little question on gran turismo 4(NTSC version) !

[evolover]

hi,i'm new here,now i'm playing gt4(gran turismo 4) ntsc version,and would want to play 480p in the game,so i changed the brightness from three(default) to zero,and it looks great!!But in this way,my graph became darker,so what should i do to solve this problem!many thanks!

[Bositman]

No solution for that, sorry