Press and hold the power button for 30 seconds. Reinsert the battery and turn on your computer. Now, check if the issue persists. We also suggest you clear CMOS. Turn off your computer and open ...

Android phones keep messing around with the power button, changing its default behavior and creating different shortcuts to turn off the phone. Just stop.

This article explains how to turn on Mac mini desktop computers using the power button. It also recommends troubleshooting tips if the button doesn't work.