PSP Green light but black screen and no sign

Yall, i need some kinda help, I charged my psp, i tried everything just to fix my psp and nothing. I dont think its bricked but can yall help me? Its been almost 2 years since its broken. Im trying to fix it and nothing. Please somebody, help me.

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i tried removing battery and the memory card and i put it on the charger and turned it on it was still a black screen but before turning it on u should press home plus l shoulder it should work then put ur memory card and wait around 10 to 5mins and put the battery back.hope it helped

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