left click does not work

[严海东 <handlerofmaster@gmail.com>]

Hi to all:
      I run debian6/gnome in my PC, and after installing some
softwares,such as scim,chrome,
      the left click of touchpad dose not work.
      It does not work by using a mouse either.
      And the right mouse button works fine and the mouse tracks fine
      Any help in this problem?