BIOS是我们经常听到的一个术语，事实上，对于您的大多数硬件问题，IT 人员可能会在对硬件进行故障排除之前建议升级BIOS 。什么是 BIOS？BIOS是（基本输入输出系统(Basic Input Output System)）的首字母缩写词，是与 PC 主板配套的软件。
简而言之，它在硬件和操作系统之间形成了一层通信。因此，不用说BIOS对于 Windows 10/8/7 计算机的功能非常重要。
为什么要更新系统 BIOS
毕竟， BIOS(BIOS)是一个需要定期更新的软件，只针对操作系统或一般的应用程序。更新通常包含增强和修复，最终将帮助软件保持与硬件和软件的兼容性。话虽如此，与大多数其他应用程序不同，BIOS需要手动更新，这正是我们将在本部分中解释的内容。
大多数不需要或必须更新 BIOS。如果您的计算机工作正常，则无需更新或刷新 BIOS。在任何情况下，如果您愿意，我们建议您不要尝试自己更新 BIOS，而是将其交给可能更有能力执行此操作的计算机技术人员。只有当您遇到一些性能问题或其他(Most do not need to or have to update the BIOS. If your computer is working properly, you do not need to update or flash your BIOS. In any case, should you wish to, we recommend that you do not try to update your BIOS yourself but instead take it to a computer technician who may be better equipped to do it. One needs to consider updating the BIOS only if you are facing some performance issues or other problems that )需要您更新 BIOS 的问题时，才需要考虑更新 BIOS。需要小心并知道如何更新 BIOS；否则，它可能会使您的( you to update the BIOS. One needs to be careful and know how to update the BIOS; else, it could brick your )整个系统变砖。( system.)
如何检查您的 BIOS 版本
在更新BIOS之前，您需要从系统信息中检查(System Information)BIOS的版本。我们已经了解了如何检查 BIOS 版本。您必须在搜索中输入msinfo32并按Enter。系统信息工具打开后，您可以检查BIOS版本。
也可以在CMD中运行命令来检查BIOS版本。单击(Click)“开始按钮”，然后按运行(Run)；出现“运行”(Run)框后，键入系统信息(system info)，然后按“确定”。您可以记下BIOS编号并将其与制造商网站上的最新版本进行匹配；如果需要，请更新它。
如何在 Windows 11/10 中更新 BIOS
BIOS有助于维护系统的稳定性并提高安全性，并尝试保护系统免受任何漏洞的影响。
在开始之前，请确保在升级BIOS时有备用电源。因为如果在此过程中计算机关闭，BIOS可能已损坏，您需要技术人员来修复它。您的引导CD/DVD可能有帮助，也可能没有帮助，这取决于在断电或重写 BIOS 时系统突然关闭后BIOS的(BIOS)状态。
一般来说，要更新BIOS，请访问制造商的网站以下载BIOS更新。通过输入服务标签(Service Tag)或序列号来识别您的产品。
- 如果显示的系统不正确，请单击“查看其他产品”并尝试手动浏览产品。(Browsing)选择正确的产品后，从下拉类别转到BIOS 。
- 如果列出了多个文件，请通过单击“查看详细信息”检查更新号来选择最新的一个。
- 下载(Download)文件并将其保存到您的桌面
- 双击(Double)该图标，这将重新启动您的系统并打开一个BIOS更新页面。
话虽如此，更新过程可能因产品而异。还值得一提的是，OEM 会在一段时间后停止更新部分机器的BIOS 。
阅读(Read)：如何将 BIOS 设置重置为默认值。
(Update BIOS)通过创建可启动 USB更新 BIOS
也可以将BIOS update.EXE文件下载到可启动闪存(Flash)驱动器并进行更新。为此，首先，您需要前往公司官方网站并下载BIOS文件。
为了创建可启动的USB 闪存驱动器(USB Flash Drive)使用，此处提供了戴尔诊断部署包(Dell Diagnostic Deployment Package)和相应的说明。
- 下载(Download)BIOS更新文件，通常是 .exe
- 将文件复制到可启动的USB闪存驱动器。
- 现在将U(USB)盘插入需要更新BIOS的系统。
- 重新启动后，按F12，确保插入带有BIOS的(BIOS)USB。
- (Select USB Storage)从菜单中选择 USB 存储设备，然后按 Return
- 系统会打开一个命令提示符
- 按照屏幕上的说明完成更新过程。
阅读(Read)：如何在 Windows 计算机上使用 BIOS 设置。
使用 BIOS 更新应用程序
这是最简单的部分，我使用这种方法来更新我的惠普笔记本电脑上的(HP Laptop)BIOS已经有一段时间了。主板制造商有自己的BIOS 更新应用程序，(BIOS update applications,)您只需按一下按钮，瞧！该软件将负责其余的工作。始终建议关闭防火墙和其他安全软件，因为它们可能会干预该过程。
所有OEM制造商都有实用程序，可帮助您轻松更新BIOS、固件和驱动程序。搜索您的并仅从官方网站下载。这是更新BIOS的最安全方法。
- 如果您拥有戴尔(Dell)笔记本电脑，您可以访问Dell.com 或使用戴尔更新实用程序(Dell Update Utility)。
- 华硕(ASUS)用户可以从华硕(ASUS)支持网站下载MyASUS BIOS更新实用程序。
- ACER用户可以去这里(go here)。输入您的序列Number/SNID型号(Model)搜索您的产品，选择BIOS/Firmware，然后单击您要下载的文件的下载链接。(Download)
- 联想用户可以使用联想系统更新工具(Lenovo System Update Tool)。
- HP 用户可以使用捆绑的HP Support Assistant。
更新 HP 电脑上的 BIOS
正如我们之前所解释的，不同品牌的BIOS更新过程略有不同，为了千方百计，我们还将引导您完成更新HP 系统的BIOS的步骤。(BIOS)
- 转至HP 软件和驱动程序下载(HP Software & Driver Downloads)网页并选择正确的型号(Model)。
- 选择操作系统
- 该网页将显示您计算机的更新列表，您需要检查BIOS部分。如果BIOS选项不可用，则表示您已经在运行最新的BIOS。
- 确保BIOS更新适用于您的计算机型号。如果有一些混淆，请检查您的系统信息。错误的BIOS可能会严重损坏主板。
- 下载 BIOS 文件并保存
- 暂时禁用防病毒和其他安全程序
- 双击(Double)BIOS文件并按照屏幕上的说明进行操作
- 安装完成后，根据安装程序提示重启电脑。
阅读(Read)：如何在 Windows 计算机上降级 BIOS。
使用 Lenovo System Update(Use Lenovo System Update)更新Lenovo笔记本电脑上的BIOS
如果您拥有一台联想笔记本电脑，更新(Lenovo)BIOS的最佳方法是使用ThinkPad、ThinkCentre、ThinkStation、联想 V(Lenovo V)、BK 和 E 系列支持的联想系统更新。(Lenovo System Update)或者，您可以直接从联想支持网站下载(Lenovo support site)BIOS并手动安装。
- 从支持站点为您的机器查找最新版本的BIOS 。
- 转到产品> Click驱动程序(Drivers)和软件 > 选择 BIOS > 在支持页面上选择您的操作系统。
- Lenovo建议用户在开始更新(Lenovo)BIOS之前关闭防病毒软件或任何防火墙。
- 从支持站点下载文件后，将其解压缩并在需要时运行相同的文件。按照屏幕上的说明进行操作。
- 提示时重新启动计算机，瞧！您的BIOS已更新。
使用 WinFLASH 更新华硕的 BIOS
要更新ASUS系统上的BIOS，您必须使用WinFLASH Utility。详细说明可在asus.com上找到。
简而言之，考虑到您的型号正确，更新BIOS是一个非常简单的过程。(BIOS)大多数最新的Windows版本（如Windows 10 ）比(Windows 10)Windows XP系统更优雅地处理更新过程。
如何查看BIOS版本 Windows 11/10？
您可以使用Windows中的命令提示符检查(Command Prompt)BIOS版本。在命令提示符(Command Prompt)窗口中，键入wmic bios，获取 smbiosbiosversion(wmic bios, get smbiosbiosversion)，然后按Enter。SMB BIOS (BIOS)BIOS Version后面的字母和数字串是BIOS版本。确保(Make)检查主板型号以在制造商网站上找到最新版本的BIOS 。
如何在BIOS或UEFI中更改(UEFI)引导设备(Boot Device)？
BIOS或UEFI提供了一个专门的部分，可以更改连接设备的引导顺序或类型。如果您需要从外部硬盘驱动器的USB驱动程序启动，您可以在此处更改顺序并保存设置。(USB)下次PC重启时，会先寻找已连接的设备，如果找到启动记录则重启；否则，它将退回到最后一个选项。
如何使用密码锁定 BIOS？
如果您不希望其他人更改设置，则在BIOS中设置密码锁是很好的。每个BIOS或UEFI都有一个安全部分，其中BIOS密码可用。也就是说，如果您忘记了密码，则需要重置密码。如果是笔记本电脑，请查看手册，但机箱后部的专用 Clear CMOS按钮可用于主板。(CMOS)重置BIOS不会造成任何主板问题，但会清除所做设置中的任何更改。
How to update BIOS on Windows 11/10 computer
BIOS is a term we have heard from quite sometimes, in fact, it’s possible that for most of your hardware issues the IT guy may have suggested a BIOS upgrade before troubleshooting the hardware. What is BIOS? BIOS is an acronym for (Basic Input Output System) and is a piece of software that goes along with the PC’s motherboard.
In a nutshell, it forms a layer of communication between the hardware and the operating system. Thus needless to say the BIOS is very crucial when it comes to the functionality of your Windows 10/8/7 computer.
Why update the System BIOS
BIOS is, after all, a piece of software that needs to be regularly updated, just to the operating system or the apps in general. The updates usually bake in enhancements and fixes, which will eventually help the software maintain its compatibility with the hardware and the software. That being said, unlike most other apps, the BIOS needs to be updated manually, which is precisely the very thing that we will be explaining in this segment.
Most do not need to or have to update the BIOS. If your computer is working properly, you do not need to update or flash your BIOS. In any case, should you wish to, we recommend that you do not try to update your BIOS yourself but instead take it to a computer technician who may be better equipped to do it. One needs to consider updating the BIOS only if you are facing some performance issues or other problems that necessitate you to update the BIOS. One needs to be careful and know how to update the BIOS; else, it could brick your entire system.
How to check your BIOS version
Before updating the BIOS, you need to check the version of BIOS from the System Information. We have already seen how to check the BIOS version. You have to type msinfo32 into the search and press Enter. Once the System Information Tool opens, you can check the BIOS version.
One can also run a command in CMD to check the BIOS version. Click on “Start Button” and press Run; once the Run box appears, type system info and then press OK. You can jot down the BIOS number and match it against the latest version from the manufacturer’s website; if needed, update it.
How to update BIOS in Windows 11/10
BIOS helps maintain the stability of your system and increases security, and tries to protect the system from any vulnerability.
Before you begin, make sure that you have power backup while upgrading the BIOS. Because if the computer turns off during the process, the BIOS may be corrupted, and you will need a technician to fix it. Your boot CD/DVD may or may not help to depend upon how the BIOS stands after a power cut or a sudden system turn off while rewriting the BIOS.
Generally speaking, to update the BIOS, visit the manufacturer’s site to download the BIOS update. Identify your product by entering the Service Tag or serial number.
- If the system shown is the wrong one, click on “View a different product” and try Browsing for a product manually. Once the correct product is chosen, go to the BIOS from the pull-down category.
- If there are multiple files listed, select the latest one by checking out the update number by clicking on “View Details.”
- Download and save the file to your desktop
- Double click on the icon, and this will reboot your system and open up a BIOS update page.
That being said, the update procedure might vary slightly from product to product. It is also worth mentioning that the OEM’s stop updating the BIOS for some of the machines after a certain period.
Read: How to reset BIOS settings to default.
Update BIOS by creating a Bootable USB
One can also download the BIOS update.EXE file to a bootable Flash drive and update the same. To do this, first, you need to head over to the official company website and download the BIOS file.
In order to create a Bootable USB Flash Drive use, Dell Diagnostic Deployment Package and the corresponding instructions are given here.
- Download the BIOS update file, which is usually .exe
- Copy the file to the bootable USB flash drive.
- Now insert the USB stick into the system on which you need to update the BIOS.
- After the reboot, press F12, ensure that the USB with BIOS is plugged in.
- Select USB Storage device from the menu and press Return
- The system will open up a command prompt
- Follow the onscreen instructions and complete the update process.
Read: How to use BIOS settings on Windows computers.
Using BIOS Update applications
This is the easiest part, and I have been using this method to update the BIOS on my HP Laptop for quite some time. The motherboard manufacturers have their own BIOS update applications, and all you need to do is press a button, and voila! The software will take care of the rest. It’s always advisable to turn off firewalls and other security software since they could meddle with the process.
All OEM manufacturers have utilities that help you easily update BIOS, firmware, and drivers. Search for yours and download it from the official site only. This is the safest way to update the BIOS.
- If you own a Dell laptop, you can head over to Dell.com or use Dell Update Utility.
- ASUS users can download the MyASUS BIOS update utility from the ASUS support site.
- ACER users can go here. Enter your Serial Number/SNID or search for your product by Model, select BIOS/Firmware, and click the Download link for the file you want to download.
- Lenovo users can use the Lenovo System Update Tool.
- HP users can use the bundled HP Support Assistant.
Updating the BIOS on HP computers
As we explained earlier, the BIOS update process is slightly different for different brands, and in order to leave no stones unturned, we will also be taking you through steps to update the BIOS for HP systems.
- Go to the HP Software & Driver Downloads web page and choose the correct Model.
- Select the operating system
- The web page will display a list of updates for your computer, and you need to check for the BIOS section. If the BIOS option is not available, it means that you are already running the latest BIOS.
- Ensure that the BIOS update is meant for your computer model. If there is some confusion, check your system information. Wrong BIOS can cause severe damage to the motherboard.
- Download the BIOS file and save it
- Disable the anti-virus and other security programs temporarily
- Double click on the BIOS file and follow the onscreen instruction
- After the installation is complete, restart the PC as prompted by the installer.
Read: How to downgrade BIOS on Windows computer.
Use Lenovo System Update to update BIOS on Lenovo laptops
If you own a Lenovo laptop, the best way to update the BIOS would be to use the Lenovo System Update supported on ThinkPad, ThinkCentre, ThinkStation, Lenovo V, B K, and E-Series. Alternatively, you can directly download the BIOS from the Lenovo support site and install the same manually.
- Find the latest version of the BIOS for your machine from the support site.
- Go to the product > Click on Drivers and Software>Select BIOS>Choose your operating system on the support page.
- Lenovo advises users to switch off the anti-virus or any firewall before starting the BIOS update.
- Once the file is downloaded from the support site, extract it and run the same if needed. Follow the onscreen instructions.
- Restart the computer when prompted to, and voila! Your BIOS is updated.
Update BIOS on ASUS using WinFLASH
To update the BIOS on ASUS systems, you will have to use WinFLASH Utility. Detailed instructions can be found on asus.com.
In a nutshell, updating the BIOS is a pretty straightforward process considering that you get the model number right. Most of the recent Windows versions like Windows 10 handle the update process much more elegantly than, let’s say, Windows XP systems.
How to check BIOS version Windows 11/10?
You can check the BIOS version using the Command Prompt in Windows. In the Command Prompt window, type wmic bios, get smbiosbiosversion, and then press Enter. The string of letters and numbers following SMBBIOSBIOSVersion is the BIOS version. Make sure to check the motherboard model to find the latest version of BIOS available on the manufacturer’s website.
How to change Boot Device in BIOS or UEFI?
BIOS or UEFI offers a dedicated section where the boot order of the connected devices or type can be changed. If you need to boot from a USB driver of an external hard drive, you can change the order here and save the settings. Next time the PC reboots, it will look for the connected devices first and reboot if it finds the boot record; else, it will fall back to the last option.
How to lock BIOS with a Password?
If you do not want anyone else to change the settings, putting a password lock in the BIOS is good. Every BIOS or UEFI has a security section where the BIOS password will be available. That said, if you ever forget the password, you will need to reset it. If it’s a laptop, check with manual, but a dedicated Clear CMOS button on the rear of the cabinet is available for motherboards. Resetting the BIOS doesn’t create any motherboard issue but clears anything change in the settings made.
