On 11/02/2021 10:04, Long Wind wrote:
here is Ubuntu's kernel, according "uname -a" Linux zhou-Lenovo 4.15.0-45-generic #48~16.04.1-Ubuntu SMP Tue Jan 29 18:03:19 UTC 2019 i686 i686 i686 GNU/Linux it's built from stretch/sid according its /etc/debian_version i don't know how to find out firmware, i guess it uses same as debian they say ubuntu is more user-friendly and i know less details
You are using 32-bit Ubuntu and Debian on 64-bit processor. Why? Ubuntu uses kernel 4.15. Debian uses kernel 4.9, much older. This could be source of your problem. -- Kind regards, pioruns2020