can you not uh...
hold down the arrow button???
also... are you not tapping (or tapping and holding down) the year itself??
btw i just tried and both these methods work so...
i don't know what that means.
get yourself a torx T15 screwdriver or extension that's at least 6 inches long. should sell them at home depot or whatever
tbh, your post is really "i have tried nothing and i'm out of ideas".
its a 35 year old computer, you gotta crack it open and inspect for...
000E is usually a memory issue. have you reseated the RAM SIMMs?
moreover, what have you actually done to try and "rescue" it? have you opened it up?
sad mac codes are generally vague and barely helpful in my experience.
you could play around with bezels and such. there's a few gameboy replacement LCDs that do different tricks. generally they pixel double. the one for the OG DMG gameboy is actually 4:3 and is partially hidden under the housing.