>>888525Well, it sounds and looks like the column with those keys in the key matrix is connected to other columns and is not only getting too much current (brighter leds) but also signaling that other keys are pressed.
Print is in a row with +vol and F11 (fullscreen) and delete is in a row with tab, so there's a connection there somewhere.
Cleaning it might just fix it.
Picture related is a general layout which may be slightly different in your keyboard, but you get the idea.
