If you're not running the latest driver, then update.

Also, make sure you're running in full screen mode instead of borderless window.

Also, overlay applications can cause these crashes, as they tap into the memory buffer. Programs such as MSI Afterburner, FRAPS, recording software, ect need to not just be minimized but disabled.

Some suggest reducing LoD settings, and running in DX9 seems to stop the crashes.