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Install-LnvUpdate#

Synopsis#

Installs a Lenovo update package. Downloads it if not previously downloaded.

Syntax#

Install-LnvUpdate [-Package] <PSObject> [-Path <DirectoryInfo>]
                  [-SaveBIOSUpdateInfoToRegistry] [-SkipSignatureCheck]
                  [-Proxy <Uri>] [-ProxyCredential <PSCredential>] [-ProxyUseDefaultCredentials]

Description#

Installs Lenovo update packages on the local computer. The function automatically downloads packages that have not been previously downloaded. Supports signature verification for security, and can save BIOS update information to the Windows registry for tracking and compliance.

Parameters#

Parameter Type Description
-Package PSObject Package(s) from Get-LnvUpdate (pipeline)
-Path DirectoryInfo Directory with cached packages
-SaveBIOSUpdateInfoToRegistry switch Write BIOS info to registry
-SkipSignatureCheck switch NEW: Skips default signature check
-Proxy Uri Proxy URL
-ProxyCredential PSCredential Proxy credentials
-ProxyUseDefaultCredentials switch Use current user for proxy
-ExportToWMI switch export the update information to WMI (ROOT\Lenovo\Lenovo_Updates class)

Examples#

# Install updates
$updates = Get-LnvUpdate
$updates | Install-LnvUpdate

# Install with signature verification
$updates | Install-LnvUpdate -VerifySignature

Examples#

Example 1: Install Unattended Updates#

$updates = Get-LnvUpdate | Where-Object { $_.Installer.Unattended }
$updates | Install-LnvUpdate -Verbose

Finds and installs only packages that support silent/unattended installation.

Example 2: Install with BIOS Registry Tracking#

$updates = Get-LnvUpdate
$updates | Install-LnvUpdate -SaveBIOSUpdateInfoToRegistry -Verbose

Installs updates and saves BIOS information to registry for tracking.

Verifies installer signatures before installation.

Example 4: Complete Installation Pipeline#

# Get updates, download, and install in one pipeline
Get-LnvUpdate | `
  Where-Object { $_.Installer.Unattended } | `
  Save-LnvUpdate -Path "C:\Updates" | `
  Install-LnvUpdate -SaveBIOSUpdateInfoToRegistry -Verbose

Output#

Returns a PackageInstallResult object with installation outcome details.

Important Notes#

Administrative Rights: Installation of drivers and firmware updates requires administrative privileges.

Unattended Deployment: When deploying via SCCM, MDT, or remote PowerShell, always filter for unattended packages:

$updates = Get-LnvUpdate | Where-Object { $_.Installer.Unattended }

Interactive installers may hang the deployment waiting for user input.

Reboots: Some packages may require reboots or system restarts. Check the result object for ActionNeeded property.

BIOS Update Registry Keys#

When -SaveBIOSUpdateInfoToRegistry is used, the following registry location is updated:

HKLM\Software\LenovoUpdate\BIOSUpdate
  - Version: BIOS version installed
  - InstallDate: Date/time of installation
  - ActionNeeded: Whether reboot/shutdown is required

See Also#