I just installed Zorin 17.3 on my Dell Latitude 5490. Everything is going ok, except that the intel GPU that It seems not to be recognized due to I tried to start a game a shows an error (see screenshot), that says that the notebook has 0mb of video.
According to Steam, this is a known issue with the Definitive Edition.
It struggles to register integrated Intel Graphics.
This affects Windows OS users, as well.
When You use an integrated Graphics: How much RAM do You give it in the BIOS? You could take a Look at this. And when it stands on an automatic Mode or similar, You could try it to switch on a manually-kind of Mode and give them RAM manually.