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My Firefox 19 about:support shows me:

Adapter description: ATI Mobility Radeon HD 3670.

Adapter drivers: aticfx64 aticfx64 aticfx32 aticfx32 atiumd64 atidxx64 atiumdag atidxx32 atiumdva atiumd6a atitmm64

Direct2D enabled: blocked for your graphics card. try to upgrade to version > 12.8 or newer.

GPU-accelerated windows: blocked for your graphicscard. try to upgrade to version > 12.8 or newer.

WebGL-renderer: blocked for your graphicscard. try to upgrade to version > 12.8 or newer.

My platform is a dell xps16 (old) with Windows 8 x64.

I have installed the latest (legacy) driver for the ATi Mobility Radeon HD 3670 from the ATi website. But my device management in Windows tells me that I have this 8.970.100.3000 version from AMD.

In the about:config is gfx.blacklist.direct2d set to 3. (not by me! )

When I remove all ATI stuff, it uses ATI Mobility Radeon HD 3670 (Microsoft Corporation - WDDM v1.1) which is also fine, because it feels faster with the metro interface. But I also have the disabled direct2d and webgl in firefox.

when I open setup.exe from fresh downloaded AMD_Catalyst_12.6_Legacy_Win8 I get this screen which will install version 8.970.100.3000 and the utility from the ati website also redirects me to the same download from the ati website as the manual selection does. sorry for the dutch screenshot.

ati install screen

Ps. Already rebooted the pc after the driver installation. And webgl is also not working with chrome 24.

share|improve this question
    
The latest legacy drives are 12.6 - if you can't install the drivers then WebGL can't be enabled –  Sathya Jan 11 '13 at 10:23
    
I can install the driver, but it showed 8.970.100.3000 in windows device management –  JP Hellemons Jan 11 '13 at 10:29
    
the installer skips driver install silently if the card isn't supported. –  Sathya Jan 11 '13 at 10:31
    
it does not skip it, just installs an 8.9x version?? –  JP Hellemons Jan 11 '13 at 10:38
    
AMD/ATi's Radeon versioning is confusing. 12.x are the version numbers of the Catalyst suite. The drivers are 8.xxxx. You need to check what version of drivers 12.6 & 12.8 provides, and check it against what you have –  Sathya Jan 11 '13 at 10:49

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