How To Adjust Your Screen Brightness On Batch Script
@echo off
::Enter Brightness Level
set /P brightness=Enter brightness level (1-100):% brightness: %=%
:: Set Brightness Level
POWERCFG /SETDCVALUEINDEX 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c 7516b95f-f776-4464-8c53-06167f40cc99 aded5e82-b909-4619-9949-f5d71dac0bcb %brightness%
POWERCFG /SETACVALUEINDEX 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c 7516b95f-f776-4464-8c53-06167f40cc99 aded5e82-b909-4619-9949-f5d71dac0bcb %brightness%
:: Set Active
POWERCFG /S 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c
timeout /t 20
:: Change To Default Brightness Level
POWERCFG /SETDCVALUEINDEX 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c 7516b95f-f776-4464-8c53-06167f40cc99 aded5e82-b909-4619-9949-f5d71dac0bcb 100
POWERCFG /SETACVALUEINDEX 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c 7516b95f-f776-4464-8c53-06167f40cc99 aded5e82-b909-4619-9949-f5d71dac0bcb 100
:: Set Active
POWERCFG /S 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c
pause