![]() The main problem I'm having is that if it was an issue with the connection, the pinning, the circuit tracing, or anything on the logic board for that matter, more than one key should be effected. Of course, schematics don't exist for any Macbook Pro past 2014, however the pinouts for the keyboard haven't changed to my knowledge. So at this point, I'm sure that it's an issue with the logic board. There are a few other things i've done, but that's the major ones. Put in a new SSD and installed Mojave fresh to make sure there would be no trace of a software issue Tried 3 more spare internal keyboards from older models Replaced the keyboard again (just in case) Reset SMC, NVRAM (several times, though NVRAM only reset through 'nvram -c') Oh! Also, external keyboards work perfectly and don't trigger the Z push. I assume this has something to do with Z triggering on startup, no idea tbh, had to do most commands through single-user, or just taking the SSD out and forcing it to boot from a flash drive. Some will, such as SMC, recovery, and single-user, but most don't. ![]() This gives a bit of an issue where 90% of startup commands no longer work. ![]() If you press Z first, it will repeatedly type Z as if the key was stuck, and won't stop until you hit another key. When the device boots up, if you hit any key other than Z, it will first type Z, then the key you pressed. Instead of writing down this all in story format, here's the full issue and everything I've tried: I've since tried to fix the issue, going deeper and deeper down the rabbit hole and still coming up empty. A while ago, the Z key stopped responding. Alright! So, I've got a Macbook Pro, 13", early 2015. ![]()
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