Quote Originally Posted by yuhuihu View Post
When I connected my Logitech wireless keyboard and mouse (MK235), the mouse worked well, but the keyboard did not work well. Looks like the connection is weak as the delay response was very significant. I tried to connect them to Windows system, everything was fine. I could not find the driver for linux on Logitech website. Please advise. Thanks.
Have you tried updating the logitech receiver firmware;

fwupdmgr get-devices
fwupdmgr update