@MrWulf: this was a hint I was looking for. I uninstalled the ndiswrapper-package und build it on my own. for me the keyboard seems to work fine. A little bit more testing is still needed but so far... thank you
-- keyboard very unresponsive / often missing keypresses https://launchpad.net/bugs/63147 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs