F2 F3键失灵无法控制屏幕亮度

[A一大闪秋梨膏]

Operating System: Windows 10 家庭中文版 64-bit (10.0, Build 18362) (18362.19h1_release.190318-1202) System Model: HP Pavilion Laptop 15-ck0xx Processor: Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz (8 CPUs), ~1.8GHz --------------- Display Devices --------------- Card name: Intel(R) UHD Graphics 620 Manufacturer: Intel Corporation Chip type: Intel(R) UHD Graphics Family DAC type: Internal Device Type: Full Device (POST) Device Status: 0180200A [DN_DRIVER_LOADED|DN_STARTED|DN_DISABLEABLE|DN_NT_ENUMERATOR|DN_NT_DRIVER] Device Problem Code: No Problem Driver Problem Code: Unknown Display Memory: 4167 MB Dedicated Memory: 128 MB Shared Memory: 4039 MB Current Mode: 1366 x 768 (32 bit) (60Hz) HDR Support: Unknown Display Topology: Internal Display Color Space: DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709 Color Primaries: Red(0.574219,0.341797), Green(0.344727,0.574219), Blue(0.160156,0.131836), White Point(0.312500,0.328125) Display Luminance: Min Luminance = 0.500000, Max Luminance = 270.000000, MaxFullFrameLuminance = 270.000000 Driver Name: C:\WINDOWS\System32\DriverStore\FileRepository\ki126950.inf_amd64_fa7f56314967630d\igdumdim64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\ki126950.inf_amd64_fa7f56314967630d\igd10iumd64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\ki126950.inf_amd64_fa7f56314967630d\igd10iumd64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\ki126950.inf_amd64_fa7f56314967630d\igd12umd64.dll Driver File Version: 23.20.0016.4973 (English) Driver Version: 23.20.16.4973 DDI Version: 12 Feature Levels: 12_1,12_0,11_1,11_0,10_1,10_0,9_3,9_2,9_1 Driver Model: WDDM 2.3

[Justisy]

先试按Fn+ESC有没有系统信息窗口弹出。没有的话，快捷键驱动失效了。重装驱动。

[Chen_long]

15-ck0xx
Win10 1903
先安装
微软应用商店 (Microsoft Store) 中安装 HP System Event Utility 的UWP应用。
https://www.microsoft.com/store/productId/9P4W8RFN9M2T

如果无效，再安装
Intel High-Definition (HD) Graphics Driver
https://ftp.hp.com/pub/softpaq/sp88001-88500/sp88069.exe

[A一大闪秋梨膏]

均无用，其他驱动均有用，先只能调出显卡控制面板进行调节

[y2kim]

安装hp System event utility

https://www.microsoft.com/store/productId/9P4W8RFN9M2T

[Justisy]

把win10退回到之前的版本，驱动用老版本，看怎么样。