Problem: Cannot control backlight, brightness is always 100%, there is nothing in /sys/class/backlight
Tried all of the below and nothing worked:
- adding
Option "RegistryDwords" "EnableBrightnessControl=1"
to/etc/X11/mhwd.d/nvidia.conf
- installing
ddcci-driver-linux-dkms
- installed
colorhug
(complains aboutorg.gnome.SettingsDaemon
not being provided.)
inxi -Fxxz
output:
System: Kernel: 5.8.11-1-MANJARO x86_64 bits: 64 compiler: N/A Console: tty 0 DM: LightDM Distro: Manjaro Linux
Machine: Type: Portable System: Dell product: Dell System XPS L702X v: N/A serial: <filter> Chassis: type: 8 v: 0.1
serial: <filter>
Mobo: Dell model: 03RG89 v: FAB1 serial: <filter> UEFI [Legacy]: Dell v: A19 date: 09/07/2012
Battery: ID-1: BAT0 charge: 79.6 Wh condition: 84.2/93.2 Wh (90%) volts: 12.3/11.1 model: LGC Dell serial: <filter>
status: Unknown
CPU: Topology: Quad Core model: Intel Core i7-2630QM bits: 64 type: MT MCP arch: Sandy Bridge rev: 7 L2 cache: 6144 KiB
flags: avx lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 31936
Speed: 798 MHz min/max: 800/2900 MHz Core speeds (MHz): 1: 798 2: 798 3: 798 4: 799 5: 798 6: 799 7: 798 8: 799
Graphics: Device-1: NVIDIA GF106M [GeForce GT 555M] vendor: Dell driver: nvidia v: 390.132 bus ID: 01:00.0 chip ID: 10de:0dcd
Device-2: Quanta type: USB driver: uvcvideo bus ID: 1-1.4:4 chip ID: 0408:2fb1
Display: server: X .org 1.20.9 driver: nvidia tty: 210x60
Message: Advanced graphics data unavailable in console. Try -G --display
Audio: Device-1: Intel 6 Series/C200 Series Family High Definition Audio vendor: Dell driver: snd_hda_intel v: kernel
bus ID: 00:1b.0 chip ID: 8086:1c20
Device-2: NVIDIA GF106 High Definition Audio vendor: Dell driver: snd_hda_intel v: kernel bus ID: 01:00.1
chip ID: 10de:0be9
Device-3: Philips s SAA7231 vendor: Avermedia driver: N/A bus ID: 02:00.0 chip ID: 1131:7231
Sound Server: ALSA v: k5.8.11-1-MANJARO
Network: Device-1: Intel Centrino Advanced-N 6230 [Rainbow Peak] driver: iwlwifi v: kernel port: 4000 bus ID: 03:00.0
chip ID: 8086:0091
IF: wlp3s0 state: up mac: <filter>
Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Dell driver: r8169 v: kernel port: 2000
bus ID: 0a:00.0 chip ID: 10ec:8168
IF: enp10s0 state: down mac: <filter>
Drives: Local Storage: total: 698.65 GiB used: 10.23 GiB (1.5%)
ID-1: /dev/sda vendor: Samsung model: SSD 840 Series size: 232.89 GiB speed: 6.0 Gb/s serial: <filter>
ID-2: /dev/sdb vendor: Seagate model: ST9500420AS size: 465.76 GiB speed: 3.0 Gb/s serial: <filter>
Partition: ID-1: / size: 211.34 GiB used: 10.23 GiB (4.8%) fs: ext4 dev: /dev/sda1
Swap: ID-1: swap-1 type: partition size: 17.16 GiB used: 0 KiB (0.0%) priority: -2 dev: /dev/sda2
Sensors: System Temperatures: cpu: 52.0 C mobo: 36.0 C sodimm: 41.0 C gpu: nvidia temp: 43 C
Fan Speeds (RPM): cpu: 2428
Info: Processes: 244 Uptime: 2m Memory: 15.60 GiB used: 679.9 MiB (4.3%) Init: systemd v: 246 Compilers: gcc: 10.2.0
Packages: pacman: 1233 Shell: Bash v: 5.0.18 running in: tty 0 inxi: 3.1.05