Latitude 7320 can't update TPM

Question

Hi there

I'm in a bit of a bind and can't update the tpm firmware on this laptop.

I get the error "The update image is not for this system" and on following the Dell article, I still can't do it.

In the bios, enabling the tpm doesn't last longer than a reboot. It keeps switching off.

I can't update tpm in Windows and as there is no legacy boot, I can't boot to a boot disk and update from there either.

The article suggests I get in touch with Dell support.

Any thoughts on how to get this TPM firmware updated please?

Thanks

ejn63 · Answer

Is this a 7320 or a 7320 2-in-1?

anne_droid · Answer

Hi

The DELL reference I found is as follows ............

To update the TPM firmware on a Dell Latitude 7320, follow these key steps:

Ensure the TPM is enabled and not owned in BIOS. If TPM is owned (in use by Windows), clear the TPM ownership from BIOS first.
Suspend BitLocker encryption if enabled on the system.
Download the latest Dell TPM 2.0 Firmware Update Utility from the Dell support site corresponding to the Latitude 7320.
Run the TPM update utility from Windows or DOS environment. The system will restart automatically during the update process.
After update, reboot and enter BIOS, verify TPM is enabled and check version.
Reactivate BitLocker if it was suspended.

Important notes:

TPM ownership must be cleared before updating, else the update will fail.
The TPM update utility is typically found under the Security category on the Dell Drivers & Downloads page for the Latitude 7320.
Updating TPM updates firmware to TCG 1.59 with security enhancements.
If the TPM option is missing or problems occur, update BIOS to the latest version and check TPM settings carefully.
Automating TPM update is possible with Dell Command Configure tools in enterprise environments.
Do not update TPM firmware with the laptop unplugged or with insufficient power as this can cause failure.

This approach aligns with Dell's official TPM update procedures and includes clearing TPM ownership in BIOS, running the update utility, and verifying results afterward.

Peelx · Answer

Standard 7320..

I've been following the Two Dell options to update it, but neither work or are possible.

As mentioned, enabling TPM in the Bios is cleared when the laptop is rebooted. So windows doesn't see it (that's why update doesn't work).

I don't know why they got rid of Legacy boot.. I could have updated it that way. 🙄😦😦

ejn63 · Answer

This sounds very much like a faulty TPM chip, but you can make a bootable UEFI flash drive using Rufus and try that way. If that doesn't solve the problem, it will be time for a replacement system board.

Peelx · Answer

Thanks. Yeah, doesn't sound good. What do uou choose in Rufus to make one please? I had a go but it didn't seem to want to boot to it.

ejn63 · Answer

Select GPT as your partition structure and UEFI/Non-CSM as your target.

You also need to use an ISO that's UEFI-compliant (such as a Windows 10 or 11 install media made with the MS Media Creation tool).

Maxd1 · Answer

If all else fails I suggest you do a complete backup/copy of your system/data and review this learned post:

https://pureinfotech.com/enable-tpm-2-0-bios-windows-11/

PS I would check the device manager's TPM-related drivers.

Peelx · Answer

To do that I need to be able to enable it in the BIOS. I think this laptop is stuffed. Thanks all 👍

richerd-alexa · Answer

If the TPM won’t stay enabled in BIOS, that usually means the chip isn’t holding its state, which is why the update keeps failing. You can still try creating a GPT + UEFI (non-CSM) bootable USB with Rufus using a Windows 10/11 ISO and run the update that way. But if TPM keeps switching off after every reboot, it’s most likely a failing TPM chip or system board, and Dell support is usually the only real fix.

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Latitude 7320 can't update TPM

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