What is the state of the database? (state_desc in sys.databases)
What happened to cause this?
What errors are there in the error log?
Do you have backups?
Do not detach the DB. Do not restart SQL.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability