At time database got suspect after unexpected shut-down, you may recover it by running below command on master database
DECLARE @dbname varchar (255)
SELECT @dbname='YOURDBNAME'
EXEC sp_resetstatus @dbname
DBCC DBRECOVER (@dbname)
DECLARE @dbname varchar (255)
SELECT @dbname='YOURDBNAME'
EXEC sp_resetstatus @dbname
DBCC DBRECOVER (@dbname)