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Can you install Ubuntu 20.04 on a Dell Optiplex 5080 SFF

Asked by peterzay

I am getting the following errors:

initramfs unpacking failed
tpm_try_transmit: send(): error -5
tpm tpm0: [Firmware bug]: tpm interrupt not working, polling inst
ima: error communicating to tpm chip <== this appears 8 times
unable to find a medium container a live file system
attempt interactive netboot from a URL?
yes no (default yes).

Can you help?

Thanks.

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actionparsnip (andrew-woodhead666) said : 		#1

Is tpm enabled in the BIOS?

Source
https://askubuntu.com/questions/1178285/how-to-solve-ima-error-communicating-to-tpm-chip-messages-during-boot

Seems to be related to secure boot. If Ubuntu will be the only OS on the system then simply disable it as well as UEFI and you'll have an easier installation.

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peterzay (peterzay) said : 		#2

TPM is enabled in the BIOS.

Secure boot is easy to disable.

UEFI has no obvious disable setting.

Here is what the BIOS has for UEFI:

In the General section of BIOS, there is an entry for UEFI Boot Path Security.
This is an admin password related facility.

In the Security section of BIOS, there is an entry for UEFI Capsule Firmware Updates.
Disabling this option will block BIOS updates from Windows Update and Linux Vendor Firmware Service (LVFS).

There are no other explicit mentions of UEFI in the entire BIOS.

So how do you disable UEFI?

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peterzay (peterzay) said : 		#3

Dell tech support claim that the BIOS of this machine does not have legacy settings.

Please close this question.

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actionparsnip (andrew-woodhead666) said : 		#4

It's your question to close

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