Public bug reported: i don't know it just said system problem, i always have no sound though.
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 ProcVersionSignature: Ubuntu 4.10.0-28.32~16.04.2-generic 4.10.17 Uname: Linux 4.10.0-28-generic x86_64 .proc.sys.kernel.moksbstate_disabled: 0 ApportVersion: 2.20.1-0ubuntu2.10 Architecture: amd64 Date: Mon Aug 7 20:18:40 2017 EFITables: Aug 07 13:55:30 Billys-Computer kernel: efi: EFI v2.31 by INSYDE Corp. Aug 07 13:55:30 Billys-Computer kernel: efi: ACPI 2.0=0x793d5014 ESRT=0x788a7e18 SMBIOS=0x79295000 Aug 07 13:55:30 Billys-Computer kernel: esrt: Reserving ESRT space from 0x00000000788a7e18 to 0x00000000788a7e50. Aug 07 13:55:30 Billys-Computer kernel: Secure boot enabled ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationDate: Installed on 2017-07-31 (8 days ago) InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2) RelatedPackageVersions: dpkg 1.18.4ubuntu1.2 apt 1.2.19 SecureBoot: 6 0 0 0 1 SourcePackage: shim-signed Title: package shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: shim-signed (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1709672 Title: package shim-signed 1.32~16.04.1+0.9+1474479173.6c180c6-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1709672/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs