Public/Dell/Update-MyDellBios.ps1
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<#
.SYNOPSIS Downloads and installed a compatible BIOS Update for your Dell system .DESCRIPTION Downloads and installed a compatible BIOS Update for your Dell system BitLocker friendly, but you need Admin Rights Logs to $env:TEMP\Update-MyDellBios.log .EXAMPLE Update-MyDellBios Downloads and launches the Dell BIOS Update. Does not automatically install the BIOS Update .EXAMPLE Update-MyDellBios -Silent Yes, this will update your BIOS silently, and NOT reboot when its done .EXAMPLE Update-MyDellBios -Silent -Reboot Yes, this will update your BIOS silently, AND reboot when its done .LINK https://osd.osdeploy.com/module/functions/dell/update-mydellbios .NOTES 21.3.5 Resolved issue with multiple objects 21.3.4 Initial Release #> function Update-MyDellBios { [CmdletBinding()] param ( [switch]$Silent, [switch]$Reboot ) #=================================================================================================== # Require Admin Rights #=================================================================================================== if ((Get-OSDGather -Property IsAdmin) -eq $false) { Write-Warning "$($MyInvocation.MyCommand) requires Admin Rights ELEVATED" Break } #=================================================================================================== $GetMyDellBios = Get-MyDellBios | Sort-Object ReleaseDate -Descending | Select-Object -First 1 $SourceUrl = $GetMyDellBios.Url $DestinationFile = $GetMyDellBios.FileName $OutFile = Join-Path $env:TEMP $DestinationFile if (-NOT (Test-Path $OutFile)) { Write-Verbose "Downloading using BITS $SourceUrl" -Verbose Save-OSDDownload -BitsTransfer -SourceUrl $SourceUrl -DownloadFolder $env:TEMP -ErrorAction SilentlyContinue | Out-Null } if (-NOT (Test-Path $OutFile)) { Write-Verbose "BITS didn't work ..." Write-Verbose "Downloading using WebClient $SourceUrl" -Verbose Save-OSDDownload -SourceUrl $SourceUrl -DownloadFolder $env:TEMP -ErrorAction SilentlyContinue | Out-Null } if (-NOT (Test-Path $OutFile)) {Write-Warning "Unable to download $SourceUrl"; Break} Write-Verbose "Checking for BitLocker" -Verbose #http://www.dptechjournal.net/2017/01/powershell-script-to-deploy-dell.html #https://github.com/dptechjournal/Dell-Firmware-Updates/blob/master/Install_Dell_Bios_upgrade.ps1 $GetBitLockerVolume = Get-BitLockerVolume | Where-Object { $_.ProtectionStatus -eq "On" -and $_.VolumeType -eq "OperatingSystem" } if ($GetBitLockerVolume) { Write-Verbose "Suspending BitLocker for 1 Reboot" Suspend-BitLocker -Mountpoint $GetBitLockerVolume -RebootCount 1 if (Get-BitLockerVolume -MountPoint $GetBitLockerVolume | Where-Object ProtectionStatus -eq "On") { Write-Warning "Couldn't suspend Bitlocker" Break } } else { Write-Verbose "BitLocker was not enabled" -Verbose } $BiosLog = Join-Path $env:TEMP 'Update-MyDellBios.log' $Arguments = "/l=`"$BiosLog`"" if ($Silent) { $Arguments = $Arguments + " /s" } if ($Reboot) { $Arguments = $Arguments + " /r" } Write-Verbose "Starting BIOS Update" -Verbose Write-Verbose "$OutFile $Arguments" -Verbose Start-Process -FilePath $OutFile -ArgumentList $Arguments -Wait } |