working fine. I tried restarting the computer. Any other suggestions?

What codec is the file you are trying it on? Are they greyed out for a Apple sample QT movie?
If you don't have Core Image then they don't work at all: http://docs.info.apple.com/article.html?artnum=301589

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Audio A/V controls grayed out - no audio

Hello,
I am on a PC running Windows XP. I have purchased Quicktime PRO and the MPEG plugin.
MY Question is: My Audio A/V controls are grayed out. When I go to Window->Show A/V Controls my Audio A/V controls are completely grayed out. No audio.
However, audio is fine on my PC running numerous applications?
Any ideas,
Gary Young

Thanks for responding, no there is no sound from the headphone jack either. It seems like the problem started with the last update installation. A couple of weeks before that I had changed out the memory for a 1g in the upper slot. Everything else working well and memory seems to be happy. Those are the only two things I can think of that have gone on with the system. Internal speakers show up as the choices in sys pref and it switches back and forth from internal to headphone promptly when you insert/remove plug. The tex instr sound card is showing up in the hardware description in about this mac. Most of this detail may be meaningless, but figured there might be a clue in there for someone more clued up than I am.
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Why is my itunes video controls grayed out on mac?

why is my itunes video controls grayed out on mac?
How do I fix this problem so I can watch purchased videos ?

In many cases, they are related, I have many users who have reported the repair of QuickTime fixed the issue.
See if these articles will help:
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http://support.apple.com/kb/TS1696
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Thanks for the suggestion but that has no effect on them being grayed out or not. When this problem occurs it does not matter if the Mask is highlighted OR the adjustment itself.
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Message was edited by: Ian R. Brown

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Hi,
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hi ,
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regards
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Jack,
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No Audio - A/V Controls grayed out

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