# Win32_Bios
$bios = Get-WmiObject win32_Bios -ComputerName $Global:computerName | Select-Object SMBIOSBIOSVersion, Manufacturer, Name, SerialNumber
$biosManufacturer = $bios.Manufacturer
$biosVersion = $bios.SMBIOSBIOSVersion
$biosName = $bios.Name
$serialNumber = $bios.SerialNumber
If(!$serialNumber -or [string]::IsNullOrWhiteSpace($serialNumber)){
    $bios = $Null
    $bios = Get-WmiObject win32_baseboard -ComputerName $Global:computerName | Select-Object Manufacturer, SerialNumber, Product
    $serialNumber = $bios.SerialNumber
    $manufacturer = $bios.Manufacturer
    $model = $bios.Product
    }