Thanks for the bios update heads up Christopher I booted into windows and updated my bios, but there was no change as far as I could see, and the same problem specified here persisted
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date 5ECN96WW(V9.01) 03/14/2013 -- 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/1250051 Title: [Lenovo G780] Backlight switched off at login screen Status in “linux” package in Ubuntu: Incomplete Bug description: Whenever I used to boot on ubuntu, my login screen was too dim, I wouldn't know my computer was switched on until I increased the brightness with my keyboard. WORKAROUND: #!/bin/sh cap_bright() { [ ! -d "$1" ] && return MAX=$(cat "$1/max_brightness") echo $MAX > "$1/brightness" } cap_bright "/sys/class/backlight/acpi_video1" cap_bright "/sys/class/backlight/intel_backlight" --- ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: danato 1777 F.... pulseaudio CRDA: country MO: (2402 - 2482 @ 40), (N/A, 20) (5170 - 5250 @ 40), (3, 23) (5250 - 5330 @ 40), (3, 23), DFS (5735 - 5835 @ 40), (3, 30) DistroRelease: Ubuntu 13.10 InstallationDate: Installed on 2013-11-05 (5 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MachineType: LENOVO 20138 MarkForUpload: True Package: linux (not installed) ProcFB: 0 nouveaufb 1 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-13-generic root=UUID=be58180f-8d25-4719-a049-001ce96e4bb2 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6 RelatedPackageVersions: linux-restricted-modules-3.11.0-13-generic N/A linux-backports-modules-3.11.0-13-generic N/A linux-firmware 1.116 StagingDrivers: rts5139 Tags: saucy staging Uname: Linux 3.11.0-13-generic x86_64 UpgradeStatus: Upgraded to saucy on 2013-11-06 (5 days ago) UserGroups: adm cdrom dip lpadmin netdev plugdev sambashare sudo dmi.bios.date: 12/19/2012 dmi.bios.vendor: LENOVO dmi.bios.version: 5ECN95WW(V9.00) dmi.board.asset.tag: No Asset Tag dmi.board.name: INVALID dmi.board.vendor: LENOVO dmi.board.version: 31900003WIN8 STD MLT dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo G780 dmi.modalias: dmi:bvnLENOVO:bvr5ECN95WW(V9.00):bd12/19/2012:svnLENOVO:pn20138:pvrLenovoG780:rvnLENOVO:rnINVALID:rvr31900003WIN8STDMLT:cvnLENOVO:ct10:cvrLenovoG780: dmi.product.name: 20138 dmi.product.version: Lenovo G780 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1250051/+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
