Forum .LRN Q&A: Survey Portlet problem - after minimizing

Platform: RH8, PostgresQL 7.2.3, .LRN 1.0 (Final) Tarball, AOLServer 3.30acs1

After minimizing the Survey Portlet in Student / Professor Personal Home page, it just disappear although it is still available in customize my portal page. Fail to find a way to place it back on the Personal Home page.