It a fresh install of raspbian (10 buster) on a Raspberry PI4B. I use a Logitech K400. the keyboard and mouse are discovered at boot. But the touchpad does not go to the right end of the screen, it stops about 5 centimeters!
I cannot use some control! I have created /etc/modprobe.d/hid_logitech_hidpp.conf with options hid_logitech_hidpp disable_raw_mode=1 ...no idea more, help please!

1 Answer 1


I know it's late but my Logitech K400r worked on a fresh install after I turned on the keyboard and installed fresh batteries Duh

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