Should only use native. Other resolution options don't work yet. It could be an issue with your graphics card. Have you tried to update your drivers?
Also, did you try the cube test?
If neither of these work I'm afraid your notebook might simply be too old/weak for JPCSP.
Also, did you try the cube test?
If neither of these work I'm afraid your notebook might simply be too old/weak for JPCSP.