Le 2021-02-20 13:08, Bart Martens a écrit : > On Sat, Feb 20, 2021 at 12:02:52PM +0100, Vincent Blut wrote: > > Hi Bart, > > > > Le 2021-02-20 09:32, Bart Martens a écrit : > > > Package: installation-reports > > > > > > Boot method: usb stick > > > Image version: firmware-bullseye-DI-alpha3-amd64-netinst.iso > > > Date: 20 feb 2021 > > > > > > Machine: Acer A515-56G-71RB NX.A1MEH.002 > > > > What kernel version is in use? > > AFAIR, DI alpha 3 is based on Linux 5.9 which > > is quite old now. > > Kernel version 5.10.13-1. > > DI alpha 3 is the most recent advertized here: > https://www.debian.org/devel/debian-installer/ > > > Did you install firmware-sof-signed from non-free? This is required for some > > audio functionality on recent Intel systems. > > I've installed it now. It does indeed solve the sound issue, thank you very > much. Good to know! The need for (signed) Intel SOF firmware on some systems should probably be documented in Bullseye's release notes. Regarding your fan running noisily, see if installing and tweaking 'thermald' improves the situation. > Cheers, > > Bart Have a good day, Vincent
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