Keyboard Shortcuts: Reset All Your Shortcuts
Menu: Tools -> Options -> Environment -> Keyboard
If you ever mess up your keyboard shortcuts and just want to reset all the shortcuts back to their default settings you can use the nuclear option by using the Reset button in Tools -> Options -> Environment -> Keyboard:
When you click this button you will get this warning:
Take this warning seriously! It will reset ALL keyboard mappings to their default values so this should only be used when things are really messed up with your shortcuts.
When you click the Yes button here is what will happen: