Report - Show also assets without relation -used by-

[pskup]

Hello Community,

I have a report that should list computers and monitors. But only if they are in one of two different asset groups. The report should also show the "used by" relation. This is only setup for computers, not for monitors. So the report below only lists computers of which "used by" is defindet. How should I alter the selection so the monitors are also shown?

Select Top 1000000 tblAssets.AssetID,
  tblAssets.AssetName,
  tsysAssetTypes.AssetTypeIcon10 As icon,
  tblAssetGroups.AssetGroup,
  tblAssetUserRelations.Username,
  tblAssets.Domain
From tblAssets
  Inner Join tblAssetCustom On tblAssets.AssetID = tblAssetCustom.AssetID
  Inner Join tsysAssetTypes On tsysAssetTypes.AssetType = tblAssets.Assettype
  Inner Join tblAssetGroupLink On tblAssets.AssetID = tblAssetGroupLink.AssetID
  Inner Join tblAssetGroups On tblAssetGroups.AssetGroupID =
    tblAssetGroupLink.AssetGroupID
  Inner Join tblAssetUserRelations On
    tblAssets.AssetID = tblAssetUserRelations.AssetID
Where (tblAssetGroups.AssetGroup = 'Group1' And tblAssetCustom.State = 1) Or
  (tblAssetGroups.AssetGroup = 'Group2')

Thanks for your help.