<html> <head> <meta content="text/html; charset=windows-1252" http-equiv="Content-Type"> </head> <body bgcolor="#333333" text="#FFFFFF"> Thanks Ralf, I tried those, but no joy. I decided to reinstall xubuntu 16.04. Thank you for your help. John <div class="moz-cite-prefix">On 10/05/16 22:26, Ralf Mardorf wrote: </div> <blockquote cite="mid:20160510162649.6478b87d@archlinux.localdomain" type="cite"> <pre wrap="">On Tue, 10 May 2016 21:58:05 +0800, linux1 wrote: </pre> <blockquote type="cite"> <pre wrap="">Unfortunately I couldn't find any way to change the xfce-keyboard-shortcuts. </pre> </blockquote> <pre wrap=""> Ctrl+Alt+F1, F2, F3, ..., switch to n-th virtual console are X11 keyboard shortcuts. This might help to find something that possibly disables the shortcuts: <a class="moz-txt-link-freetext" href="http://askubuntu.com/questions/357039/disable-virtual-consoles-tty1-6">http://askubuntu.com/questions/357039/disable-virtual-consoles-tty1-6</a> </pre> </blockquote> </body> </html>