F12 no longer works in Visual Studio

Question

This is driving me crazy. Ever since I installed ReSharper 4, F12 no longer seems to work. If you look at the all the ReSharper short cuts in the Goto sub menu Declar

Answer 1

For ReSharper 8 and Visual Studio 2012:

Tools > Options > Keyboard > Reset

Then going into the ReSharper options and applying the scheme:

Resharper > Options > Environment > Keyboard & Menus > (Select Visual Studio under Keyboard Shortcuts) > Apply Scheme > Save