A1278 row Z of keyboard not working plus left command

the built in keyboard does not seem to be responsive for zxcvbnm (off the top of my head… not on it right now).

however when I connect an external keyboard via usb, it works fine.

is this a logic board problem? (Liquid damage?) or is this simply a keyboard issue?

i did notice when I was on finder and clicking on folders, each folder I clicked on remained highlighted…. Don’t know if that’s significant. Don’t know if the left command is causing issues.

I inspected the site of the keyboard connector on the logic board. Seems fine. There was a spill and I see one or 2 spots of blue here and there on the logic board (nowhere near the keyboard connector though).

the mousepad also seems unresponsive on the middle bit of the pad as well.