Brightness FN keys no longer working after update to 1803 on Probook 450 G5

T

t3hMan

Hello,


After the last Windows update, among many other things, my Fn keys for brightness stopped working. I'm using a HP Probook 450 G5 and the combination Fn+F3/F4 doesn't work, so I can no longer adjust my brightness using the keyboard. I tried both with Fn lock on and off, no luck. I have the latest drivers installed for the integrated graphics card and there's no external one. My other Fn keys seems to be working, I can adjust the volume, go into airplane mode, except the one on F8, which is for muting the built in microphone and has been broken by Microsoft's latest update as well. They worked just fine before it installed, so I'm sure that's the cause.


Here's some additional info about the system:


OS Name: Microsoft Windows 10 Pro
OS Version: 10.0.17134 N/A Build 17134
OS Manufacturer: Microsoft Corporation
OS Configuration: Standalone Workstation
OS Build Type: Multiprocessor Free
Registered Owner: Hewlett-Packard Company
Registered Organization: Hewlett-Packard Company
Original Install Date: 15.5.2018 г., 14:27:53
System Boot Time: 16.5.2018 г., 17:00:50
System Manufacturer: HP
System Model: HP ProBook 450 G5
System Type: x64-based PC
Processor(s): 1 Processor(s) Installed.
[01]: Intel64 Family 6 Model 142 Stepping 10 GenuineIntel ~1792 Mhz
BIOS Version: HP Q85 Ver. 01.02.04, 30.1.2018
Hotfix(s): 2 Hotfix(s) Installed.
[01]: KB4103729
[02]: KB4103721

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