Fixes for my ubuntu-gnome-desktop post-installation problems...
Desktop problems: Use the Gnome Tweak Tool, and set "Icons on Desktop" to ON
Font problem: Use the Unity Tweak Tool, and set the fonts back to Ubuntu default fonts
Touchpad problems: Fix taken from How to invert touchpad scrolling on Ubuntu 16.04
If you use libinput, then add a config file to /etc/X11/xorg.conf.d/ such as 20-touchpad.conf with this content:
Section "InputClass"
Identifier "libinput touchpad catchall"
MatchIsTouchpad "on"
MatchDevicePath "/dev/input/event*"
Driver "libinput"
Option "NaturalScrolling" "off"
Option "MiddleEmulation" "on"
Option "Tapping" "on"
Option "DisableWhileTyping" "on"
Option "PalmDetection" "True"
EndSection
Login screen problem: User desktop must be set to display a desktop picture, not a solid color
Default DE problem:
In terminal...
gksudo gedit /etc/lightdm/lightdm.conf
add in this text snippet under [SeatDefaults]...
[SeatDefaults]
user-session=ubuntu
don't duplicate [SeatDefaults] if it's already there.
- Boot/shutdown screens problem: Partially taken from How do I revert the Plymouth theme back to default after purging Kubuntu?
In terminal...
ls -al /etc/alternatives/*plymouth*
sudo update-alternatives --config default.plymouth
sudo update-alternatives --config text.plymouth
Best Answer
Step 1 : To get started, press Ctrl + Alt + T on your keyboard to open Terminal. When it opens, run the commands below to enable Gnome session
Step 2 : Restart and on the logon screen, click the option to change your session.
Step 3 : Then choose GNOME Flashback (Metacity)
Enjoy your Desktop
Source : How to switch to GNOME Desktop Environment in Ubuntu 14.04 Trusty Tahr