The following syntax is limiting the report to show servers only.
tblComputersystem.Domainrole > 1
To show all user computers and servers, simply remove that from your code.
The fixed report looks like this
(line 23 was changed):
Select Top 1000000 tsysOS.Image As icon,
tblAssets.AssetID,
tblAssets.AssetName,
tblAssets.Domain,
tblAssets.Username,
tblAssets.Userdomain,
tblAssets.IPAddress As LastScannedIP,
tsysIPLocations.IPLocation As CurrentIPLocation,
tblAssets.Firstseen,
tblAssets.Lastseen,
tblAssets.Lasttried,
tblNetwork.Description As Adapter,
tblNetwork.IPAddress,
tblNetwork.IPSubnet,
tblNetwork.DNSServerSearchOrder
From tblAssets
Inner Join tblAssetCustom On tblAssets.AssetID = tblAssetCustom.AssetID
Inner Join tblComputersystem On tblAssets.AssetID = tblComputersystem.AssetID
Inner Join tsysOS On tsysOS.OScode = tblAssets.OScode
Left Join tsysIPLocations On tsysIPLocations.StartIP <= tblAssets.IPNumeric
And tsysIPLocations.EndIP >= tblAssets.IPNumeric
Inner Join tblNetwork On tblAssets.AssetID = tblNetwork.AssetID
Where tblAssetCustom.State = 1 And tblNetwork.IPEnabled = 1
Order By tblAssets.Domain,
tblAssets.AssetName,
Adapter