On Wed, 2023-03-29 at 06:25 +0200, mpan wrote: > For testing purposes instal the beep package and run `beep` from it. Hi, neither running beep as user, nor as root does produce audible sound. [rocketmouse@archlinux ~]$ beep beep: Error: Could not open any device [rocketmouse@archlinux ~]$ echo $? 1 [rocketmouse@archlinux ~]$ su Password: [root@archlinux rocketmouse]# beep [root@archlinux rocketmouse]# echo $? 0 [root@archlinux rocketmouse]# lsmod | grep pcspkr pcspkr 16384 0 In the meantime I noticed that the PC buzzer doesn't always work for the power-on self-test. I already sent two requests to esupport.gigabyte.com Germany. One request related to the PC buzzer issue and another, since activating CSM doesn't work. I'll report back. Regards, Ralf