laptop keyboard function keys are working but brightness, sounds, wifi, etc are not working

[I_Vaibhav]

laptop function keys are working such as- esc, f1,f2...delete. but the keys which help in laptop genaral access keys such as- brightness and sound control, wifi, projection etc. are not working perhaps after windows update.

pls help me amigos

[Riddle_Decipher]

@I_Vaibhav Welcome to HP Community!

Here’s the step by step guide for you:

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
    
6. If the above link doesn't work or help, look for drivers on the HP website: click here
7. Click here if you cannot find any driver for hotkey or virtual buttons on the hp website.

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If the above doesn't help, please create another User account as suggested earlier and try again.

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