Hi there all ,sry if this issue was already discussed here but i am facing a problem.recently my mbp had some water damage and i managed to find one for spares but with only the display at faul ,i swapped the displays and put in my old hdd ,it starts and everything works but i just whant to install a fresh os on it ,but i can’t do so no key combination works when i start it and when i installed a boot loader to be abel to acces the bootable usb i get this screen when i hit the usb ,does anybody has any ideea on what i can do ?