Chosen Solution
Hello. I have recently replaced a MacBook track pad and keyboard. Now when I try to power on the device i get a white screen. Resetting SMC and NVRAM, Safe Mode and Verbose all display nothing. I damaged the keyboard back light port on the mother board when dissembling it, could that be causing the issue and is there anyway to fix this the keyboard back light isn’t needed to be fair. Thank you.
I think you did more than that ;-{ This looks like you’ve damaged the logic board. You’ll need to fine someone with deeper skills who can fix things for you.