%windir%\system32\notepad.exe %windir%\system32\drivers\etc\hosts
Taken from: http://superuser.com/a/52854
dir /a:l /s
Source: https://thegeekpage.com/screen-wont-turn-off/
Run `cmd` as Administrator and then:
# to check if it is really slack powercfg -requests # to resolve the issue powercfg /requestsoverride PROCESS slack.exe DISPLAY SYSTEM