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Fix Alert Tpm Device Is Not Detected Error On Dell Computers

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. 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 ManagerLocate Trusted Platform Module under SecurityRight-click on it, and click on Update Driver and click on Search automatically for driversThe 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 updatesCheck 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.

Исправить предупреждение! Ошибка устройства TPM не обнаружена на компьютерах Dell

TPM или Trusted Platform Module (TPM or Trusted Platform Module) — это микросхема безопасности на материнской плате, в которой хранятся все пароли и данные, связанные с безопасностью. Он предлагает аппаратные функции, связанные с безопасностью, если вы получаете сообщение об ошибке Alert! TPM Device Is Not Detected , тогда этот пост поможет вам решить проблему.

Прежде чем мы продолжим, вам нужно убедиться, что TPM доступен на вашем ПК. На старых (Old) ПК (PCs) может не быть модуля. Правильный способ проверки — заглянуть в настройки UEFI/BIOS Security .

Тревога! Устройство TPM не обнаружено

Эти предложения включают обновление BIOS и установку драйверов. Убедитесь, что вы знаете, что делаете, или обратитесь за помощью к тому, кто это знает.

1. Включить TPM из BIOS
2. Обновить БИОС
3. Переустановите драйвер доверенного платформенного модуля . (Trusted Platform Module)

Если TPM отсутствует или не отображается в BIOS , следуйте этим советам. Вам также потребуется учетная запись администратора.

1] Включить TPM из BIOS

Если TPM отключен в BIOS и Windows или программное обеспечение проверяет его, будет выдана эта ошибка. Включить BIOS легко , но это зависит от OEM . (OEM) Однако обычно он доступен в разделе « Безопасность (Security) ».

2] Обновите BIOS или UEFI

OEM время от времени предлагает updates to the BIOS/UEFITPM внезапно не удалось, вам необходимо обновить его.

Большинство современных ПК (PCS) теперь предлагают программное обеспечение, которое может обновлять BIOS , не заходя в BIOS . Если это невозможно, вам необходимо обратиться к руководству по материнской (Motherboard) плате, чтобы обновить его через USB -накопитель и через UEFI или BIOS .

Также рекомендуется отключить источник питания или аккумулятор и оставить их в таком состоянии. Через 30 (Post 30) секунд вы можете перезагрузиться, и теперь TPM должен работать.

Прочтите (Read) . Загрузите или обновите драйверы Dell с помощью утилиты Dell Update (Download or Update Dell Drivers using Dell Update utility) .

3] Переустановите драйвер доверенного платформенного модуля. (Reinstall Trusted Platform Module Driver)

Драйверы TPM также можно обновить с помощью диспетчера устройств (Device Manager) и дополнительного обновления Windows (Windows Optional Update) . Следуй этим шагам:

• Откройте меню питания (Power Menu) с помощью Win + X , а затем нажмите «Диспетчер устройств». (Device Manager)
• Найдите (Locate) доверенный платформенный модуль (Platform Module) в разделе « Безопасность ». (Security)
• Щелкните его правой кнопкой мыши, выберите « Обновить драйвер» (Update Driver) и нажмите «Автоматический поиск драйверов». (Search)
• На следующем экране будет предложено выполнить поиск обновленных драйверов в Центре обновления Windows (Windows Update) .
• Откроется Центр обновления Windows (Windows Update) , после чего вы сможете перейти в « Advanced Options > Optional обновления ».
• Проверьте, доступно ли обновление драйвера. Если да, то обновите драйверы TPM .

Могу ли я добавить TPM на свой компьютер?

Внешние модули TPM распространены, за исключением того, что они не были популярны, пока (TPM) Windows 11 не сделала их обязательными. Да, вы можете добавить TPM извне, и они доступны всего за 50 долларов США. После этого вам нужно будет убедиться, что Windows и BIOS/UEFI распознают его.

Чтение (Read) : Не удалось инициализировать TPM после обновления BIOS .

Что произойдет, если я включу TPM?

Ничего не произойдет, даже если вы включите TPM . Это платформа, которую могут использовать другие. Поэтому, если вы используете Bitlocker , программное обеспечение может сохранить все пароли внутри него. Так что если вы переживаете, что потеряете свои файлы, все будет зашифровано, то не надо. Windows также загрузится в обычном режиме.

Я надеюсь, что этот пост помог вам устранить ошибку TPM Device Is Not Detected на ПК с Windows .

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.

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.

Елена Булгакова

About the author

Я инженер-программист и эксперт по Windows 10. У меня более двух лет опыта работы со смартфонами, Windows 10 и Microsoft Edge. Моя основная задача — сделать так, чтобы ваши устройства работали лучше и быстрее. Я работал над различными проектами для таких компаний, как Verizon, IMac, HP, Comcast и многих других. Я также являюсь сертифицированным инструктором по обучению работе с облачными технологиями Microsoft Azure.

TPM device is not detected on Dell Laptop

If I go into the BIOS System Logs > BIOS Events, I see this same event over and over from every time the laptop is turned on.

Its does let me continue to boot into Windows but then BitLocker encryption is suspended on the C: drive and the TPM is not listed in Device Manager.

The BIOS was already up to date but I’ve tried downloading it from the Dell website again and reflashing the the BIOS but its still the same.

Any ideas guys or has the TMP chip just failed? If so is this something Dell could repair or would it be a whole motherboard replacement?

MB13977

Enter to win a SpiceRex Bobblehead

17 Replies

Briser_fae_the_broch

Can you try opening an administrator cmd prompt and typing tpm <enter>

You should see something like this:

Da_Schmoo

Maybe this can be an option?

Eric7615

Stupid question is it enabled in BIOS?

OP MB13977

Thanks for the replies guys.

Briser_fae_the_broch ​ when that loads it says ‘Compatible TPM cannot be found’.

Da_Schmoo ​ If I try the update TMP firmware options I get ‘Error: The System TMP Query Failed, Aborting’ then ‘Error: Unable to prepare the TPM update payload’. I’ve tried re-flashing the whole BIOS like it says but then cant see any BIOS settings in the BIOS.

Eric7615 ​ I cant see any options for it in the BIOS, but I have tried resetting the BIOS settings to default.

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Briser_fae_the_broch

OP MB13977

Briser_fae_the_broch ​ No its for Widows 10, its a Dell Latitude 3580 probably about 3 years old. Its worked fine up until now and the C: drive has always been encrypted with BitLocker.

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Eric7615

You go to the BIOS settings and then security. You will want to make sure TPM 2.0 is on, Make sure that Attestation Enable is on, Key Storage Enable is on and SHA-256 is on. If any of those is off it will not work.

OP MB13977

Eric7615 ​ If I go to the BIOS settings and then security there are no settings for TPM. Its like it doesn’t detect the TPM at all which is why I suspect the TPM chip has likely failed.

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• Eric7615

PCC Bob

You’ll may need to start a chat with Dell Support and get the motherboard replaced. I’ve had a few laptops and desktops in the enterprise which exhibited the same behavior — TPM simply disappeared from the bios settings. Dell replaced the motherboards in those that could not be resolved with bios upgrade or TPM utilities.

Eric7615

Then yeah motherboard replacement time.

• check 35 Best Answers
• thumb_up 167 Helpful Votes

So if non of the advised techniques works then the conclusion is that any chip can fail and that includes the TPM one. It maybe that Dell will assist you but I suspect that they may want to just fit a new motherboard for which, depending on the support contract, you will have to pay. Check your state with the Service tag.

It may be better to just cut your loses and replace the laptop as the cost of repair could be more than its worth. The resell value of the laptop with a dead TPM is still likely to be good. Plenty of users don’t need a TPM chip.

Smitty74

We have Dell 5480’s and 5490’s that have the same issue. They are out of warranty and have never been fixed. We still use some of them with a passcode instead of a pin at startup.

This most likely doesn’t have TPM 2.0, maybe 1.2 instead. Just FYI.

OP MB13977

egp_dave wrote:

This most likely doesn’t have TPM 2.0, maybe 1.2 instead. Just FYI.

No its not that because it has worked for years and just stopped.

You don’t need to replace the motherboard it is just some kind of firmware issue. I am also trying to find the solution, it is now all over the internet.

Could not try it yet but found this:

Then, I shut the laptop down, unplugged the power, press and hold Ctrl + Esc, and plug adapter back in while holding those keys. That performs some sort of BIOS or CMOS reset. I also selected to reset to BIOS defaults on the screen that appears. After doing all that, Windows recognized my TPM again, and Bitlocker works.

The Ctl Esc and power disconnect procedure fixed the problem on an Optiplex desktop PC. Yeah!

I was trying to enable Bitlocker on a Dell Optiplex 5060. I got this error «TPM device is not detected» in a Dell Optiplex 5060 after doing the Dell Command Updates. To fix this issue I had to shut down the computer unplug the power wait 30 seconds and power the computer back on. Then the TPM setting showed up in the BIOS. Simple fix but didn’t try the power down until I saw Pimiento pappkaroly’s post, thanks.

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How to Fix TPM Device is not Detected?

The error message “Alert! TPM device is not detected” appears when you are trying to boot up your Dell laptop. TPM or Trusted Platform Module is a chip that is essentially used for carrying out cryptographic operations in a system. The function of the TPM chip is to secure the hardware of your machine through integrated cryptographic keys. The error message may seem a bit weird especially if you have not used any TPM functionalities on your system. In some cases, you may even be able to boot into your system after seeing the error message on your screen, but regardless, it is concerning.

Alert! TPM Device is not Detected

As it turns out, when you stumble upon the error in question, if you are using any BitLocker functionalities offered by Windows to encrypt a partition on your system, it won’t work. This is because of the fact that BitLocker makes use of the TPM chip on your board to encrypt and decrypt the data you want it to. A simple fix users usually think of when they face this issue is to simply disable TPM from their BIOS settings. However, that won’t work because the TPM option disappears from the BIOS menu and so you won’t be able to turn it off. Plus, if you are using BitLocker on your system, you wouldn’t want to disable it in the first place.

So what’s essentially causing this issue? The most apparent reason would be your BIOS firmware, of course. If you have recently updated your BIOS firmware, or even in some cases, if you haven’t updated it, it can cause the issue. It goes both ways and thus, you will have to look at both sides of the coin to get the issue resolved. With that said, let us get into the different workarounds that you can make use of to completely get rid of the error in question.

Disconnect Laptop’s Battery

The first thing that you should try out after facing the “TPM device is not detected” error message is to remove the battery from your laptop. This has been reported by several users who were facing the similar issue and disconnecting the laptop’s battery has reportedly solved the issue for them. When you remove the battery from your laptop, the board will reset and you will have a fresh start upon plugging it back in.

Unplugging Laptop Battery

To do this, simply disconnect the battery from your laptop and then let it sit for a few seconds. After a couple of seconds, plug the battery back and boot up your laptop to see if the issue persists.

Update Firmware

If reconnecting your laptop’s battery does not fix the issue for you, there is a good chance that the issue is being caused by your laptop’s firmware. This can usually happen when you haven’t updated your BIOS firmware for quite a while. If you are already running the latest firmware version, you may skip this and jump to the next solution. In such a scenario, you will have to look up for any firmware updates for your model, download them and then get it installed. To do this, follow the instructions down below:

1. First of all, head to the official website for Dell’s Drivers and Downloads by clicking here.
2. Once there, you have one of two options. You can either use the Dell SupportAssist utility to auto-detect any outdated drivers on your system and have them installed. To do this, simply click on the Download & Install SupportAssist option and then follow the on-screen prompts. Downloading Dell SupportAssist Utility
3. Alternatively, if you have your laptop’s model or product ID and just wish to update the firmware, you can manually search for it and then download the latest version available. To do this, enter your device’s model or product ID in the search field provided and hit Enter.
4. On the next page, click on the Find drivers option in front of Manually find a specific driver text. Manually Finding Dell Drivers
5. Choose your appropriate operating system and look for any firmware updates. Download the driver and then follow the on-screen prompts to finish installing the update.
6. Once you are done, reboot your system to see if the issue has been patched.

Reset BIOS Defaults

As it turns out, for some users the issue was caused after they performed a firmware update on their respective system. If you stumbled upon the error message after getting a firmware update, then it could be that the update might not have been fully compatible for you. This can happen when you use the auto-detect utility from Dell that updates all of your drivers. In such a case, you will have to reset your BIOS to its original settings to get rid of the issue in question. To do this, follow the instructions down below:

1. First of all, make sure that your laptop is powered off. Also, make sure that your laptop is plugged in. If it is, go ahead and unplug it.
2. After that, hold down the ESC and CTRL keys. While holding both of these keys down, plug in the power cable and hit the power button on your laptop.
3. Once the laptop starts to boot up, you can release the ESC and CTRL keys.
4. You will be taken to a BIOS page. Here, choose the Roll Back BIOS option to go back to the defaults.
5. Once you have done all that, wait for your system to reboot. At this point, Windows should be able to recognize your TPM chip and you should be good to go.