PowerShell/docs/reboot-into-bios.md

The reboot-into-bios.ps1 Script

reboot-into-bios.ps1

Parameters

[<CommonParameters>]
    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.

Script Content

# Requires admin privileges to run
if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
	Write-Host "This script requires administrative privileges." -ForegroundColor Red
	Write-Host "Please run PowerShell as Administrator and try again." -ForegroundColor Yellow
	pause
	exit 1
}

try {
	Write-Host "Preparing to reboot into BIOS/UEFI..." -foregroundColor Yellow
    
	# Get boot configuration
	$bootConfig = bcdedit /enum firmware
	if ($lastExitCode -ne 0) { throw "Failed to get boot configuration" }

	# Set the one-time boot to UEFI
	$result = shutdown /r /fw /t 0
	if ($lastExitCode -ne 0) { throw "Failed to initiate reboot" }

} catch {
	Write-Host "Error: $_" -ForegroundColor Red
	Write-Host "Failed to initiate BIOS reboot." -ForegroundColor Red
	pause
	exit 1
}

(page generated by convert-ps2md.ps1 as of 05/12/2025 22:02:58)