Is my HP Pavilion DV2020ca compatible w/ W7?

Hi, I'm wondering if my laptop noted above is compatible with Windows 7? I know it's not listed on HP's website of compatible computers but the tech guys at a well known local computer store told me it's completely compatible and that all the drivers are available. I took there advice and did format my notebook and installed W7. However, my s-video to TV isn't working properly and when I'm watching movies on ITunes the sound keeps coming and going and it's really annoying.

Any help?
Thanks