Use master
go
sp_configure 'allow updates', 1
go
---Execute---
reconfigure with override
---Execute---
select status from sysdatabases where name = 'DataBaseName'
---Execute---
EXEC sp_resetstatus 'DataBaseName';
ALTER DATABASE DataBaseName SET EMERGENCY
---Execute---
alter database DataBaseName set EMERGENCY, SINGLE_USER
---Execute---
dbcc checkdb ('DataBaseName', REPAIR_ALLOW_DATA_LOSS)
---Execute---
alter database DataBaseName set ONLINE, MULTI_USER
---Execute---
Use master
go
sp_configure 'allow updates', 0
go
---Execute---
reconfigure with override
P. S. If in the end "dbcc checkdb" to swear on something that can't create log file then create the folder that it asks for and repeat the operation with this item again (if the base stood in other place earlier).
It is possible to found additional councils and recommendations on this resource