I really do appreciate the time you took to work with me on this but I have resolved the problem without having to build a script. Your instructions led me to find out what was causing the problem -- thank you!!! As I mentioned, I bought this used and the previous owner installed a new quieter ...

The actual file is located under /boot/firmware/config.txt. I don't see anything in there of interest?

# For more options and information see
# http://rptl.io/configtxt
# Some settings may impact device functionality. See link above for details

# Uncomment some or all of these to enable the ...

Thank you for your help on this. Just so you know, you are dealing with a novice here using Linux. I know enough to be dangerous and that's about it. This is way over my head.

Here are a few lines in /sys/kernel/debug/gpio that might be of interest...

gpio-553 (PWR_GPIO |pwr_button ) in hi ACTIVE ...

I have tried my best to find an answer to this problem, but can't find it. I recently acquired a used G2 and upon arrival the microSD in the G2 appeared to be corrupted. Luckily inside of the unit was a backup microSD which does work but shutdown via the power button does not work. I ran the script ...