I'm having the same problem. Once I could barely se some atoms (extremely dark gray on black). Changed the background color to light gray, but to no avail. Here's my output:
rasmus@rasmus-Lenovo-Z710:~$ avogadro "Avogadro version: 1.1.1 Git: LibAvogadro version: 1.1.1 Git: " Locale: "nb_NO" Translation successfully loaded. System has OpenGL support. About to test OpenGL capabilities. OpenGL capabilities found: Double Buffering. Direct Rendering. Antialiasing. void DBusMenuExporterPrivate::addAction(QAction*, int): Already tracking action "" under id 62 void DBusMenuExporterPrivate::addAction(QAction*, int): Already tracking action "" under id 63 Loading plugins: "/usr/bin/../lib/avogadro/1_1" Searching for plugins in "/usr/lib/avogadro/1_1" Searching for plugins in "/usr/lib/avogadro/1_1/colors" Searching for plugins in "/usr/lib/avogadro/1_1/engines" Searching for plugins in "/usr/lib/avogadro/1_1/extensions" Searching for plugins in "/usr/lib/avogadro/1_1/tools" Loading plugins: "/home/rasmus/.avogadro/1_1/plugins" Settings are missing for the next engines: () QStackedLayout::setCurrentWidget: Widget 0x55bb862338e0 not contained in stack dev warning: Extension "GAMESS" is using a deprecated DockWidget loading method. See Extension::dockWidgets() documentation. dev warning: Extension "Orbitals" is using a deprecated DockWidget loading method. See Extension::dockWidgets() documentation. dev warning: Extension "Python-terminal" is using a deprecated DockWidget loading method. See Extension::dockWidgets() documentation. dev warning: Extension "Vibrasjon" is using a deprecated DockWidget loading method. See Extension::dockWidgets() documentation. GLWidget initialisation... GLSL support enabled, OpenGL 2.0 support confirmed. GLWidget initialised... createObjects() OpenGL extension GL_ARB_texture_rectangle is present. libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: cHRM: invalid chromaticities Chromaticities? Please help! -r :-) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1640171 Title: Molecules are not rendered, black screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/avogadro/+bug/1640171/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs