Advanced Startup Options and UEFI

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I think that he means if it is possible to add it to NVRAM, so it shows up in the boot menu. I don't think it is possible.

 

I'm pretty sure it is. Don't quote me on this but I think you need EasyBCD and add WinRE.wim to the boot settings; I'm pretty positive thats what he means.

 

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I'm smart and dumb on this topic I have methods to boot most things from the bcd, i'm just not sure what you mean by the Advanced Startup. I assume you mean WinRE.wim, which is just a boot.wim essentially. If you point me to a specific file you want to boot, i'm sure theres a way. I have a triple boot, a few WinPEs, Grub4dos, Ubuntu, and Win8 safemode in my main bcd menu.

If it is a wim you want to boot, heres an automated way i made in autoit. It searches for sources\boot.wim, copies it to windows\boot.wim, and then adds a bcd entry. For efi you need to use winload.efi, not exe. If you indeed want to use WinRE, just point it to \recovery\%GUI ID%\winre.wim

Code:

#RequireAdmin
#Region ;**** Directives created by AutoIt3Wrapper_GUI ****
#AutoIt3Wrapper_Icon=WinPE.ico
#AutoIt3Wrapper_Compression=4
#AutoIt3Wrapper_Compile_Both=y
#AutoIt3Wrapper_Res_requestedExecutionLevel=asInvoker
#AutoIt3Wrapper_Add_Constants=n
#EndRegion ;**** Directives created by AutoIt3Wrapper_GUI ****

#include <StaticConstants.au3>
#include <WindowsConstants.au3>
#include <EditConstants.au3>
#include <Array.au3>
#include <String.au3>
#include <Process.au3>


$bcdedit = @SystemDir & "\bcdedit.exe"

;MsgBox(4096, "Add Boot.wim to BCD", "Do you want to add the WinPE to the BCD?  If not cancel now as startupcomplete is done.  This will need a boot.wim in Windows dir to function.", 2)
$bootwim = _FindFileBootwim("sources\boot.wim")
;If FileExists($bootwim & "\sources\boot.wim") Then
FileCopy($bootwim & "\sources\boot.wim", @WindowsDir & "\", 9)


;Winpe Ramdisk
If FileExists(@WindowsDir & "\boot.wim") Then
;RunWait(@ComSpec & " /c " & $bcdedit & ' /create /d "WinPERamdisk" /device > ' & @TempDir & "\bcd_out.txt", @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & ' /create /device > ' & @TempDir & "\bcd_out.txt", @SystemDir & "\", @SW_HIDE)
Sleep(1000)
$file = FileOpen(@TempDir & "\bcd_out.txt", 0)
$line = FileReadLine($file)
FileClose($file)
$pos1 = StringInStr($line, "{")
$pos2 = StringInStr($line, "}")
If $pos2 - $pos1 = 37 Then
$ramdisk = StringMid($line, $pos1, $pos2 - $pos1 + 1)
;RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $ramdisk & ' description "WinPERamdisk"', @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $ramdisk & " ramdisksdidevice partition=c:", @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $ramdisk & " ramdisksdipath \Windows\system32\boot.sdi", @SystemDir & "\", @SW_HIDE)
EndIf


;boot.wim
RunWait(@ComSpec & " /c " & $bcdedit & ' /create /d "WinPE" /application osloader > ' & @TempDir & "\bcd_out2.txt", @SystemDir & "\", @SW_HIDE)
;RunWait(@ComSpec & " /c " & $bcdedit & ' /create /application osloader > ' & @TempDir & "\bcd_out2.txt", @SystemDir & "\", @SW_HIDE)
Sleep(1000)
$2file = FileOpen(@TempDir & "\bcd_out2.txt", 0)
$2line = FileReadLine($2file)
FileClose($2file)
$2pos1 = StringInStr($2line, "{")
$2pos2 = StringInStr($2line, "}")
If $2pos2 - $2pos1 = 37 Then
$guid = StringMid($2line, $2pos1, $2pos2 - $2pos1 + 1)
RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $guid & " systemroot \Windows", @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $guid & " detecthal Yes", @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $guid & " winpe Yes", @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $guid & " osdevice ramdisk=[c:]\windows\boot.wim," & $ramdisk, @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $guid & " device ramdisk=[c:]\windows\boot.wim," & $ramdisk, @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $guid & " path \Windows\system32\winload.exe", @SystemDir & "\", @SW_HIDE)
;RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $guid & ' description "WinPE"', @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & " /set " & $guid & ' locale en-US', @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & " /displayorder " & $guid & ' /addlast', @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & ' Default {current}', @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & ' /set {current} bootmenupolicy standard', @SystemDir & "\", @SW_HIDE)
RunWait(@ComSpec & " /c " & $bcdedit & ' /timeout 10', @SystemDir & "\", @SW_HIDE)
FileDelete(@TempDir & "\bcd_out2.txt")
FileDelete(@TempDir & "\bcd_out.txt")
EndIf

EndIf

;Find bootwim
Func _FindFileBootwim($bootwim, $sSearch4 = "ALL")
If StringLeft($bootwim, 1) <> "\" Then $bootwim = "\" & $bootwim
Local $aDrives4 = DriveGetDrive($sSearch4)
For $i4 = 1 To $aDrives4[0]
If FileExists($aDrives4[$i4] & $bootwim) Then Return $aDrives4[$i4]
Next
Return SetError(1, 0, "")
EndFunc   ;==>_FindFileBootwim

 

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you could use BootuiTuner to modify it.
This utility is by winAero and works on windows 8.1
sorry, can't supply the link