I have Xubuntu 14.04 amd64 and this is how i fixed my black-screen problem. My hardware is Dell R15 N5110 with hybrid graphics Geforce M525 + Intel HD 3000. Left display is LVDS and right is HDMI.
Currently i have nvidia-355 and it works fine. $ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: NVIDIA Corporation GF108M [GeForce GT 525M] (rev a1) $ dpkg -l ubuntu-drivers-common 1:0.2.91.11 $ dpkg -l nvidia-common 1:0.2.91.11 $ prime-select query nvidia $ cat /etc/apt/sources.list.d/graphics-drivers-ppa-trusty.list deb http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu trusty main # deb-src http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu trusty main $ cat /etc/lightdm/display_fix.sh #/bin/bash xrandr --setprovideroutputsource Intel NVIDIA-0 xrandr --auto xrandr --output LVDS1 --left-of HDMI-0 xrandr --output LVDS1 --primary exit $ cat /etc/lightdm/lightdm.conf.d/20-custom.conf [SeatDefaults] display-setup-script=/etc/lightdm/display_fix.sh $ cat /etc/X11/xorg.conf Section "ServerLayout" Identifier "layout" Screen 0 "nvidia" Inactive "intel" EndSection Section "Device" Identifier "intel" Driver "intel" BusID "PCI:0@0:2:0" Option "AccelMethod" "SNA" EndSection Section "Screen" Identifier "intel" Device "intel" EndSection Section "Device" Identifier "nvidia" Driver "nvidia" BusID "PCI:1@0:0:0" Option "ConstrainCursor" "off" EndSection Section "Screen" Identifier "nvidia" Device "nvidia" Option "AllowEmptyInitialConfiguration" "on" Option "IgnoreDisplayDevices" "CRT" EndSection $ chmod +x /etc/lightdm/display_fix.sh $ chattr +i /etc/X11/xorg.conf -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-graphics-drivers-331 in Ubuntu. https://bugs.launchpad.net/bugs/1362848 Title: ubuntu 14.04 after install nvidia binary driver 331.89 black screen and freeze Status in nvidia-graphics-drivers-331 package in Ubuntu: Confirmed Status in nvidia-graphics-drivers-340 package in Ubuntu: Confirmed Status in nvidia-graphics-drivers-346 package in Ubuntu: Confirmed Status in nvidia-graphics-drivers-352 package in Ubuntu: New Bug description: I'm using Ubuntu 14.04 64bit, after install nvidia binary driver 331.89 from Additional Drivers application then reboot, it shows black screen, no login window, I even can't use ctrl+alt+F2 to switch to text mode, then I reboot and go to recovery mode, use 'prime-select intel' to switch to intel GPU and reboot, everything is fine, but as soon as I switch to nvidia GPU, still same issue. OS: Ubuntu 14.04 64bit Laptop: HP ENVY 15t Nvidia GeForce GT 740M + Intel HD 4600 Desktop: Unity Kernel: 3.13.0 CPU: Intel® Core™ i7-4700MQ Thanks! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1362848/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp