问题描述：从官网下载的该序列号的对应版本的BIOS更新程序，重启更新时报错： “更新BIOS 签名认证失败”
产品名称：HP EliteDesk 800 G4基本机型工作站版
序列号: 4CV920WSLV
产品编号: 3WL78AV
系统属性：
<p>
OS Name Microsoft Windows 10 专业工作站版
Version 10.0.19045 Build 19045
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name HP-WKS
System Manufacturer HP
System Model HP EliteDesk 800 G4 WKS TWR
System Type x64-based PC
System SKU 3WL78AV
Processor Intel(R) Core(TM) i5-8500 CPU @ 3.00GHz, 3000 Mhz, 6 Core(s), 6 Logical Processor(s)
BIOS Version/Date HP Q01 Ver. 01.11.01, 2020/4/27
SMBIOS Version 3.1
Embedded Controller Version 7.208
BIOS Mode UEFI
BaseBoard Manufacturer HP
BaseBoard Product 83E0
BaseBoard Version KBC Version 07.D0.00
Platform Role Desktop
Secure Boot State On
PCR7 Configuration Elevation Required to View
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume7
Locale China
Hardware Abstraction Layer Version = "10.0.19041.5072"
User Name HP-WKS\Albre
Time Zone China Standard Time
Installed Physical Memory (RAM) 16.0 GB
Total Physical Memory 15.3 GB
Available Physical Memory 8.98 GB
Total Virtual Memory 18.7 GB
Available Virtual Memory 9.65 GB
Page File Space 3.38 GB
Page File C:\pagefile.sys
Kernel DMA Protection Off
Virtualization-based security Not enabled
Device Encryption Support Elevation Required to View
Hyper-V - VM Monitor Mode Extensions Yes
Hyper-V - Second Level Address Translation Extensions Yes
Hyper-V - Virtualization Enabled in Firmware Yes
Hyper-V - Data Execution Protection Yes
</p>
