@Aldo 3.13.0-12.32 seems to work for me. So what you can do:
* download 4 packages in a new directory: (if you have a 64 bits system) https://launchpad.net/ubuntu/+source/linux/3.13.0-12.32/+build/5624936/+files/linux-headers-3.13.0-12-generic_3.13.0-12.32_amd64.deb https://launchpad.net/ubuntu/+source/linux/3.13.0-12.32/+build/5624936/+files/linux-image-3.13.0-12-generic_3.13.0-12.32_amd64.deb https://launchpad.net/ubuntu/+source/linux/3.13.0-12.32/+build/5624936/+files/linux-image-extra-3.13.0-12-generic_3.13.0-12.32_amd64.deb https://launchpad.net/ubuntu/+source/linux/3.13.0-12.32/+build/5624939/+files/linux-headers-3.13.0-12_3.13.0-12.32_all.deb * install all: cd to this directory and type sudo dpkg -i *.deb * then restart and at boot, make sure you select the 3.13.0-12 kernel (not the default one) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1322644 Title: [Dell XPS 13 (L321X)] External monitor does not wake up after sleep To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1322644/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs