mv /home/user/.config/dconf/user /home/user/.config/dconf/user.old
All your setting will lost but you'll get the contrast.
Enjoy.
mv /home/user/.config/dconf/user /home/user/.config/dconf/user.old
sudo apt-get purge indicator-message
sudo apt-get install grub2-splashimagesGRUB spalsh images are stored in the /usr/share/images/grub folder, you can access it with this command:
sudo nautilus /usr/share/images/grubIf you want to use a custom image, make sure it is in the TGA format, then place it in that folder. After deciding which image to use as splash screen for the GRUB2 boot loader, edit now the /etc/default/grub file with this command:
sudo gedit /etc/default/grubAt the end of the file, add this line:
GRUB_BACKGROUND=/usr/share/images/grub/YOUR-IMAGE.tgaReplace YOUR-IMAGE.tga with your custom image name.
sudo update-grubRestart now your computer to see if changes are successful (hold down the SHIFT key to bring up the GRUB boot screen while rebooting). Source
sudo add-apt-repository ppa:danielrichter2007/grub-customizer
sudo apt-get update
sudo apt-get install grub-customizer
wget -O grub-customizer-2.5.7-i686.rpm http://goo.gl/vE2Ev
su
zypper in grub-customizer-2.5.7-i686.rp
wget -O grub-customizer-2.5.7-x86_64.rpm http://goo.gl/1GL6
su
zypper in grub-customizer-2.5.7-x86_64.rpm
wget -O grub-customizer-2.5.7-i686.rpm http://goo.gl/vE2Ev
sudo yum install grub-customizer-2.5.7-i686.rpm
wget -O grub-customizer-2.5.7-x86_64.rpm http://goo.gl/1GL6B
sudo yum install grub-customizer-2.5.7-x86_64.rpm