# Get all dell software
$dellSoftware = Get-WmiObject -Class Win32_Product | Where-Object Name -Match Dell #| Format-Table

# Uninstall all Dell software except Power Manager
foreach ($software in $dellSoftware) {
    if ($software.Name -ne "Dell Power Manager Service") {
        & msiexec /x $software.IdentifyingNumber | Out-Null
    }
}