I hate to say this, but I'm officially giving up on my T420. It is falling apart and has some issues, I probably could've continued using it, but I made it even
Lenovo T430 No Power due to defective Keyboard - YouTube
Lenovo ThinkPad T430 to Boot GNU/Linux in Legacy and UEFI Modes
Lenovo ThinkPad T430 to Boot GNU/Linux in Legacy and UEFI Modes
Lenovo Thinkpad T430 Disassembly (Clean Fan and Remove Screen) | MyFixGuide.com