Blank Screen On My Gameboy Nintendo Game Boy Advance Sp

Chosen Solution

So i dropped my gba one day and when i open it the screen just goes full blank,But i can hear the game sounds anyway..Any help how i could get rid of the white screen?

Duplicate of Games play right, blank white screen. Help? Check the ribbon cable shown here. There’s a good chance it got disconnected or torn. Nintendo Game Boy Advance SP Motherboard Replacement

How do you do this??