Hey, I have a phat running 5.00m33-6 and it will not turn on with the battery plugged in anymore.
The CFW was installed pre-pandora, and I do not own one.
The problem started recently, within the last week or two.
I turn on the PSP w/ battery power, and the green power light is on, but the screen remains black with the backlight. No recovery mode accessible, or anything.
If I plug the AC adapter in and remove the battery, it boots up to the XMB. I can then place the battery back in and remove AC power, and it keeps running.
I cannot for the life of me figure out what's happening. I have not attempted to create a pandora, or mod my battery in any way.
EDIT: Oops, I seem to have inadvertently posted this in the wrong forum. Would a mod mind moving it to Help please?