2 Need help fixing/cleaning keyboard connector
I recently had to replace the logic board on my 2012 15" MBP. However, it seems like the replacement logic board has an issue at the keyboard connector. A column of keys (9, 0, p, etc) as well as the \ and "enter" key don't work.
I know that the keyboard and cable are fine since I didn't have an issue with them before. I'd like to try to clean the ZIF connector. Does anybody have recommendations for how to do that? I was thinking 90+ % isopropanol and a toothbrush.
Also, does anybody know where I can find a pinout for the keyboard connector? I found Keyboard ZIF Connector Pinout, but I don't know how to read the diagram.
Thanks for all your help!
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1
Why was the logic board replaced? If the old logic board didn't work, how did you verify that the keyboard works?
mayer 의
The old logic board had a current sensor issue (I think in the battery power bus? Determined from Apple Hardware Test) that caused the computer to run extremely slowly (kernel_task using 600% CPU). There were no issues with keyboard or keyboard cable prior to putting in the new logic board.
The donor computer had the same keyboard issues (same keys didn't work), so I believe it's a problem with the keyboard ZIF connector.
Buddy Guy 의