Bedacht me dat die commando set natuurlijk vanuit de niet juist werkende omgeving uitgevoerd moet worden.
En niet vanuit de veilige omgeving (2e Grub regel.
Kon met Ctr+Alt+t wel een terminal krijgen. Met het volgende resultaat:
happybird@happybird-MS-7255:~$ gconftool-2 --recursive-unset /apps/compiz-1
happybird@happybird-MS-7255:~$ unity --reset
WARNING: Unity currently default profile, so switching to metacity while resetting the values
Backend : gconf
Integration : true
Profile : unity
Adding plugins
Initializing core options...done
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 1
Window created on XQueryTree, map state isViewable? 1
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 1
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 1
Window created on XQueryTree, map state isViewable? 0
Window created on XQueryTree, map state isViewable? 1
Window created on XQueryTree, map state isViewable? 1
Initializing bailer options...done
Initializing detection options...done
Initializing composite options...done
Initializing opengl options...done
Initializing decor options...done
Initializing mousepoll options...done
Initializing vpswitch options...done
Initializing animation options...done
Initializing snap options...done
Initializing expo options...done
Initializing move options...done
Initializing place options...done
Initializing grid options...done
Initializing gnomecompat options...done
Initializing wall options...done
Initializing ezoom options...done
Initializing workarounds options...done
Initializing staticswitcher options...done
Initializing resize options...done
Initializing fade options...done
Initializing unitymtgrabhandles options...done
Initializing scale options...done
Initializing session options...done
** (<unknown>:2495): DEBUG: Unity accessibility initialization
** (<unknown>:2495): DEBUG: Shows on edge: 1
Screen geometry changed:
Monitor 0(primary)
0x0x1440x900
unity-panel-service: geen proces gevonden
** (<unknown>:2495): DEBUG: PanelController:: Added Panel for Monitor 0
Initializing unityshell options...done
** (<unknown>:2495): DEBUG: MaximizeIfBigEnough: Gnome-terminal window size doesn't fit
** (<unknown>:2495): DEBUG: PlaceEntry: Toepassingen
** (<unknown>:2495): DEBUG: PlaceEntry: Opdrachten
** (<unknown>:2495): DEBUG: PlaceEntry: Bestanden en mappen
** (<unknown>:2495): DEBUG: /com/canonical/unity/applicationsplace
** (<unknown>:2495): DEBUG: /com/canonical/unity/filesplace
** (<unknown>:2495): DEBUG: Setting to primary screen rect: x=0 y=0 w=1440 h=900
** (<unknown>:2495): WARNING **: Failed to fetch view type at /org/ayatana/bamf/window65012961: Method "ViewType" with signature "" on interface "org.ayatana.bamf.view" doesn't exist
** (<unknown>:2495): DEBUG: Acquired the name com.canonical.Unity.Launcher on the session bus
** (<unknown>:2495): DEBUG: IndicatorAdded: libapplication.so
** (<unknown>:2495): DEBUG: IndicatorAdded: libsoundmenu.so
** (<unknown>:2495): DEBUG: IndicatorAdded: libmessaging.so
** (<unknown>:2495): DEBUG: IndicatorAdded: libdatetime.so
** (<unknown>:2495): DEBUG: IndicatorAdded: libme.so
** (<unknown>:2495): DEBUG: IndicatorAdded: libsession.so
Na reboot nog geen verandering.
Maar . . .
Kan nu wel de door Pjotr beschreven actie uitvoeren (afmelden en Ubuntu klassiek instellen)
Hartelijk dank voor de geboden hulp en suggesties.