Windows Vista forum

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Vista loads wddm ati driver without asking then opengl errs

by dbuske1 / October 19, 2008 1:56 AM PDT

Vista is always loading its wddm ati driver which is causing opengl games not to work. The error message I get is the opengl api cannot be found.
When I try to install the ATI drivers from I get a reduced function driver. Their is only one instance of the driver in device manager when their should be 2.

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Seems you would see this from day 1.
by R. Proffitt Forum moderator / October 19, 2008 1:58 AM PDT

Why isn't this a warranty issue with the machine's maker?

Also, maybe they have a free downgrade (?) to XP. Some games have not made the leap to XP yet.

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Try uninstalling the WDDM driver...
by Shun4rm323 / October 19, 2008 4:47 PM PDT

as well as anything else involving ATI. The OpenGL problem is because the WDDM driver does not have it and it has terrible software emulation of it as a result. After you uninstall from both Device Manager and Programs and Features, Right click the setup file and choose "Run as Administrator" with the shield next to it. Have you tried redownloading the driver because it may be corrupt. Also is this a mobile chip or a desktop chip you have?

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Thanks for reply
by dbuske1 / October 19, 2008 10:21 PM PDT

Thanks I will try that right now!

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Did not work
by dbuske1 / October 19, 2008 10:49 PM PDT
In reply to: Thanks for reply

I uninstalled the current driver than rebooted. Vista once again just loaded the WDDM driver without asking. I installed the ATI drivers and again got the 1 instance in the device manager. This driver does not support opengl, eventhough it says it is an ATI driver.

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I give up
by dbuske1 / October 20, 2008 12:06 AM PDT
In reply to: Did not work

I tried disabling and uninstalling the program Vista uses to automatically install hardware. It shows up on the desktop as a computer box with a green globe circling the box.
It did no good. It reinstalled itself!!!
I give up. I am going to return Vista to Microsoft.

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I forgot to add
by Shun4rm323 / October 20, 2008 3:21 AM PDT
In reply to: Did not work

Even though it asks to reboot, do it later. After uninstalling the WDDM driver, do not reboot but do go ahead and install ATI's driver anyway. Then once it reports success, reboot and do tell what happens. Sorry this is happening but on a separate note, is this a fresh installed copy of Vista or is this an upgrade over XP?

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