[support] Can not see the user name and logout link when authenticated user log in

Hi I am new to drupal. We installed Drupal 6. I created a authenticated user, when it login, I can not see user name and logout link. If I login as a admin user, I can see the user name and logout link. I use Firefox web brower Anybody can help? Thanks Jennie --------------------------------- Never miss a thing. Make Yahoo your homepage.