On Tue, Sep 25, 2018 at 07:29:43PM +0200, Peter Hostačný wrote: > Hello there, > > there is quite a big trouble around few specific keyboards that are > not working in Linux. > I personally have "Lenovo Professional Wireless Keyboard and Mouse > Combo 4X30H56803" > The keyboard is not working, mouse is. There is a lot of information > spread across multiple threads of many sites. Issue is described quite > well in many of them. > > - https://askubuntu.com/questions/897729/lenovo-professional-wireless-keyboard-and-mouse-combo-not-working-in-ubuntu?noredirect=1&lq=1 > - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1771431 > - https://bugzilla.kernel.org/show_bug.cgi?id=197787 > - https://unix.stackexchange.com/questions/377830/linux-hid-driver-for-primax-wireless-keyboards/377873#377873 > - https://forums.lenovo.com/t5/Linux-Discussion/Professional-Wireless-Keyboard-not-working-on-Linux/td-p/3726486 > > Could you please have a look at it? I will be glad to provide any > information if needed. You might want to post this to the linux-input@xxxxxxxxxxxxxxx list. If one portion of the device is working, odds are it's not a USB problem, but rather a HID issue. thanks, greg k-h