Public bug reported: Upgraded from 16.04 LTS to 18.04 LTS main speaker output no longer works. headphone socket on front of PC works ok.
Tried the tips in #1770429 with no effect. Clean install with format, with no options or changes implemented. I tried to compile the latest alsa driver from the alsa project but the system objected with 'patch not installed' even it was installed..... The system is: Manufacturer: NOVATECH LTD Product Name: PC-X002115 Product Version: V1.0 Firmware Version: F8 Board Vendor: Gigabyte Technology Co., Ltd. Board Name: Z97M-D3H Description: Ubuntu 18.04.1 LTS Release: 18.04 Kernel release: 4.15.0-32-generic Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.15.0-32-generic Library version: 1.1.3 Utilities version: 1.1.3 with a 128G SSD and 1T HDD. ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1787570 Title: 18.04 loudspeaker not working headphones ok To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1787570/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs