So you just started up the game began playing and then there was only a black screen or your stuck in full or border-less and can't change it sucks right. Here what you need to do.
These are some fixes that could work but I can only confirm the first fix please keep that in mind.
The Fix #1
You can try:
- Then %appdata% on SEGA folder.
- Delete P5S folder.
- Then you can restart the game.
Worked for me. Tho I'm not sure if it will delete a saved game. I dont have a saved game yet when I did that. Just the option changed to border-less window. Sadly you will have run this game windowed.
The Fix #2
I managed to fix it by opening config.xml, andq then changing <DisplaySetting>1</DisplaySetting> to <DisplaySetting>3</DisplaySetting>. save and quit, and then it will put you in windowed. It does not get rid of save data.