Your best bet is to get a replacement battery. But first, check and see if it's the charger. Sometimes chargers do go out. So before any money is spent, borrow/find a different charger to see if that works.
well what i do is i take the battery out and charge it then it will turn it on and now put the battery back on
chek if the white tape thing is connected
get a new one
Go to the repair shop that it can fix your psp. If you don't see one find someplace else
I'm not sure they can fix our psp
Bring your PSP to a game store (like Gamestop) and ask them to fix it.
www.llamma.com/PSP/PSP%20Repair%20Information.htmtry that, I've used it and its brilliant
delete the data and puted in your psp
it means turning it on
because it makes the sound on your psp louder insted of turning your psp to the highest volume
by turning it on with the power button.
no answer for you hahaha
Charge it...
Go to a game store and ask them to fix it.
buy a new one