Don't think you're in the right place. I came to ask how to deal with pop in the Chromebook keyboard. Service rep couldn't even figure out my device info that's entered into my profile. I had to go old school and cut and paste the info for them myself. All i got it of two chat sessions was an address thousands of miles away. I accomplished more with Google, YouTube, and a small screwdriver. I've cleaned many of my keys and found a place close by in Google maps to remove the motherboard and repair the damaged keys. As for your query, this is what I found quickly.
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