I use: Visual Studio 2010 Ultimate, Resharer 6.
In ReSharper\'s options i choose Visual Studio keyboard sheme and click Apply Sheme:
Taken from the documentation on Configuring Keyboard Shortcuts:
To switch between two available keyboard schemes or restore the default state of your currently selected scheme
Also, here's some documentation on how to resolve keyboard shortcut conflicts with Resharper
In VS go to Tools -> Options -> Environment -> Keyboard -> Apply the following keyboard mapping schema: [Default]
Doing "Reset All Settings" in VS Import&Export usually helps with restoring shortcuts. But it will, eh, reset all VS settings.