“Display driver stopped responding and has recovered” error.

That reference does define the problem, however what "simple registry setting" is required to fix it?  In my case W7 x 32) I have none of the "tdr" keys referenced in my registry.  The closest thing I have in HKLM\System\CurrentControlSet\Control\GraphicsDrivers is a setting called DCI which has a timeout value of 7.

I believe you need to add those keys yourself. Microsoft stresses that they are used for debugging purposes only. I'm not certain whether you need to create a key called "TdrLevel" and within that key create the reg_dword "TdrDelay", or if the "TdrDelay" goes into the GraphicsDrivers key. I just added both, and set it to 6 (probably decimal, but they don't specify it), so it's on a 6 second timeout instead of 2.

Whether this still works in Windows 7, I don't know. But the TDR technology is certainly still in Windows 7, so it very likely still works.

Here is another link where people talk about the TDR setting: http://forums.amd.com/devforum/messageview.cfm?catid=328&threadid=100142

That reference does define the problem, however what "simple registry setting" is required to fix it?  In my case W7 x 32) I have none of the "tdr" keys referenced in my registry.  The closest thing I have in HKLM\System\CurrentControlSet\Control\GraphicsDrivers is a setting called DCI which has a timeout value of 7.

It's a Microsoft "feature" called Timeout Detection and Recovery   or TDR. It's a WDDM function that resets the driver if it thinks the framerate has slowed down so much that it's crashing.

A simple registry setting might solve this problem:

http://www.microsoft.com/whdc/device/display/wddm_timeout.mspx

Hi

I had the same issue until few days ago. Downloaded Microsoft Fix It tool and ran it.

http://fixitcenter.support.microsoft.com/Portal/GetStarted

http://download.microsoft.com/download/D/7/E/D7E37511-A7CA-4C8B-B61B-1C90895D9823/FixitCenter_Run.exe

It deleted & repaired some FF or something video codecs.

The problem disappeared.