Hi > Removing /etc/X11/xorg.conf.d/20-intel.conf fixes the issue. Since this is not a file that is normally shipped with Debian - at least I don't see it in the archive - I guess it has been created by you. In this case, I guess the bug should be closed. Best Norbert -- PREINING Norbert https://www.preining.info Fujitsu Research Labs + IFMGA Guide + TU Wien + TeX Live + Debian Dev GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13