[Help] Stuck white screen when boot a game?

[aldighieri]

Hello, im new here and im having a problem with my PSP.

When i boot a game my PSP stuck on the white screen with PSP logo, but if i press hard the case the MS start read again and boot normaly.

The place where i press is between the screen and the right dpad.

So i ask for help to know where is the problem, is some IC or some fuse/resistor?

Thanks for help, and sorry for my poor english.

[Ninja_EX]

Hello sir, but i would just like to inform you that it is the Main ic or ram IC i believe i have the same problem except i can only get it to work when hitting it in the palm of my hand.