I got the same error after upgrading from Ubuntu 19.04 to Ubuntu 19.10 on my Asus M32CD4-K desktop computer. Disabling TPM or Secure boot fixes the problem.
I got the same error after upgrading from Ubuntu 19.04 to Ubuntu 19.10 on my Asus M32CD4-K desktop computer. Disabling TPM or Secure boot fixes the problem.