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我已经实现了一个 powershell 脚本，该脚本在 MDT 安装 windows 10 或 windows 7 期间设置了 bios 参数，我将它集成到我的服务器 MDT 中，就像 windows 任务序列中的“运行 Powershell 脚本”一样，但如果我不工作在winpe中测试我的脚本运行良好，但安装操作系统后，如果我检查bios，什么都没有发生。我通过os任务序列集成了我的脚本，在任务序列中右键单击，点击add=>general=>run powershell，然后我把路径和我的脚本的名称像%SCRIPTROOT%myscript.ps1。对于执行策略，我将其称为“运行命令行”：powershell.exe -command“Set-ExecutionPolicy Unrestrictebd”。

这是我的 Windows 10 脚本，可能是我错过了什么 

    $computerManufacturer = (Get-WmiObject win32_computersystem).manufacturer
if($biosManufacturer -ceq "Dell Inc." -or $computerManufacturer -ceq "Dell Inc." ){

  #Activation du mode UEFI
        $bios= Get-WmiObject DCIM_BIOSService -namespace root\dcim\sysman 
        $bios.SetBIOSAttributes($null,$null,"Boot Mode","2")
        #Desactivation du legacy
        $bios.SetBIOSAttributes($null,$null,"Enable Legacy Option ROMs","1")
         #Activation du secure Boot
        $bios.SetBIOSAttributes($null,$null,"Secure Boot","2")     

         }

Windows 7的第二个是

$biosManufacturer = (Get-WmiObject win32_Bios).manufacturer
$computerManufacturer = (Get-WmiObject win32_computersystem).manufacturer
if($biosManufacturer -ceq "Dell Inc." -or $computerManufacturer -ceq "Dell Inc." ){   echo  $computerManufacturer

        #Desactivation du mode UEFI au detriment de Legacy
    $bios=Get-WmiObject -class DCIM_BIOSService -namespace root\dcim\sysman 
    $bios.SetBIOSAttributes($null,$null,"Enable Legacy Option ROMs","2")
    $bios.SetBIOSAttributes($null,$null,"Boot Mode","1")            

        #Desctivation du secure Boot
        #$bios.(Get-WmiObject DCIM_BIOSService -namespace root\dcim\sysman ).SetBIOSAttributes($null,$null,"Secure Boot","1")        

        } 

elseif($computerManufacturer -ceq "HP" -or $computerManufacturer -ceq "Hewlett-Packard"  ){

 #Activation du mode UEFI du mode UEFI
    $bios=Get-WmiObject -Namespace root/hp/instrumentedBIOS -Class HP_BIOSSettingInterface
    $bios.SetBIOSSetting("Configure Legacy Support and Secure Boot", "Legacy Support Enable and Secure Boot Disable","")    
    $bios.SetBIOSSetting("UEFI Boot Options", "Disable","")
    $bios.SetBIOSSetting("Legacy Boot Options", "Enable","")

     }

如果有人有任何想法，我会欣赏它！

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