ISO/GAME/SAVEDATA = whoosh

wel peeps i got kinda irritating problem :mad:
now i got kind of some expirience with a psp
i downgraded about 10 , helped palls out with not workin' stuff, but this is ::mad:
I was playing patapon, put psp in standby, i came back and then: i want to start my psp but it doesnt resume/boot
it only boots by charger.
when i connect charger the green light goes orange for 10s back to green and battery at 0 %
AND
My maps within PSP are deleted(saves to :mad:)
thoug there are 5 ISOs,says 0 games.
help please
Ty