# Remove Dell Bloatware - Silent mode with error suppression
# Run as Administrator

#Requires -RunAsAdministrator

$ErrorActionPreference = 'SilentlyContinue'
$ProgressPreference = 'SilentlyContinue'

# Dell Bloatware packages to remove
$DellApps = @(
    'Dell.*Update',
    'DellSystemDetect',
    'DellClientManagementService',
    'Dell.*Backup',
    'Dell.*Dock',
    'Dell.*Display.*Manager',
    'Dell.*Easy.*Access',
    'Dell.*Foundation.*Services',
    'Dell.*SupportAssist',
    'Dell.*SupportAssistRemediation',
    'Dell.*Optimizer',
    'DellPowerManager',
    'Dell.*Command.*Update',
    'Dell.*KACE',
    'Alienware.*'
)

# Remove via WMI
foreach ($app in $DellApps) {
    try {
        $installed = Get-WmiObject -Class Win32_Product -Filter "Name LIKE '$app'" -ErrorAction SilentlyContinue
        foreach ($item in $installed) {
            $item.Uninstall() | Out-Null
        }
    } catch { }
}

# Remove via PowerShell App Removal
foreach ($app in $DellApps) {
    try {
        Get-AppxPackage -Name "*Dell*" -AllUsers -ErrorAction SilentlyContinue | Remove-AppxPackage -AllUsers
    } catch { }
}

# Remove Dell services
$DellServices = @(
    'DellClientManagementService',
    'DellSystemDetect',
    'DSAService',
    'DellDataTransport',
    'DellSSDMonitor',
    'DellPowerManagementService'
)

foreach ($service in $DellServices) {
    try {
        $svc = Get-Service -Name $service -ErrorAction SilentlyContinue
        if ($svc) {
            Stop-Service -Name $service -Force
            Set-Service -Name $service -StartupType Disabled
        }
    } catch { }
}

# Remove Dell scheduled tasks
try {
    Get-ScheduledTask -TaskPath "*Dell*" -ErrorAction SilentlyContinue | Unregister-ScheduledTask -Confirm:$false
} catch { }

# Remove from Registry
try {
    $DellRegPaths = @(
        'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*Dell*',
        'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*Dell*',
        'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\*Dell*'
    )

    foreach ($path in $DellRegPaths) {
        Remove-Item -Path $path -Force -Recurse
    }
} catch { }

# Remove Dell installation directories
$DellDirs = @(
    'C:\Program Files\Dell',
    'C:\Program Files (x86)\Dell',
    'C:\ProgramData\Dell',
    'C:\ProgramData\SupportAssist'
)

foreach ($dir in $DellDirs) {
    try {
        if (Test-Path $dir) {
            Remove-Item -Path $dir -Recurse -Force
        }
    } catch { }
}

Write-Host "Dell bloatware removal complete." -ForegroundColor Green