![]() ![]() Swap: ID-1: swap-1 type: partition size: 7.45 GiB used: 0 KiB (0.0%) priority: -2 dev: /dev/sda3 Network: Device-1: Intel Wireless-AC 9560 driver: iwlwifi v: kernel bus ID: 00:14.3 chip ID: 8086:a370ĭevice-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Lenovo driver: r8169 v: kernel port: 3000ĭrives: Local Storage: total: 1.38 TiB used: 27.79 GiB (2.0%) OpenGL: renderer: GeForce GTX 1650/PCIe/SSE2 v: 4.6.0 NVIDIA 440.100 direct render: YesĪudio: Device-1: Intel Cannon Lake PCH cAVS vendor: Lenovo driver: snd_hda_intel v: kernel bus ID: 00:1f.3ĭevice-2: NVIDIA vendor: Lenovo driver: snd_hda_intel v: kernel bus ID: 01:00.1 chip ID: 10de:10fa Graphics: Device-1: NVIDIA TU117M vendor: Lenovo driver: nvidia v: 440.100 bus ID: 01:00.0ĭevice-2: Lite-On Integrated Camera type: USB driver: uvcvideo bus ID: 1-6:3 chip ID: 04ca:7070ĭisplay: x11 server: X.Org 1.20.8 driver: nvidia resolution: 1920x1080~60Hz s-dpi: 96 Mobo: LENOVO model: LNVNB161216 v: SDK0R32862 WIN serial: UEFI: LENOVO v: BHCN35WW date: īattery: ID-1: BAT0 charge: 31.5 Wh condition: 53.4/52.5 Wh (102%) volts: 11.6/11.3 model: LGC L17元PG1 serial: ĬPU: Topology: 6-Core model: Intel Core i7-9750H bits: 64 type: MT MCP arch: Kaby Lake rev: A L2 cache: 12.0 MiBįlags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 62431 Machine: Type: Laptop System: LENOVO product: 81SY v: Legion Y540-15IRH-PG0 serial: Chassis: type: 10 In case they help diagnose my problem, here are my inxi -Fxxz: System: Kernel: 5.8.6-1-MANJARO x86_64 bits: 64 compiler: N/A Desktop: Xfce 4.14.2 tk: Gtk 3.24.20 wm: xfwm4 dm: LightDM I just recently found a workaround to change brightness manually by disabling redshift, executing xrandr -output DP-4 -brightness $value and then re-enabling redshift (if I don’t disable redshift it seems to reset the brightness value after a slight delay), but this is a little cumbersome and I’m wondering if there’s a better way to get the gui and laptop key brightness adjustment methods working. I have also tried switching to kernels 57 (same problem), and 59 (no boot), so I’ve gone back to 58. With GRUB_CMDLINE_LINUX="acpi_backlight=" none or native I get nothing in /sys/class/backlight, unresponsive brightness Fn Keys, and no slider in the system tray, and with the vendor option I get an ideapad symlink in /sys/class/backlight with a brightness file responsively changing from 0 to 16 but no actual screen brightness adjustment as with no CMDLINE option and the acpi_video0 brightness device, so I just went back to no grub CMDLINE option. With no CMDLINE option, I have an acpi_video0 symlink in /sys/class/backlight, and it behaves as I described above (brightness file responding to FN Keys and the sytem tray slider from 0-100, screen brightness stuck at 100). I have tried manipulating my grub command-line options as per another forum post (can’t link), but that didn’t seem to help: When I first installed Manjaro some months ago the brightness keys worked (in a janky way: the brightness up worked but brightness down set brightness to 0/turned off the display), but either a kernel update or switching to proprietary NVIDIA drivers seem to have cut off the connection between my actual screen brightness and the brightness values I can manipulate, so I have been primarily using my windows install at night but want to get back to pure Manjaro. The Fn Keys and the brightness slider in the power manager system tray both appear like they’re working, in that the XFCE brightness pop-up is displayed and adjusted as expected and the values in the brightness file of /sys/class/backlight change, but the actual screen brightness seems stuck at 100%. I’m having issues getting my screen brightness to change and would really appreciate any help.
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