TPM 或可信平台模块^{(TPM or Trusted Platform Module)}是主板上的安全芯片，用于存储所有密码和安全相关数据。如果您收到错误消息Alert! TPM Device Is Not Detected，那么这篇文章将帮助您解决问题。

在我们继续之前，您需要确保TPM在您的 PC 上可用。旧^(Old) PC^(PCs)可能没有该模块。检查的正确方法是查看UEFI/BIOS Security设置。

警报！未检测到 TPM 设备

这些建议涉及更新BIOS和安装驱动程序。确保您知道自己在做什么，或者寻求知道的人的帮助。

1. 从 BIOS 启用 TPM
2. 更新 BIOS
3. 重新安装可信平台模块^{(Trusted Platform Module)}驱动程序

如果TPM 丢失或未显示在 BIOS 中，请遵循这些建议。您还需要一个管理员帐户。

1] 从 BIOS 启用 TPM

如果在BIOS和Windows或软件检查^(Windows)TPM中禁用 TPM ，它将引发此错误。启用BIOS很容易，但它会因OEM而异^(OEM)。但是，它通常在“安全^(Security)”部分下可用。

2]更新BIOS或UEFI

OEM  会不时提供updates to the BIOS/UEFITPM检测突然失败，则需要更新它。

大多数现代PC^(PCS)现在都提供无需进入BIOS即可更新^(BIOS)BIOS的软件。如果这不可行，您将需要查看主板^{(Motherboard)}手册以通过USB驱动器和UEFI或BIOS对其进行更新。

还建议断开电源或电池并保持这种状态。30^{(Post 30)}秒后，您可以重新启动，TPM现在应该可以工作了。

阅读^(Read)：使用戴尔更新实用程序下载或更新戴尔驱动程序^{(Download or Update Dell Drivers using Dell Update utility)}。

3]重新安装可信平台模块驱动程序^{(Reinstall Trusted Platform Module Driver)}

TPM 驱动程序也可以使用设备管理器^{(Device Manager)}和Windows 可选更新进行更新^{(Windows Optional Update)}。跟着这些步骤：

• 使用Win + X打开电源菜单^{(Power Menu)}，然后单击设备管理器^{(Device Manager)}
• ^(Locate)在安全^(Security)下找到可信平台模块^{(Platform Module)}
• 右键单击它，然后单击更新驱动程序^{(Update Driver)}，然后单击自动搜索驱动程序^(Search)
• 下一个屏幕将提示您在Windows Update^{(Windows Update)}上搜索更新的驱动程序。
• 这将打开Windows Update，然后您可以导航到Advanced Options > Optional updates
• 检查是否有可用的驱动程序更新。如果是，则更新TPM驱动程序。

我可以将 TPM 添加到我的计算机吗？

外部TPM模块很常见，只是在^(TPM)Windows 11要求它之前它并不流行。是的，您可以在外部添加TPM，价格低至 50 美元。发布后，您必须确保Windows和BIOS/UEFI能够识别它。

阅读^(Read)：BIOS 更新后无法初始化 TPM。

如果我启用 TPM 会发生什么？

即使启用TPM也不会发生任何事情。这是一个其他人可以使用的平台。因此，如果您使用的是Bitlocker，该软件可以选择将所有密码保存在其中。所以如果你担心你会丢失你的文件，一切都会被加密，那就不要了。Windows也将照常启动。

我希望这篇文章能帮助您解决Windows PC上的TPM 设备^{(TPM Device)}未检测到错误。

Fix Alert! TPM device is not detected error on Dell computers

TPM or Trusted Platform Module is a security chip on the motherboard which stores all passwords and security-related data. It offers hardware-based, security-related functions if you are receiving an error message Alert! TPM Device Is Not Detected, then this post will help you resolve the problem.

Before we go ahead, you need to make sure if TPM is available on your PC. Old PCs may not have the module. The right way to check is to look into UEFI/BIOS Security settings.

Alert! TPM device is not detected

These suggestions involve updating BIOS and installing drivers. Make sure you know what you are doing or take the help of someone who knows it.

1. Enable TPM from BIOS
2. Update BIOS
3. Reinstall Trusted Platform Module driver

If TPM is missing or not showing in BIOS, follow these suggestions. You will also need an administrator account.

1] Enable TPM from BIOS

If TPM is disabled in the BIOS and Windows or software checks for it, it will throw this error. Enabling BIOS is easy, but it will vary from OEM to OEM. However, it is usually available under the Security section.

2] Update BIOS or UEFI

OEM offers updates to the BIOS/UEFI  from time to time, and if the TPM detection has failed all of a sudden, then you need to update it.

Most of the modern PCS now offer software that can update the BIOS without going into the BIOS. If that’s not possible, you will need to check with the Motherboard manual to update it via a USB drive and through the UEFI or BIOS.

It is also recommended to disconnect the power supply or battery and keep it that way. Post 30 seconds, you can reboot, and TPM should work now.

Read: Download or Update Dell Drivers using Dell Update utility.

3] Reinstall Trusted Platform Module Driver

TPM Drivers can also be updated using the Device Manager & Windows Optional Update. Follow these steps:

• Open Power Menu using Win + X, and then click on Device Manager
• Locate Trusted Platform Module under Security
• Right-click on it, and click on Update Driver and click on Search automatically for drivers
• The next screen will then prompt you to search for updated drivers on Windows Update.
• This will open Windows Update, and you can then navigate to Advanced Options > Optional updates
• Check if there is a driver update available. If yes, then update the TPM drivers.

Can I add a TPM to my Computer?

External TPM modules are common, except that it wasn’t popular until Windows 11 made it a requirement. Yes, you can add TPM externally, and they are available for as low as $50. Post that, you will have to make sure Windows and BIOS/UEFI recognizes it.

Read: The TPM could not be initialized after BIOS update.

What happens if I enable TPM?

Nothing will happen even if you Enable the TPM. It’s a platform that others can use. So if you are using Bitlocker, the software can choose to save all passwords inside it. So if you are worried that you will lose your files, everything will be encrypted, then don’t. Windows will also boot as usual.

I hope the post has helped you resolve the TPM Device Is Not Detected error on Windows PC.

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