Open your Workbench partition and look in the Prefs drawer and then open screenmode and choose which display mode you want.You can also choose how many colurs to use.Then save. You can then go to the Overscan drawer edit ththe text size.On this screen you can adjust the handles to make the box fill the screen by clicking on the black sqares and moving them untill you have filled the screen.Then click on okay then in the window click on save.You should then close the Prefs drawer.Next go into the system drawer and click on fix fonts and after the harddrive lght stops flshing close the system drawer.Close the Workbench partition and your done