rmNvidia.ps1

#written by cpuwolf@gmail.com 2023 Sep.
#
# Set-WinUILanguageOverride -Language en-US
# pop up msg box for users
#$PSScriptRoot
# get script path 
$scriptPath = split-path -parent $MyInvocation.MyCommand.Definition
Write-Host "script dir=$scriptPath"
Add-Type -AssemblyName System.Windows.Forms

$principal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
if ($principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
	
	# code here...
	try {
		Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope LocalMachine
	}
	catch {
		#Do Nothing
	}
	$ButtonType = [System.Windows.Forms.MessageBoxButtons]::OK
	$MessageIcon = [System.Windows.Forms.MessageBoxIcon]::Information
	# DONT indent $$MessageBody, or else you will get errors
	$MessageBody = @'
1. Plug-out USB cable of QFCU
2. Press and hold the SPD/MACH button
3. plug-in the USB cable
4. monitor QFCU backlight is blinking
'@
	$MessageTitle = "USB cable"
	$Result = [System.Windows.Forms.MessageBox]::Show($MessageBody, $MessageTitle, $ButtonType, $MessageIcon)
	#	 install new device driver of DFU
	Write-Host "current path=$(Get-Item .)"
	Write-Host "work path=$scriptPath"
	Start-Process  -FilePath "$scriptPath\DFU_driver\Win10\dpinst_amd64.exe" -wait
	# First join the string array from pnputil with newlines and split on the empty lines
	# that separate each driver. The result is a set of textblocks for per driver from which
	# we filter out the blocks where the wanted provider is mentioned.
	$drivers = ((pnputil.exe /enum-drivers) -join [environment]::NewLine -split '(\r?\n){2,}' -ne '' |
		Where-Object { $_ -match '\bguistdfudev.inf\b' })

	Write-Host "$drivers"
	# Set log file path
	$logFile = "$env:TEMP\qmdevfwlog.txt"
	# test if we did find Guillemot drivers
	if ($drivers) {
		Out-File -FilePath $logFile
		# Next replace the (first) colons with equal signs. Convert each block into a Hashtable using
		# ConvertFrom-StringData and output the value of the property where the actual inf file is stored
		$drivers | ForEach-Object {
			$hashvals = ($_ -replace '(?<!:.*):', '=' | ConvertFrom-StringData -ErrorAction SilentlyContinue).Values
			#Write-Host "$hashvals"
			$hashvals | ForEach-Object {
				if ($_ -match "oem.*inf") {
					$driver = $_
					Write-Host "deleting driver using '$driver'"
					Add-Content -Path $logFile -Value "deleting driver using '$driver'"
					# Now you can delete the driver
					# for safety reasons I have commented this out:
					pnputil.exe /delete-driver $driver /uninstall /force
				}
			}


		}
		# rename folder
		if (Test-Path -Path "C:\Program Files (x86)\Guillemot") {
			Rename-Item -path "C:\Program Files (x86)\Guillemot" -NewName "Guillemot_1"
		}
	}
	else {
		Write-Host 'No Guillemot drivers found'
		Add-Content -Path $logFile -Value 'No Guillemot drivers found'
	}

	# check driver wether is installed
	$drivers = ((pnputil.exe /enum-drivers) -join [environment]::NewLine -split '(\r?\n){2,}' -ne '' |
		Where-Object { $_ -match '\bsttube.inf\b' })
	#Write-Host "$drivers"
	$devicess = ((pnputil.exe /enum-devices) -join [environment]::NewLine -split '(\r?\n){2,}' -ne '' |
		Where-Object { $_ -match '\bDFU\b' })
	#Write-Host "$devicess"

	# test if we did find STM DFU drivers
	if ($devicess -And $drivers) {
		[bool] $devdead = $false
		# Disconnected?
		$devicess | ForEach-Object {
			$sStringToConvert = $_ -replace '\\', '\\'
			$hashvals = ($sStringToConvert -replace '(?<!:.*):', '=' | ConvertFrom-StringData -ErrorAction SilentlyContinue).Values
			#Write-Host "$hashvals"
			$hashvals | ForEach-Object {
				if ($_ -match "Disconnected") {
					$devdead = $true
					Write-Host "$_"
				}
				elseif ($_ -match "oem.*inf") {
					$driveroem1 = $_
					Write-Host "$driveroem1"
				}
			}
		}
		# oem*.inf
		$drivers | ForEach-Object {
			$sStringToConvert = $_ -replace '\\', '\\'
			$hashvals = ($sStringToConvert -replace '(?<!:.*):', '=' | ConvertFrom-StringData -ErrorAction SilentlyContinue).Values
			#Write-Host "$hashvals"
			$hashvals | ForEach-Object {
				if ($_ -match "oem.*inf") {
					$driveroem2 = $_
					Write-Host "$driveroem2"
				}
			}
		}
		if ($driveroem1 -eq $driveroem2) {
			Write-Host 'DFU driver is found'
			if (-Not $devdead) {
				$devdfu = $_
				Write-Host "deleting device DFU is active"
				Add-Content -Path $logFile -Value "deleting device DFU is active"
				# Now you can delete the devdfu
				Start-Process -FilePath "$scriptPath\QFCUfw230814\QFCU_FWUpdate.bat" -WorkingDirectory "$scriptPath\QFCUfw230814" -wait
				
				# remove DFU driver
				Start-Process -WorkingDirectory "$scriptPath\DFU_driver\Win10" -FilePath "$scriptPath\DFU_driver\Win10\dpinst_amd64.exe" -ArgumentList @('/u', 'STtube.inf', '/s') -wait
			}
			else {
				Write-Host ''
				Write-Host '===> DFU device is Disconnected'
			}
		}
		else {
			Write-Host ''
			Write-Host 'DFU driver installation failed'
		}
	}
 else {
		Write-Host ''
		Write-Host 'DFU driver installation is failed, try again'
	}

	# rename folder
	if (Test-Path -Path "C:\Program Files (x86)\Guillemot_1") {
		Rename-Item -path "C:\Program Files (x86)\Guillemot_1" -NewName "Guillemot"
	}
	pause
}
else {
	Write-Host "NON admin script path=$(Get-Location)$('\')$($MyInvocation.MyCommand.Name)"
	Write-Host "NON admin work path=$(Get-Item .)"
	Start-Process -WorkingDirectory "$scriptPath" -FilePath "powershell" -ArgumentList "$('-File ""')$(Get-Location)$('\')$($MyInvocation.MyCommand.Name)$('""')" -Verb runAs
}

This power shell script aims to detect Guillemot drivers and remove the drivers.
this script is not required to run as administrator, because this script will prompt itself