Try Googling Dell missing TPM device.

did it already, didnt find any solution.

Hello,

What does dell support have to say?

Hello,

I also have the same problem in my Vostro 15 5568:

Guaranty finished on Dec/19

Error was suddently reported on march 23 2020 without any Dell SW upgrade done (only Windows 10 Home automatic updates)

No TPM nor PTT option is now o BIOS (I don't know if it was previously).

No TPM device present if tpm.msc runned in Windows

No TPM device present in devide administrator in Windows (neither under security nor system)

I tryed the showed trick by someone of shutdown>unplug power cord>wait 30 secs>power on without clear success, I explain: it looks like the trick is related to some strange behaviour related to the BIOS Dell Suppor Assist SW. If the boot process bypas Support Assist, there is no TPM warning: for example if you boot by

Power on>F12>UEFI Boot>Windows Boot Manager

Then, the system boot correctly without the TPM warning

I hope some Dell staff member could help us:

- Should it be due to some Dell Support Assist upgrade or bug?

- Does the Dell Vostro 15 5568 was originaly shipped with or without TPM?

Regards,

so after reading a lot online, as far as i know our laptop came without TPM device.

once we upgraded our BIOS this message came, the new BIOS check if there is TPM on the system but there is a lot of computers without TPM at all!

i tried to downgrade the BIOS with no success (versions not supported)

i think we need to wait for DELL to release BIOS update/repair for this

they haven't reach me yet.

same notebook and same problem

Hi. You can recover the old bios version by:

- power off and disconnect AC

- press and hold Ctrl-Esc

- connect AC

- release keys

Recovery tool come up and you can revert to previous bios version.

It solved for me.

if you see in dell vostro 5568 owner's manual you will see everything about tpm that means notebook is shipped with tpm. acutually i am also facing this problem and downgrading the BIOS does not work for me.