Chosen Solution
Hi, I’m have problem with my Early 2013 MacBook Pro it has no backlight. Tried with knowing good display, no image at all on external display. Backlight Fuse working fine, but there is small IC chip shows small burning
Q3880 - SI8409DB - P-Channel 30 V (D-S) MOSFET I think you need to dig deeper here as this likely was damaged by something else going bad on your logic board. I would get the schematics and board view drawings so you can properly diagnose the problem.
