On 2023-06-04 10:20, attilio semenzato wrote:

Hi Matt. No problem for slow response; I'm not in a hurry and this is my favourite condition to learn. Well, I'm embarassed but....I'm not able to understand which device corresponds to my touchpad. Here, in sequence, the outputs of $ lspci -v $ lsusb $ cat /usr/src/linux*/kernel/config_data separated by star lines like this: ********************************************** Thanks Attilio

Hrmm, none of that stands out as an obvious device. What specific manufacturer and model is the laptop? Regards, Matt