# tpmupgrade.osdcloud.ch

$Global:Transcript = "$((Get-Date).ToString('yyyy-MM-dd-HHmmss'))-TPMUpgrade_HP_AllInOne.log"
Start-Transcript -Path (Join-Path "$env:ProgramData\Microsoft\IntuneManagementExtension\Logs\OSD\" $Global:Transcript) -ErrorAction Ignore

# Get OSD module
$Module = Import-Module OSD -PassThru -ErrorAction Ignore
if (-not $Module) {
    Write-Host "`n=========================================`n"
    Write-Host "Installing module OSD"
    Install-Module OSD -Force
}
Import-Module OSD -Scope Global -Force

$Model = Get-MyComputerModel
if ($Model -notlike "*HP EliteOne 800 G2 23-in Touch*" -or $Model -notlike "*HP EliteOne 800 G3 23.8-in Touch*") {
    Write-Host "This TPM firmware doens't support your model"
    Write-Host "`n=========================================`n"
    Stop-Transcript
    #Exit 1
}

[System.String]$DownloadPath = 'C:\Drivers'
if (-NOT (Test-Path "$DownloadPath")) {
    New-Item $DownloadPath -ItemType Directory -Force -ErrorAction Stop | Out-Null
}
$FileName = 'HP_TPM_Upgrade.exe'
$OutFile = Join-Path $DownloadPath $FileName
$SourceURL = "https://ftp.hp.com/pub/softpaq/sp87501-88000/sp87753.exe"

Write-Host "`n=========================================`n"
Write-Host "Downloading SoftPack file"
Save-WebFile -SourceUrl $SourceURL -DestinationDirectory $DownloadPath -DestinationName $FileName

if (! (Test-Path $OutFile)) {
    Write-Warning "$((Get-Date).ToString('yyyy-MM-dd-HHmmss')) SoftPack failed to download"
    Write-Host "`n=========================================`n"
    Stop-Transcript
    #Exit 1
}

Write-Host "`n=========================================`n"
Write-Host "Extracting SoftPack file"
Start-Process -FilePath $OutFile -ArgumentList "/s /f $DownloadPath"

Write-Host "`n=========================================`n"
Write-Host "Executing SoftPack file"
Start-Process -FilePath "$DownloadPath\TPMConfig64.exe" -ArgumentList "-s"

Write-Host "`n=========================================`n"
Write-Host "Rebooting the host in 10 seconds"
Start-Process "C:\Windows\System32\shutdown.exe" -ArgumentList "-r -t 10"
Stop-Transcript