Falls jemand Zeit findet, mir zu helfen:
ob folgende Details helfen:
Habe Gnome-tweak-tool erneut installiert.
Beim Aufrufen über den Terminal erhalte ich folgende Meldung:
wolfram@wolfram-silent:~$ gnome-tweak-tool
CRITICAL: Error parsing schema org.gnome.shell (/usr/share/glib-2.0/schemas/org.gnome.shell.gschema.xml)
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/gtweak/gsettings.py", line 45, in __init__
summary = key.getElementsByTagName("summary")[0].childNodes[0].data
IndexError: list index out of range
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
(gnome-tweak-tool:3610): Gtk-CRITICAL **: gtk_widget_get_preferred_height_for_width: assertion `width >= 0' failed
Diese Meldung kommt bei jedem Benutzer. Ich betone dies, weil ich bisher der Meinung war, mein Problem besteht nur bei einem Benutzer, bei den anderen sei alles normal.
Die Möglichkeit, die Darstellung zu beeinflussen unter
Desktop - rechten Maustaste - Hintergrund der Arbeitsfläche andern
ist nach wie vor unter einem Benutzer blockiert.