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I want to plug my HP TouchSmart tx2 TabletPC on my TV monitor. It's suppose to support a 1366x768 resolution, but Win7/ATI drivers won't allow me to go higher than 1024x768, even though it's capable of 1680x1050 on other monitors.

How can I tell the video drivers to try 1366x768 (60Hz)?

Update: I have Windows 7 with an ATI Radeon HD 3200, with the latest "beta" drivers. I suspect it's rather the TV that is not recognized as "1366x768 capable". Is there a way to force Windows into thinking it is capable?

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which video card are you using? – codingbear Jul 16 '09 at 20:31
Have you downloaded all updates for your video-card? – Jonathan Sampson Jul 16 '09 at 20:32
What Operating System are you running? – Brad Gilbert Jul 16 '09 at 20:39
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It's a bit complex (and it costs money), but PowerStrip might be able to force your graphics card in to that resolution.

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PowerStrip does exactly what I thought I needed. It allowed me to try resolutions like 1360x768 @ 60Hz (vert.). Unfortunately, I finally found information about my TV and its VGA input, and that's where the problem occurs. The maximum supported resolution is 1024x768. I'll mark this as a correct answer, and ask a different question about alternatives (i.e. S-Video or HDMI converters) – Martin Plante Jul 17 '09 at 4:12
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