laptop not working for t480

NitroPad Troubleshooting Summary for Nitrokey Support

Customer reports NitroPad purchased directly from Nitrokey.

Observed during troubleshooting:

  • Laptop has never successfully booted since arrival.
  • Heads version 2.6.3.
  • NVMe SSD detected and partitions present.
  • Ubuntu installation appears intact.
  • /boot contains kernel and initrd files.
  • HOTP/TOTP checks succeed.
  • GPG key is present in keyring.

Key errors observed:

  • “gpg: no default secret key: Unusable secret key”
  • “gpg: signing failed: Unusable secret key”
  • “ERROR: /boot: Unable to sign kexec hashes”
  • “Invalid signature on kexec boot params”
  • “key was created 15915 days in the future”
  • “Hash of TPM2 primary key handle does not exist”

Additional notes:

  • Update checksums/signing operation failed.
  • User does not know the LUKS passphrase.
  • TPM reset, re-ownership, factory reset, and key replacement were not performed.
  • System clock appeared reasonable (2026-06-05 UTC) during troubleshooting.

Request:
Please advise on recovery steps or whether the unit requires repair/replacement.see all the problems in this ChatGPT linkhttps://chatgpt.com/share/6a2375e8-b448-83ea-881f-f204006454b0

Hello, you probably need to do a factory reset:

Also note with Ubuntu and Heads: