[Kernel-packages] [Bug 939569] Re: Brightness control on Toshiba Satellite C660 laptop
Done, thank you. See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1301328 -- 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/939569 Title: Brightness control on Toshiba Satellite C660 laptop Status in “linux” package in Ubuntu: Invalid Bug description: Backlight control does not work on Toshiba Satellite C660 with Ubuntu 10.04 64 bits. The only trick I've found is : xgamma -gamma 0.5 and that works. Hot keys Fn 6 and Fn 7 are active but have no effect on the brightness of the LCD. WORKAROUND: I have fixed my problem by installing nvidia-current (through Synaptics package manager) which was not installed. After installation I had to add this line in the Device section of xorg.conf : on "RegistryDwords" "EnableBrightnessControl=1" --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21. AplayDevices: List of PLAYBACK Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 Architecture: amd64 ArecordDevices: List of CAPTURE Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: solea 1395 F pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf720 irq 22' Mixer name : 'Realtek ALC269' Components : 'HDA:10ec0269,1179fc94,00100100' Controls : 13 Simple ctrls : 8 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xf708 irq 17' Mixer name : 'Nvidia ID b' Components : 'HDA:10de000b,10de0101,00100200' Controls : 0 Simple ctrls : 0 Card1.Amixer.values: DistroRelease: Ubuntu 10.04 Frequency: Once a day. HibernationDevice: RESUME=UUID=a9db3f95-03cc-46ff-b102-2afaac3182de InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2) Lsusb: Bus 002 Device 002: ID 8087:0024 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 04f2:b1d6 Chicony Electronics Co., Ltd Bus 001 Device 002: ID 8087:0024 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: TOSHIBA SATELLITE C660 Package: linux 2.6.32.38.44 PackageArchitecture: amd64 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-38-generic root=UUID=9f75943a-f922-4d92-bd6c-5133d82ee331 ro quiet splash ProcEnviron: LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.32-38.83-generic 2.6.32.52+drm33.21 Regression: No RelatedPackageVersions: linux-firmware 1.34.7 Reproducible: No RfKill: Tags: lucid graphics needs-upstream-testing Uname: Linux 2.6.32-38-generic x86_64 UserGroups: dmi.bios.date: 07/11/2011 dmi.bios.vendor: TOSHIBA dmi.bios.version: 1.10 dmi.board.asset.tag: NULL dmi.board.name: PWWHA dmi.board.vendor: TOSHIBA dmi.board.version: 1.00 dmi.chassis.asset.tag: * dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: N/A dmi.modalias: dmi:bvnTOSHIBA:bvr1.10:bd07/11/2011:svnTOSHIBA:pnSATELLITEC660:pvrPSC1QE-03P00FFR:rvnTOSHIBA:rnPWWHA:rvr1.00:cvnTOSHIBA:ct10:cvrN/A: dmi.product.name: SATELLITE C660 dmi.product.version: PSC1QE-03P00FFR dmi.sys.vendor: TOSHIBA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/939569/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 939569] Re: Brightness control on Toshiba Satellite C660 laptop
Bob M Brown, thank you for your comment. So your hardware and problem may be tracked, could you please file a new report with Ubuntu by executing the following in a terminal while booted into a Ubuntu repository kernel (not a mainline one) via: ubuntu-bug linux For more on this, please read the official Ubuntu documentation: Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette When opening up the new report, please feel free to subscribe me to it. Thank you for your understanding. Helpful bug reporting tips: https://wiki.ubuntu.com/ReportingBugs -- 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/939569 Title: Brightness control on Toshiba Satellite C660 laptop Status in “linux” package in Ubuntu: Invalid Bug description: Backlight control does not work on Toshiba Satellite C660 with Ubuntu 10.04 64 bits. The only trick I've found is : xgamma -gamma 0.5 and that works. Hot keys Fn 6 and Fn 7 are active but have no effect on the brightness of the LCD. WORKAROUND: I have fixed my problem by installing nvidia-current (through Synaptics package manager) which was not installed. After installation I had to add this line in the Device section of xorg.conf : on "RegistryDwords" "EnableBrightnessControl=1" --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21. AplayDevices: List of PLAYBACK Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 Architecture: amd64 ArecordDevices: List of CAPTURE Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: solea 1395 F pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf720 irq 22' Mixer name : 'Realtek ALC269' Components : 'HDA:10ec0269,1179fc94,00100100' Controls : 13 Simple ctrls : 8 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xf708 irq 17' Mixer name : 'Nvidia ID b' Components : 'HDA:10de000b,10de0101,00100200' Controls : 0 Simple ctrls : 0 Card1.Amixer.values: DistroRelease: Ubuntu 10.04 Frequency: Once a day. HibernationDevice: RESUME=UUID=a9db3f95-03cc-46ff-b102-2afaac3182de InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2) Lsusb: Bus 002 Device 002: ID 8087:0024 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 04f2:b1d6 Chicony Electronics Co., Ltd Bus 001 Device 002: ID 8087:0024 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: TOSHIBA SATELLITE C660 Package: linux 2.6.32.38.44 PackageArchitecture: amd64 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-38-generic root=UUID=9f75943a-f922-4d92-bd6c-5133d82ee331 ro quiet splash ProcEnviron: LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.32-38.83-generic 2.6.32.52+drm33.21 Regression: No RelatedPackageVersions: linux-firmware 1.34.7 Reproducible: No RfKill: Tags: lucid graphics needs-upstream-testing Uname: Linux 2.6.32-38-generic x86_64 UserGroups: dmi.bios.date: 07/11/2011 dmi.bios.vendor: TOSHIBA dmi.bios.version: 1.10 dmi.board.asset.tag: NULL dmi.board.name: PWWHA dmi.board.vendor: TOSHIBA dmi.board.version: 1.00 dmi.chassis.asset.tag: * dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: N/A dmi.modalias: dmi:bvnTOSHIBA:bvr1.10:bd07/11/2011:svnTOSHIBA:pnSATELLITEC660:pvrPSC1QE-03P00FFR:rvnTOSHIBA:rnPWWHA:rvr1.00:cvnTOSHIBA:ct10:cvrN/A: dmi.product.name: SATELLITE C660 dmi.product.version: PSC1QE-03P00FFR dmi.sys.vendor: TOSHIBA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/939569/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 939569] Re: Brightness control on Toshiba Satellite C660 laptop
@penalvch If the C660 brightness controls don't work out of the box with Ubuntu should this bug be closed/invalid? I always come back to this issue after a reinstall to find my comment above. Seems it should be fixed somehow in Unbuntu but I don't know how to triage it. -- 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/939569 Title: Brightness control on Toshiba Satellite C660 laptop Status in “linux” package in Ubuntu: Invalid Bug description: Backlight control does not work on Toshiba Satellite C660 with Ubuntu 10.04 64 bits. The only trick I've found is : xgamma -gamma 0.5 and that works. Hot keys Fn 6 and Fn 7 are active but have no effect on the brightness of the LCD. WORKAROUND: I have fixed my problem by installing nvidia-current (through Synaptics package manager) which was not installed. After installation I had to add this line in the Device section of xorg.conf : on "RegistryDwords" "EnableBrightnessControl=1" --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21. AplayDevices: List of PLAYBACK Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 Architecture: amd64 ArecordDevices: List of CAPTURE Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: solea 1395 F pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf720 irq 22' Mixer name : 'Realtek ALC269' Components : 'HDA:10ec0269,1179fc94,00100100' Controls : 13 Simple ctrls : 8 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xf708 irq 17' Mixer name : 'Nvidia ID b' Components : 'HDA:10de000b,10de0101,00100200' Controls : 0 Simple ctrls : 0 Card1.Amixer.values: DistroRelease: Ubuntu 10.04 Frequency: Once a day. HibernationDevice: RESUME=UUID=a9db3f95-03cc-46ff-b102-2afaac3182de InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2) Lsusb: Bus 002 Device 002: ID 8087:0024 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 04f2:b1d6 Chicony Electronics Co., Ltd Bus 001 Device 002: ID 8087:0024 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: TOSHIBA SATELLITE C660 Package: linux 2.6.32.38.44 PackageArchitecture: amd64 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-38-generic root=UUID=9f75943a-f922-4d92-bd6c-5133d82ee331 ro quiet splash ProcEnviron: LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.32-38.83-generic 2.6.32.52+drm33.21 Regression: No RelatedPackageVersions: linux-firmware 1.34.7 Reproducible: No RfKill: Tags: lucid graphics needs-upstream-testing Uname: Linux 2.6.32-38-generic x86_64 UserGroups: dmi.bios.date: 07/11/2011 dmi.bios.vendor: TOSHIBA dmi.bios.version: 1.10 dmi.board.asset.tag: NULL dmi.board.name: PWWHA dmi.board.vendor: TOSHIBA dmi.board.version: 1.00 dmi.chassis.asset.tag: * dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: N/A dmi.modalias: dmi:bvnTOSHIBA:bvr1.10:bd07/11/2011:svnTOSHIBA:pnSATELLITEC660:pvrPSC1QE-03P00FFR:rvnTOSHIBA:rnPWWHA:rvr1.00:cvnTOSHIBA:ct10:cvrN/A: dmi.product.name: SATELLITE C660 dmi.product.version: PSC1QE-03P00FFR dmi.sys.vendor: TOSHIBA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/939569/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 939569] Re: Brightness control on Toshiba Satellite C660 laptop
Olivero, this bug report is being closed due to your last comment https://bugs.launchpad.net/ubuntu/+source/linux/+bug/939569/comments/22 regarding this being fixed by installing nvidia-current. For future reference you can manage the status of your own bugs by clicking on the current status in the yellow line and then choosing a new status in the revealed drop down box. You can learn more about bug statuses at https://wiki.ubuntu.com/Bugs/Status. Thank you again for taking the time to report this bug and helping to make Ubuntu better. Please submit any future bugs you may find. ** Changed in: linux (Ubuntu) Status: Confirmed => Invalid -- 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/939569 Title: Brightness control on Toshiba Satellite C660 laptop Status in “linux” package in Ubuntu: Invalid Bug description: Backlight control does not work on Toshiba Satellite C660 with Ubuntu 10.04 64 bits. The only trick I've found is : xgamma -gamma 0.5 and that works. Hot keys Fn 6 and Fn 7 are active but have no effect on the brightness of the LCD. WORKAROUND: I have fixed my problem by installing nvidia-current (through Synaptics package manager) which was not installed. After installation I had to add this line in the Device section of xorg.conf : on "RegistryDwords" "EnableBrightnessControl=1" --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21. AplayDevices: List of PLAYBACK Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 Architecture: amd64 ArecordDevices: List of CAPTURE Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: solea 1395 F pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf720 irq 22' Mixer name : 'Realtek ALC269' Components : 'HDA:10ec0269,1179fc94,00100100' Controls : 13 Simple ctrls : 8 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xf708 irq 17' Mixer name : 'Nvidia ID b' Components : 'HDA:10de000b,10de0101,00100200' Controls : 0 Simple ctrls : 0 Card1.Amixer.values: DistroRelease: Ubuntu 10.04 Frequency: Once a day. HibernationDevice: RESUME=UUID=a9db3f95-03cc-46ff-b102-2afaac3182de InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2) Lsusb: Bus 002 Device 002: ID 8087:0024 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 04f2:b1d6 Chicony Electronics Co., Ltd Bus 001 Device 002: ID 8087:0024 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: TOSHIBA SATELLITE C660 Package: linux 2.6.32.38.44 PackageArchitecture: amd64 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-38-generic root=UUID=9f75943a-f922-4d92-bd6c-5133d82ee331 ro quiet splash ProcEnviron: LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.32-38.83-generic 2.6.32.52+drm33.21 Regression: No RelatedPackageVersions: linux-firmware 1.34.7 Reproducible: No RfKill: Tags: lucid graphics needs-upstream-testing Uname: Linux 2.6.32-38-generic x86_64 UserGroups: dmi.bios.date: 07/11/2011 dmi.bios.vendor: TOSHIBA dmi.bios.version: 1.10 dmi.board.asset.tag: NULL dmi.board.name: PWWHA dmi.board.vendor: TOSHIBA dmi.board.version: 1.00 dmi.chassis.asset.tag: * dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: N/A dmi.modalias: dmi:bvnTOSHIBA:bvr1.10:bd07/11/2011:svnTOSHIBA:pnSATELLITEC660:pvrPSC1QE-03P00FFR:rvnTOSHIBA:rnPWWHA:rvr1.00:cvnTOSHIBA:ct10:cvrN/A: dmi.product.name: SATELLITE C660 dmi.product.version: PSC1QE-03P00FFR dmi.sys.vendor: TOSHIBA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/939569/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 939569] Re: Brightness control on Toshiba Satellite C660 laptop
** Tags added: needs-full-computer-model needs-upstream-testing ** Tags added: lucid ** Description changed: Backlight control does not work on Toshiba Satellite C660 with Ubuntu 10.04 64 bits. The only trick I've found is : xgamma -gamma 0.5 and that works. Hot keys Fn 6 and Fn 7 are active but have no effect on the brightness of the LCD. + + WORKAROUND: I have fixed my problem by installing nvidia-current (through Synaptics package manager) which was not installed. + After installation I had to add this line in the Device section of xorg.conf : + on "RegistryDwords" "EnableBrightnessControl=1" + --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21. AplayDevices: List of PLAYBACK Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 Architecture: amd64 ArecordDevices: List of CAPTURE Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: solea 1395 F pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf720 irq 22' Mixer name : 'Realtek ALC269' Components : 'HDA:10ec0269,1179fc94,00100100' Controls : 13 Simple ctrls : 8 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xf708 irq 17' Mixer name : 'Nvidia ID b' Components : 'HDA:10de000b,10de0101,00100200' Controls : 0 Simple ctrls : 0 Card1.Amixer.values: DistroRelease: Ubuntu 10.04 Frequency: Once a day. HibernationDevice: RESUME=UUID=a9db3f95-03cc-46ff-b102-2afaac3182de InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2) Lsusb: Bus 002 Device 002: ID 8087:0024 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 04f2:b1d6 Chicony Electronics Co., Ltd Bus 001 Device 002: ID 8087:0024 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: TOSHIBA SATELLITE C660 Package: linux 2.6.32.38.44 PackageArchitecture: amd64 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-38-generic root=UUID=9f75943a-f922-4d92-bd6c-5133d82ee331 ro quiet splash ProcEnviron: LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.32-38.83-generic 2.6.32.52+drm33.21 Regression: No RelatedPackageVersions: linux-firmware 1.34.7 Reproducible: No RfKill: Tags: lucid graphics needs-upstream-testing Uname: Linux 2.6.32-38-generic x86_64 UserGroups: dmi.bios.date: 07/11/2011 dmi.bios.vendor: TOSHIBA dmi.bios.version: 1.10 dmi.board.asset.tag: NULL dmi.board.name: PWWHA dmi.board.vendor: TOSHIBA dmi.board.version: 1.00 dmi.chassis.asset.tag: * dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: N/A dmi.modalias: dmi:bvnTOSHIBA:bvr1.10:bd07/11/2011:svnTOSHIBA:pnSATELLITEC660:pvrPSC1QE-03P00FFR:rvnTOSHIBA:rnPWWHA:rvr1.00:cvnTOSHIBA:ct10:cvrN/A: dmi.product.name: SATELLITE C660 dmi.product.version: PSC1QE-03P00FFR dmi.sys.vendor: TOSHIBA -- 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/939569 Title: Brightness control on Toshiba Satellite C660 laptop Status in “linux” package in Ubuntu: Confirmed Bug description: Backlight control does not work on Toshiba Satellite C660 with Ubuntu 10.04 64 bits. The only trick I've found is : xgamma -gamma 0.5 and that works. Hot keys Fn 6 and Fn 7 are active but have no effect on the brightness of the LCD. WORKAROUND: I have fixed my problem by installing nvidia-current (through Synaptics package manager) which was not installed. After installation I had to add this line in the Device section of xorg.conf : on "RegistryDwords" "EnableBrightnessControl=1" --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21. AplayDevices: List of PLAYBACK Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 Architecture: amd64 ArecordDevices: List of CAPTURE Hardware Devices card 0: PCH [HDA Intel PCH], device 0: ALC269 Analog [ALC269 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: solea 1395 F pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf720 irq 22' Mixer name : 'Realtek ALC269' Components : 'HDA:10ec0269,1179fc94,00100100' Controls : 13 Simple ctrls : 8 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xf708 irq 17'
