@Mircea86 have you gone into your switchable graphics options ans specified for SWTOR to use the AMD high performance GPU? If you don't do this it will default to the standard low performance internal GPU and may not render at the resolution or graphics level that you wish creating the problem that you describe.
On my gaming laptop with the dual GPUs in order to specify the high performance GPU right click on the desktop, then select "configure switchable graphics", then either choose SWTOR or add SWTOR to the program listing and then choose then under the "Graphics Settings" pull down menu choose "High Performance". Also make sure that you go to your power settings, then choose High Performance and do not use balanced or power saving.
Have you tried editing the client_setting file to the below
Hello,
So... i setup up manually SWTOR to start with the AMD high performance GPU but nothing changed, even if i switched from "Balance" Power Plan to "High Performance" Power Plan.
Then i go to second post and i change
You can manually add the fullscreen line to the client_settings file
It may be worth looking at the swtor folder in the appdata location where the client_settings file is , try right mouse clicking on that folder and untick read only on the folder properties to ensure the game has access to write
