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Windows 7: No 1366x768 resolution for my TV?

25 Aug 2010   #11

Windows 7 Professional 32-bit Service Pack 1

okay. I guess there's nothing I can do. *disappointed* But thanks for your replies.

My System SpecsSystem Spec

25 Aug 2010   #12

Windows 8.1 x64

Unfortunately, no. It sounds like the expected is happening over HDMI, and it's choosing a 720p resolution (1280x720 == 720p). You'll be stuck with VGA output (which doesn't have the EDID limitations), or using 720p.
My System SpecsSystem Spec
25 Aug 2010   #13

Windows 7 x64 Home Premium

Quote   Quote: Originally Posted by cluberti View Post
Unfortunately, no. You'll be stuck with VGA output.
I made my decision whether to go with digital HDMI or uncompressed analog VGA by comparing the picture they each delivered using an Apple Cinema 30 with DVI as a reference. After comparing how horribly overscanned the HDMI 720p looked and how distorted the digitally compensated 768p looked on my 32" 1366x768 Bravia I was quite pleased with how similar the 1366x768 uncompressed analog VGA was compared to the picture DVI delivered to the Apple Cinema 30.

That said I really don't feel 'stuck' with VGA because any signal analog or digital that can deliver a picture to my Bravia that looks virtually identical to the quality of the Apple Cinema 30 is quite easy for me to live with.

My System SpecsSystem Spec

06 May 2013   #14

Windows 7 HP
Found solution for Radeon series cards

Dealing with this 720p issue is kind of a nightmare. The fix that uses regedit and has you alter the Display1_DownscalingSuppored only works on Intel series GPUs. Don't bother wasting your till because you'll just get yourself mad trying to figure it out. I've got a Vizio TV and the it specifically states on their website that it supports native 1366x768 resolution. So then why doesn't it show up in the Display Resolution settings??? Its because of the GPU Scaling feature. This feature overrides the monitor's accepted resolution settings for Windows. To disable this, open up Catalyst (right click on desktop background and its the top icon. Its been renamed on APU systems to AMD VISION) and navigate to "My Digital Flat-Panels, then Properties(Digital Flat-Panel), You'll see a checkbox in the Image Scaling box; uncheck that and apply the settings. Now you should be able to change your display settings to 1280x768.... 1366x768 still isn't showing up but you can use apps that require 768p now. There is one caveat, GPU Scaling helps get rid of over-scanning, so you'll notice that there is some black around the corner of the screen. This is where your TV is under control of the situation. I had to set my TV to Wide Screen mode... you have to look in your TV manual or poke around the menus to find the settings. You might not even have to deal with it. Anyways, hope this helps.
My System SpecsSystem Spec

 No 1366x768 resolution for my TV?

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