The is no option to disable the discrete nvidia card in the bios. Ubuntu 13.04 is installed local at the HD and 13.10 at the flash drive.
This is from 13.10, nvidia- current is installed from the repository. The hdmi is not working "xrandr: Configure crtc 3 failed." $ uname -a Linux test-R510-P510 3.11.0-7-generic #13-Ubuntu SMP Tue Sep 10 20:55:38 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux $ sudo lspci 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5) 00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b5) 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5) 00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b5) 00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b5) 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) 00:1f.0 ISA bridge: Intel Corporation HM67 Express Chipset Family LPC Controller (rev 05) 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05) 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05) 01:00.0 VGA compatible controller: NVIDIA Corporation GF108M [GeForce GT 540M] (rev a1) 03:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000 [Condor Peak] 04:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04) 06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06) $ sudo nvidia-detector none $ dpkg -l | grep -i nvid ii nvidia-304 304.88-0ubuntu8 amd64 NVIDIA binary Xorg driver, kernel module and VDPAU library rc nvidia-304-updates 304.88-0ubuntu9 amd64 NVIDIA binary Xorg driver, kernel module and VDPAU library ii nvidia-current 304.88-0ubuntu8 amd64 Transitional package for nvidia-current ii nvidia-settings-304 304.88-0ubuntu2 amd64 Tool for configuring the NVIDIA graphics driver rc nvidia-settings-304-updates 304.88-0ubuntu2 amd64 Tool for configuring the NVIDIA graphics driver -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1040053 Title: [Dell XPS 15 L502X] no HDMI support with dual grafic card in Ubuntu 12.04LTS with 3.2.0-29-generic Status in “linux” package in Ubuntu: Incomplete Bug description: The HDMI port is not working via Ubuntu 12.04LTS with 3.2.0-29-generic, newest nvidia driver with bumblebee. $ dpkg --status nvidia-current | grep Version Version: 304.37-0ubuntu1~precise~xup1 This also doesn't work in Saucy via nouveau (i.e. no nvidia drivers+bumblebee). second monitor is plugged in on HDMI but is not recognized: $ xrandr Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192 LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm 1366x768 60.1*+ 1360x768 59.8 60.0 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 disconnected (normal left inverted right x axis y axis) HDMI1 disconnected (normal left inverted right x axis y axis) DP1 disconnected (normal left inverted right x axis y axis) A indirect solution is to connect the monitor on the mini DP connector over a DP adapter: $ xrandr Screen 0: minimum 320 x 200, current 3286 x 1080, maximum 8192 x 8192 LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm 1366x768 60.1*+ 1360x768 59.8 60.0 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 disconnected (normal left inverted right x axis y axis) HDMI1 connected 1920x1080+1366+0 (normal left inverted right x axis y axis) 477mm x 269mm 1920x1080 59.9*+ 60.0 1680x1050 60.0 1280x1024 75.0 60.0 1280x960 75.0 1152x864 75.0 1280x720 75.0 1024x768 75.1 60.0 800x600 75.0 60.3 640x480 75.0 60.0 720x400 70.1 DP1 disconnected (normal left inverted right x axis y axis) --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu12 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC665 Analog [ALC665 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: chuck 1876 F.... pulseaudio Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf1c00000 irq 51' Mixer name : 'Intel CougarPoint HDMI' Components : 'HDA:10ec0665,1028050e,00100003 HDA:80862805,80860101,00100000' Controls : 31 Simple ctrls : 13 DistroRelease: Ubuntu 12.04 HibernationDevice: RESUME=UUID=b7504c70-7d61-40f2-a35a-ebc609362e4f InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) MachineType: Dell Inc. Dell System XPS L502X Package: linux (not installed) ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=de_DE.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic root=UUID=59df3841-6d8e-4276-a4a9-f75f67a62f77 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24 RelatedPackageVersions: linux-restricted-modules-3.2.0-29-generic N/A linux-backports-modules-3.2.0-29-generic N/A linux-firmware 1.79 RfKill: 0: phy0: Wireless LAN Soft blocked: yes Hard blocked: yes StagingDrivers: mei Tags: precise running-unity staging Uname: Linux 3.2.0-29-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom davfs2 dip lpadmin plugdev sambashare sudo dmi.bios.date: 05/29/2012 dmi.bios.vendor: Dell Inc. dmi.bios.version: A11 dmi.board.name: 0NJT03 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnDellInc.:bvrA11:bd05/29/2012:svnDellInc.:pnDellSystemXPSL502X:pvr:rvnDellInc.:rn0NJT03:rvrA00:cvnDellInc.:ct8:cvr0.1: dmi.product.name: Dell System XPS L502X dmi.sys.vendor: Dell Inc. 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