Beginners Questions • Re: Laptop brightness can not be changed

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System:  Kernel: 6.7.12+bpo-amd64 arch: x86_64 bits: 64 compiler: N/A    parameters: BOOT_IMAGE=/boot/vmlinuz-6.7.12+bpo-amd64    root=UUID=63a73ddf-2ead-4efa-9231-d491ce2a8850 ro nvidia-drm.modeset=1    nvidia-drm.modeset=1 quiet acpi_osi=Linux acpi_backlight=vendor  Desktop: GNOME v: 43.9 tk: GTK v: 3.24.38 wm: gnome-shell dm: GDM3 v: 43.0    Distro: Debian GNU/Linux 12 (bookworm)Machine:  Type: Laptop System: ASUSTeK product: ASUS TUF Gaming A15 FA506NC_FA506NC    v: 1.0 serial: <superuser required>  Mobo: ASUSTeK model: FA506NC v: 1.0 serial: <superuser required>    UEFI: American Megatrends LLC. v: FA506NC.302 date: 12/26/2023Battery:  ID-1: BAT1 charge: 45.7 Wh (92.9%) condition: 49.2/48.1 Wh (102.2%)    volts: 13.0 min: 11.7 model: ASUS A32-K55 type: Li-ion serial: N/A    status: chargingCPU:  Info: model: AMD Ryzen 5 7535HS with Radeon Graphics bits: 64 type: MT MCP    arch: Zen 3+ gen: 4 level: v3 note: check built: 2022 process: TSMC n6 (7nm)    family: 0x19 (25) model-id: 0x44 (68) stepping: 1 microcode: 0xA404102  Topology: cpus: 1x cores: 6 tpc: 2 threads: 12 smt: enabled cache:    L1: 384 KiB desc: d-6x32 KiB; i-6x32 KiB L2: 3 MiB desc: 6x512 KiB    L3: 16 MiB desc: 1x16 MiB  Speed (MHz): avg: 1049 high: 2252 min/max: 400/4603 scaling:    driver: amd-pstate-epp governor: powersave cores: 1: 1370 2: 400 3: 400    4: 400 5: 1397 6: 1396 7: 1395 8: 400 9: 2252 10: 1395 11: 400 12: 1387    bogomips: 79049  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm  Vulnerabilities:  Type: gather_data_sampling status: Not affected  Type: itlb_multihit status: Not affected  Type: l1tf status: Not affected  Type: mds status: Not affected  Type: meltdown status: Not affected  Type: mmio_stale_data status: Not affected  Type: reg_file_data_sampling status: Not affected  Type: retbleed status: Not affected  Type: spec_rstack_overflow status: Vulnerable: Safe RET, no microcode  Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via    prctl  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer    sanitization  Type: spectre_v2 mitigation: Retpolines, IBPB: conditional, IBRS_FW,    STIBP: always-on, RSB filling, PBRSB-eIBRS: Not affected  Type: srbds status: Not affected  Type: tsx_async_abort status: Not affectedGraphics:  Device-1: NVIDIA GA107M [GeForce RTX 3050 Mobile] vendor: ASUSTeK    driver: nvidia v: 525.147.05 non-free: 530.xx+    status: current (as of 2023-03) arch: Ampere code: GAxxx    process: TSMC n7 (7nm) built: 2020-22 pcie: gen: 4 speed: 16 GT/s lanes: 8    link-max: lanes: 16 ports: active: none off: HDMI-A-1 empty: DP-9    bus-ID: 01:00.0 chip-ID: 10de:25a2 class-ID: 0300  Device-2: AMD Rembrandt [Radeon 680M] vendor: ASUSTeK driver: amdgpu    v: kernel arch: RDNA-2 code: Navi-2x process: TSMC n7 (7nm) built: 2020-22    pcie: gen: 4 speed: 16 GT/s lanes: 16 ports: active: eDP-1 empty: DP-1,    DP-2, DP-3, DP-4, DP-5, DP-6, DP-7, DP-8 bus-ID: 06:00.0    chip-ID: 1002:1681 class-ID: 0300 temp: 56.0 C  Device-3: Shine-optics USB2.0 HD UVC WebCam type: USB driver: uvcvideo    bus-ID: 1-4:2 chip-ID: 3277:0029 class-ID: 0e02 serial: <filter>  Display: x11 server: X.Org v: 1.21.1.7 with: Xwayland v: 22.1.9    compositor: gnome-shell driver: X: loaded: amdgpu,nvidia    unloaded: fbdev,modesetting,nouveau,radeon,vesa alternate: nv    dri: radeonsi gpu: amdgpu,nvidia,nvidia-nvswitch display-ID: :1 screens: 1  Screen-1: 0 s-res: 5360x1440 s-dpi: 96 s-size: 1418x381mm (55.83x15.00")    s-diag: 1468mm (57.81")  Monitor-1: HDMI-A-1 mapped: HDMI-1-0 note: disabled pos: primary,top-left    model: LG (GoldStar) HDR WQHD serial: <filter> built: 2023 res: 3440x1440    hz: 85 dpi: 107 gamma: 1.2 size: 820x346mm (32.28x13.62")    diag: 888mm (34.9") modes: max: 3440x1440 min: 640x480  Monitor-2: eDP-1 mapped: eDP pos: bottom-r model: ChiMei InnoLux 0x1521    built: 2020 res: 1920x1080 hz: 144 dpi: 142 gamma: 1.2    size: 344x193mm (13.54x7.6") diag: 394mm (15.5") ratio: 16:9 modes:    max: 1920x1080 min: 640x480  API: OpenGL v: 4.6 Mesa 22.3.6 renderer: AMD Radeon Graphics (rembrandt    LLVM 15.0.6 DRM 3.57 6.7.12+bpo-amd64) direct-render: YesAudio:  Device-1: NVIDIA vendor: ASUSTeK driver: snd_hda_intel v: kernel pcie:    gen: 4 speed: 16 GT/s lanes: 8 link-max: lanes: 16 bus-ID: 01:00.1    chip-ID: 10de:2291 class-ID: 0403  Device-2: AMD ACP/ACP3X/ACP6x Audio Coprocessor vendor: ASUSTeK    driver: snd_pci_acp6x v: kernel alternate: snd_pci_acp3x, snd_rn_pci_acp3x,    snd_pci_acp5x, snd_rpl_pci_acp6x, snd_pci_ps, snd_sof_amd_rembrandt pcie:    gen: 4 speed: 16 GT/s lanes: 16 bus-ID: 06:00.5 chip-ID: 1022:15e2    class-ID: 0480  Device-3: AMD Family 17h/19h HD Audio vendor: ASUSTeK    driver: snd_hda_intel v: kernel pcie: gen: 4 speed: 16 GT/s lanes: 16    bus-ID: 06:00.6 chip-ID: 1022:15e3 class-ID: 0403  API: ALSA v: k6.7.12+bpo-amd64 status: kernel-api tools: alsamixer,amixer  Server-1: PipeWire v: 0.3.65 status: active with: 1: pipewire-pulse    status: active 2: wireplumber status: active 3: pipewire-alsa type: plugin    tools: pw-cat,pw-cli,wpctlNetwork:  Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet    vendor: ASUSTeK driver: r8169 v: kernel pcie: gen: 1 speed: 2.5 GT/s    lanes: 1 port: e000 bus-ID: 03:00.0 chip-ID: 10ec:8168 class-ID: 0200  IF: eno1 state: up speed: 1000 Mbps duplex: full mac: <filter>  Device-2: Realtek RTL8852BE PCIe 802.11ax Wireless Network    vendor: AzureWave driver: rtw89_8852be v: kernel pcie: gen: 1    speed: 2.5 GT/s lanes: 1 port: d000 bus-ID: 04:00.0 chip-ID: 10ec:b852    class-ID: 0280  IF: wlp4s0 state: down mac: <filter>Bluetooth:  Device-1: IMC Networks Bluetooth Radio type: USB driver: btusb v: 0.8    bus-ID: 3-3:4 chip-ID: 13d3:3571 class-ID: e001 serial: <filter>  Report: hciconfig ID: hci0 rfk-id: 0 state: up address: <filter> bt-v: 3.0    lmp-v: 5.2 sub-v: 91cb hci-v: 5.2 rev: dfb7  Info: acl-mtu: 1021:6 sco-mtu: 255:12 link-policy: rswitch hold sniff park    link-mode: peripheral accept service-classes: rendering, capturing, object    transfer, audio, telephonyDrives:  Local Storage: total: 715.41 GiB used: 51.67 GiB (7.2%)  SMART Message: Required tool smartctl not installed. Check --recommends  ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Samsung    model: MZVLB256HAHQ-000H1 size: 238.47 GiB block-size: physical: 512 B    logical: 512 B speed: 31.6 Gb/s lanes: 4 type: SSD serial: <filter>    rev: EXD70H1Q temp: 37.9 C scheme: GPT  ID-2: /dev/nvme1n1 maj-min: 259:5 vendor: Western Digital model: WD PC    SN740 SDDPNQD-512G-1102 size: 476.94 GiB block-size: physical: 512 B    logical: 512 B speed: 63.2 Gb/s lanes: 4 type: SSD serial: <filter>    rev: 73113000 temp: 35.9 C scheme: GPTPartition:  ID-1: / raw-size: 233.42 GiB size: 228.7 GiB (97.98%)    used: 51.64 GiB (22.6%) fs: ext4 dev: /dev/nvme1n1p7 maj-min: 259:12  ID-2: /boot/efi raw-size: 260 MiB size: 256 MiB (98.46%)    used: 37.8 MiB (14.8%) fs: vfat dev: /dev/nvme1n1p1 maj-min: 259:6Swap:  Kernel: swappiness: 60 (default) cache-pressure: 100 (default)  ID-1: swap-1 type: partition size: 977 MiB used: 0 KiB (0.0%) priority: -2    dev: /dev/nvme1n1p8 maj-min: 259:13Sensors:  System Temperatures: cpu: 60.4 C mobo: N/A gpu: amdgpu temp: 57.0 C  Fan Speeds (RPM): cpu: 2400Repos:  Packages: 2243 pm: dpkg pkgs: 2196 libs: 1041    tools: apt,apt-get,gnome-software,synaptic pm: flatpak pkgs: 47  Active apt repos in: /etc/apt/sources.list    1: deb http://deb.debian.org/debian/ bookworm main contrib non-free non-free-firmware    2: deb-src http://deb.debian.org/debian/ bookworm main contrib non-free non-free-firmware    3: deb http://deb.debian.org/debian/ bookworm-backports main non-free-firmware    4: deb-src http://deb.debian.org/debian/ bookworm-backports main non-free-firmware    5: deb http://security.debian.org/debian-security bookworm-security main non-free-firmware    6: deb-src http://security.debian.org/debian-security bookworm-security main non-free-firmware    7: deb http://deb.debian.org/debian/ bookworm-updates main contrib non-free non-free-firmware    8: deb-src http://deb.debian.org/debian/ bookworm-updates main contrib non-free non-free-firmware  Active apt repos in: /etc/apt/sources.list.d/apandada1-ubuntu-brightness-controller-bookworm.list    1: deb https://ppa.launchpadcontent.net/apandada1/brightness-controller/ubuntu/ bookworm main  Active apt repos in: /etc/apt/sources.list.d/vscode.list    1: deb [arch=amd64,arm64,armhf] https://packages.microsoft.com/repos/code stable mainInfo:  Processes: 432 Uptime: 23m wakeups: 1 Memory: 14.95 GiB  used: 5.98 GiB (40.0%) Init: systemd v: 252 target: graphical (5)  default: graphical tool: systemctl Compilers: gcc: 12.2.0 alt: 12  Shell: Bash v: 5.2.15 running-in: gjs inxi: 3.3.26