Chosen Solution

I have a Late 2011 MBP that just boots to a blank white screen. I’ve tried the usual SMC and NVRAM reset, and the problem still persists. It also cannot boot into target disk mode, nor recovery mode. I don’t know if it’s the GPU or something else, I’m completely lost.

I found out the issue: The SSD. Somehow the SSD I had in it was causing the issue somehow