Using Alt + F4 with an app running will close it instead. Another way to turn off your Windows PC is to use the shutdown /s ...

After you complete the steps, you can double-click to run the script and configure the computer to shutdown automatically. Although the power settings don't include an option to turn off a device ...

Shutdown closes all inputs and outputs of ... Press and hold the Power button on the computer to turn off. Disconnect your connected external devices. Turn on the computer after 10-15 seconds.