First off the cable you have marked is the power supply cable not the power button connection.
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Depending on what your application is, I’m assuming it’s to restart as the process hung. If that’s the case then just leverage the AC power cord by placing a line switch within its path, as an example a power strip. If the application is just doing a presentation type of loop that would work. You could also setup a watchdog process from another system to manage the power strip if it has a remote control option.
First off the cable you have marked is the power supply cable not the power button connection.
Depending on what your application is, I’m assuming it’s to restart as the process hung. If that’s the case then just leverage the AC power cord by placing a line switch within its path, as an example a power strip. If the application is just doing a presentation type of loop that would work. You could also setup a watchdog process from another system to manage the power strip if it has a remote control option.