Windows 10 show/hide "dim display after" option

Source:  https://www.makeuseof.com/windows-show-dim-display-after-option/

In PowerShell, enter the following command to show the Dim Display after option in the Power Options menu:

powercfg -attributes SUB_VIDEO 17aaa29b-8b43-4b94-aafe-35f64daaf1ee -ATTRIB_HIDE

To hide it, enter the following command:

powercfg -attributes SUB_VIDEO 17aaa29b-8b43-4b94-aafe-35f64daaf1ee +ATTRIB_HIDE

ValidityService.log - Synaptics FP WBF Policy Service

 See here:

https://h30434.www3.hp.com/t5/Notebook-Software-and-How-To-Questions/Why-does-synaptics-validity-service-log-constantly-grow-in/td-p/6454758