4 functional keys do not operate after Windows 10 package1803 installation

[SB_Elitebook]

Functions: "displays switch", "brightness", "microphone mute" (buttons F1, F3, F4, F8) do not operate after upgrade by 1803 Windows 10 package.  

Please, advice what to do. 

Best regards,

SB

[sandytechy20 · Accepted solution]

@SB_Elitebook

Welcome to the HP Forums, this is a great location to get assistance! I read your post and see that the Fn keys are not working. I would like to help you resolve this issue. 

Follow the below steps to fix this issue:  

1. Click the Start button, then click Run.   

2. In the Run window, next to Open, type MSCONFIG.   

3. Press the ENTER key.   

4. In the System Configuration Utility window, click the Startup tab.   

5. On the Startup tab, under Startup Item, ensure that there is a check in the HKserv checkbox.   
    
   NOTE: If HKserv is missing, reinstall the Hot-Key Utility application by Clicking here 
   For Windows 10 drivers: https://hp.care/2l5IJGL

(ignore the ads, 3rd party link has been sent to ensure your issue is fixed, I'm going beyond my way to help you)

If this helps, please mark my post as an accepted solution so that it benefits several others and please give the same public post a Kudos for my efforts to help.
Take care and have a blessed week ahead.

Cheers.

[SB_Elitebook]

Thanks! Hot-Key Utility really helped. The only strange thing is that it is shown as "Program" in StartUp without any link to HP (but it is not the problem, just fyi).

Best regards,

SB

[sandytechy20]

@SB_Elitebook

Thanks for the reply.

I appreciate your time and effort.

Good to know that issue is resolved.

Feel free to contact us in future if you need any assistance.

Cheers.

[pumi]

Hi, sorry, but all of your links was marked by my AntiVirus software.

Can you tell me when will come the official releases from this HP Hot Key drivers for my HP 840 G1 notebook?

Regards,

William