Please run the following and post the full and complete, unedited output
DBCC CheckDB (<database name>) WITH NO_INFOMSGS, ALL_ERRORMSGS
Do you have a clean backup and an unbroken log chain from that clean backup?
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