https://bugs.kde.org/show_bug.cgi?id=356225
--- Comment #90 from jamese <james.el...@gmail.com> --- I installed the Neon (dev/stable) packages on top of a Kubuntu 16.04 install to see if this happens and it does: Info Centre says: KDE Plasma version: 5.6.3 KDE FW version : 5.21.0 Qt : 5.5.1 Kernel 4.4.0-21-generic Yesterday evening I had my laptop running with a panel on the bottom of the Laptop screen and a panel each at the top of the two external screens. Instead of unplugging the externals screens I disabled both external screens and made sure my Laptop screen was Primary, then unplugged the Displayport cable. This morning I plugged in the cable and signed into KDE. The displays didn't activate so I bought up Display Configuration, the screens were greyed out, so I enabled them and set them to the correct resolution and position. The displays came up, which was great, but the panel from the bottom of the laptop screen appeared on the bottom of the left external screen, the laptop screen then had no panels, the right external screen had one and the left external screen had a panel at the top and the bottom. Trying to dragging the bottom panel on the external left screen to the Laptop screen in Panel Settings > Screen Edge causes the panel to disappear. Neon is apparently dropping Qt 5.6 into the dev edition soon so it'll be interesting to see if this behaviour changes with a Qt upgrade. -- You are receiving this mail because: You are watching all bug changes.