If your like me you hate using the built in report module. I wrote this simple query for you run it against your SQL CMDB and it will return Name - OS - Manufacuter - Model - Serial
Select
vc.[Name] AS Computer_Name,
vc.[OS Name] as Operating_System,
s.[Manufacturer] [System Manufacturer],
s.[Model] [Computer Model],
s.[Identifying Number] [Serial Number]
FROM
vComputer vc
JOIN dbo.vHWComputerSystem s
ON s.[_ResourceGuid]=vc.Guid
ORDER BY
vc.[Name]