Why does my psp turn on and off By itself?

My psp has cfw and i put cfw on my friends psp as well and his doesn't have this problem. when my psp is on, it needs my specific memory card. not my friends or anybody elses. if the memory card is not in the psp when i turn it on there is just a black...

my psp wont turn on, my freind has a psp dat works, i tried putting my battery in his psp and it worked, but wen i try it on mine it doesnt even want to charge, WHY?

when i turn on my psp it doesn't work, even when i charge it. i see a orange light when it is being charged, but it doesn't turn on. please help me! who ever anwsers and works will get 10 points.

when i plugged my psp in the computer i saw these weird files, so i deleted them. I took my psp out and then it said 'An error has occurred' :'( i am pretty sure it is ...show more

Okay so, I got my PSP on Christmas '08 My cousin let me borrow his game Monster Hunter, I couldn't play it on my psp cuz it had low battery and it said it need updating to ...show more

I tried Charging my PSP and a light is on, lit orange, meaning that it is charging. And then after it charged after a while I tried turning it back on. For some weird reason it just won't turn back on. I don't really remember doing anything wrong with...

I droped my psp while updating and the battery flew out. I turn it on now amd the green light comes on for about half a mintue and then it gos off while the screen stays off.

My psp turns on for 5 secs then cuts off. Its not the battery because I have tried several different ones. It wont even go to the XMB any more. The green light flashes on, then cuts off 5 secs later.