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‎07-16-2018 03:44 PM

HP Recommended
Product: HP Probook 450 G5
Operating System: Microsoft Windows 10 (64-bit)

I bought a HP ProBook 450 G5 and the F3 and F4 buttons were working for about 2 months but then stopped working, stopping me from altering the brightness. I really don't know how it could have happened. 

Please help me.

 

Thanks in advance

3 REPLIES 3

‎07-16-2018 05:46 PM

HP Recommended

Install or reinstall latest graphics driver from your Support page:

https://support.hp.com/us-en/drivers/selfservice/hp-probook-450-g5-notebook-pc/17047142

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‎07-17-2018 03:29 PM

HP Recommended

Dear Cheryl,

 

Thanks for your quick answer!

 

I downloaded them all, even the latest Hotkey Support but nothing seems to work.. It only says that I already got the latest verison of the driver.  

 

I really don't know what to do.

 

 

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‎07-17-2018 04:04 PM

HP Recommended

In Device Manager  right click and Uninstall graphics adapter. Restart and Windows will reinstall the driver. Sometimes that helps with F3 and F4. Similarly it helps with volume keys problem to Uninstall audio device.

If no joy, I would next try a hard reset/power reset:

http://support.hp.com/us-en/document/c01684768

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