In 7000 Windows an old Vista driver worked but I can't get media center to work with any of them in 7100.
I've got the TV guide etc. all set up, it just can't find the tuner and I know this usually happens when a driver is wrong or absent.
I'm also having the same problem with my ATI Theater 550. It just shows up as "ATI Unified AVStream Driver" and it used to work with Build 7000.
In troubleshoot compatibility mode, try installing it in "Vista Sp1" mode. The troubleshooter appears to default to XP SP2 mode unless manually overridden.
Finally, thank you! I think the problem was that previously I had picked only Vista (no SP) compatibility mode.
The latest Theater Pro drivers 9-4_vista32-64_t550-600-650_wdm work.
Miguel they should work OK for you too. Save it to a folder, then right-click/Properties and "Unblock". Then go to the Compatibility tab and click the "Change Settings For All Users" button and then set it to run in compatibility with Vista Service Pack 1. Apply and OK and then double-click and install.
550 still doesnt work. Install freezes every time when it tries to install the catalyst manager. Doesnt get to the Driver.
Did you try uninstalling the old one first then rebooting? Also it helps to "save as" to your desktop or a folder first.
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