Upgrading to Gnome 3.12 in Fedora 20

Question

Hello my friends. Recently Gnome 3.12 was released as an update for gnome users. so I decided to upgrade to the newest version as explained here. After step 1, I tried to update Fedora using Yumex, But I got this error:

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Dependency Resolution Errors:

Package: 1:NetworkManager-bt-0.9.9.1-3.git20140317.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) Requires: NetworkManager(x86-64) = 1:0.9.9.1-3.git20140317.fc20 Removing: 1:NetworkManager-0.9.9.0-33.git20131003.fc20.x86_64 (@updates) NetworkManager(x86-64) = 1:0.9.9.0-33.git20131003.fc20 Obsoleted By: 1:NetworkManager-adsl-0.9.9.1-4.git20140319.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) Not found Updated By: 1:NetworkManager-0.9.9.1-4.git20140319.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) NetworkManager(x86-64) = 1:0.9.9.1-4.git20140319.fc20 Available: 1:NetworkManager-0.9.9.0-20.git20131003.fc20.x86_64 (fedora) NetworkManager(x86-64) = 1:0.9.9.0-20.git20131003.fc20 Available: 1:NetworkManager-0.9.9.1-0.git20140228.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) NetworkManager(x86-64) = 1:0.9.9.1-0.git20140228.fc20 Available: 1:NetworkManager-0.9.9.1-1.git20140310.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) NetworkManager(x86-64) = 1:0.9.9.1-1.git20140310.fc20 Available: 1:NetworkManager-0.9.9.1-2.git20140314.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) NetworkManager(x86-64) = 1:0.9.9.1-2.git20140314.fc20 Available: 1:NetworkManager-0.9.9.1-3.git20140317.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) NetworkManager(x86-64) = 1:0.9.9.1-3.git20140317.fc20Package: ekiga-4.0.1-6.fc20.x86_64 (@fedora) Requires: libcamel-1.2.so.45()(64bit) Removing: evolution-data-server-3.10.4-3.fc20.x86_64 (@updates) libcamel-1.2.so.45()(64bit) Updated By: evolution-data-server-3.12.0-1.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) ~libcamel-1.2.so.49()(64bit) Available: evolution-data-server-3.10.2-2.fc20.x86_64 (fedora) libcamel-1.2.so.45()(64bit) Available: evolution-data-server-3.11.90-1.fc20.i686 (rhughes-f20-gnome-3-12-i386) Not found Available: evolution-data-server-3.11.91-1.fc20.i686 (rhughes-f20-gnome-3-12-i386) Not found Available: evolution-data-server-3.11.92-1.fc20.i686 (rhughes-f20-gnome-3-12-i386) Not foundPackage: nm-connection-editor-0.9.9.0-9.git20140123.fc20.x86_64 (@updates) Requires: libgnome-bluetooth.so.12()(64bit) Removing: 1:gnome-bluetooth-libs-3.10.0-1.fc20.x86_64 (@anaconda) libgnome-bluetooth.so.12()(64bit) Updated By: 1:gnome-bluetooth-libs-3.12.0-1.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) ~libgnome-bluetooth.so.13()(64bit)Package: 1:NetworkManager-atm-0.9.9.1-3.git20140317.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) Requires: NetworkManager(x86-64) = 1:0.9.9.1-3.git20140317.fc20 Removing: 1:NetworkManager-0.9.9.0-33.git20131003.fc20.x86_64 (@updates) NetworkManager(x86-64) = 1:0.9.9.0-33.git20131003.fc20 Obsoleted By: 1:NetworkManager-adsl-0.9.9.1-4.git20140319.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) Not found Updated By: 1:NetworkManager-0.9.9.1-4.git20140319.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) NetworkManager(x86-64) = 1:0.9.9.1-4.git20140319.fc20 Available: 1:NetworkManager-0.9.9.0-20.git20131003.fc20.x86_64 (fedora) NetworkManager(x86-64) = 1:0.9.9.0-20.git20131003.fc20 Available: 1:NetworkManager-0.9.9.1-0.git20140228.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) NetworkManager(x86-64) = 1:0.9.9.1-0.git20140228.fc20 Available: 1:NetworkManager-0.9.9.1-1.git20140310.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) NetworkManager(x86-64) = 1:0.9.9.1-1.git20140310.fc20 Available: 1:NetworkManager-0.9.9.1-2.git20140314.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) NetworkManager(x86-64) = 1:0.9.9.1-2.git20140314.fc20 Available: 1:NetworkManager-0.9.9.1-3.git20140317.fc20.x86_64 (rhughes-f20-gnome-3-12-x86_64) NetworkManager(x86-64) = 1:0.9.9.1-3.git20140317.fc20

Answer 1

Thanks for your support. At first, I entered this to enable gdm.service:

systemctl enable gdm.service

Then, I restarted it using this:

systecmtl restart gdm.service

Thanks to IL Mostro because of the codes and great instructions!