PowerShell script to disable an Elantech TouchPad on WIndows 10. This TouchPad is available on at least Samsung Series 7 Chronos laptops

Disable-ElantechTouchPad.ps1

<#
.SYNOPSIS
 Disables Elantech TouchPad on WIndows 10
.DESCRIPTION
This TouchPad is available on at least Samsung Series 7 Chronos laptops. Executing this function will edit the registry. Afterwards in order for this function to have
an effect, at minimum a system log-off is required.

This function doesn't disable TouchPad on Windows log-in screen.
.PARAMETER WhatIf
Dry-run; outputs what it intends to do if executed without `-WhatIf`
.EXAMPLE
C:\> (New-Object Net.WebClient).DownloadString("https://gist.githubusercontent.com/marckassay/174d2217e354734a5c63ccb22c5fcb76/raw/5104dad7a89dfb9ac8f74de0bb96bf4b4fb51f04/Disable-ElantechTouchPad.ps1") | iex
C:\> Disable-ElantechTouchPad -WhatIf
.EXAMPLE
C:\> Disable-ElantechTouchPad
#>
function Disable-ElantechTouchPad {
  [CmdletBinding()]
  Param
  (
    [switch]$WhatIf
  )
  
  Get-Item -Path HKCU:\Software\Elantech\OtherSetting\ | Set-ItemProperty -Name DisableWhenDetectUSBMouse -Value 1 -WhatIf:$WhatIf.IsPresent
  Get-Item -Path HKCU:\Software\Elantech\OtherSetting\ | Set-ItemProperty -Name IsUsbMousePlugIn -Value 1 -WhatIf:$WhatIf.IsPresent
}