我无法调整笔记本电脑的亮度。以下是硬件和操作系统规格：
description: Notebook
product: 82K6 (LENOVO_MT_82K6_BU_idea_FM_Legion 7 16ITHg6)
vendor: LENOVO
version: Legion 7 16ITHg6
Linux 5.10.0-21-amd64 #1 SMP Debian 5.10.162-1 (2023-01-21) x86_64 GNU/Linux
plasmashell 5.20.5
Qt: 5.15.2
KDE Frameworks: 5.78.0
kf5-config: 1.0
*-display
description: VGA compatible controller
product: GA104M [GeForce RTX 3070 Mobile / Max-Q]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
logical name: /dev/fb0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller cap_list fb
configuration: depth=32 latency=0 mode=2560x1600 visual=truecolor xres=2560 yres=1600
resources: iomemory:600-5ff iomemory:620-61f memory:6d000000-6dffffff memory:6000000000-61ffffffff memory:6200000000-6201ffffff ioport:5000(size=128) memory:6e080000-6e0fffff
*-display
description: VGA compatible controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: iomemory:620-61f iomemory:400-3ff irq:168 memory:622d000000-622dffffff memory:4000000000-400fffffff ioport:6000(size=64) memory:c0000-dffff memory:4010000000-4016ffffff memory:4020000000-40ffffffff
当我按下笔记本电脑上的亮度控制按钮时，屏幕上会显示显示图标，指示我正在调整亮度，但亮度实际上并没有改变。如果我从设置中调整亮度滑块，也会发生这种情况。
有什么想法可以修复这个问题以便我可以调整亮度吗？