Try this query
SELECT dbo.Inv_AeX_AC_Identification.[Name][Host Name]
, dbo.Inv_AeX_AC_Identification.[OS Name]
, dbo.Inv_AeX_AC_Identification.[System Type]
, dbo.Inv_AeX_AC_Identification.[Last Logon User]
, dbo.Inv_AeX_AC_TCPIP.[MAC Address]
, dbo.Inv_AeX_AC_TCPIP.[IP Address]
, dbo.Inv_SW_BIOS_Element.[Version][BIOS Version]
, dbo.vHWComputerSystem.[Model]
, dbo.vHWComputerSystem.[Manufacturer]
FROM
dbo.Inv_AeX_AC_Identification,
dbo.Inv_AeX_AC_TCPIP,
dbo.Inv_SW_BIOS_Element,
dbo.vHWComputerSystem
WHERE
dbo.Inv_AeX_AC_Identification._ResourceGuid=dbo.Inv_AeX_AC_TCPIP._ResourceGuid
AND dbo.Inv_AeX_AC_Identification._ResourceGuid=dbo.Inv_SW_BIOS_Element._ResourceGuid
AND dbo.Inv_AeX_AC_Identification._ResourceGuid=dbo.vHWComputerSystem._ResourceGuid