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HP Recommended
ProBook 450 G2
Microsoft Windows 10 (64-bit)

I recently reset my PC after a virus infection, and as soon as I started working, I noticed that the fn brightness keys were not working. I was able to use all other fn keys, except for those related to brightness. I was able to change the brightness from the Windows Mobility Center, or from the Battery tab in the Taskbar.

 

I read a few other forums telling me to update my drivers. I checked, and all my drivers were up to date. I uninstalled and re-installed my graphics drivers (Intel HD 4400) and notciced no change. I also tried to enable the Generic PnP Monitor, but found that it was already enabled.

 

On other thread, I read that I should intall HP System Event Utility, and restart. I did so, and found that the fn keys were responding, but not ideally. There was a delay after pressing the keys. I had to wait about 5 seconds before the the brightness went up or down a level, and any other presses (on the fn keys) during that time  (the 5 seconds) were not taken into account.

 

I would really love to be able to use my laptops the same way I could before the reset.

 

Thank You

Regards

Randromeda

1 ACCEPTED SOLUTION

Accepted Solutions
HP Recommended

Hi Randromeda,

 

Thank you for Choosing Hp:)

 

Please find the Plan of Action for this issue might work to resolve

 

* Do the Windows update first.

 

* Try to update the Hotkey driver from below URL:

 

http://h20564.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=6943827&swItemId=ob_176103_1&swEnvOid=419...

 

* Update the latest Display drivers :

 

http://h20564.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=6943827&swItemId=ob_176908_1&swEnvOid=419...

 

* Latest Chipset Drives

 

http://h20564.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=6943827&swItemId=ob_173443_1&swEnvOid=419...

 

Finally install the Hp Support Assistant where it will check drivers it will ask to you update,

 

http://h20564.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=6943827&swItemId=ob_174022_1&swEnvOid=419...

 

Update above all it will help you improve the Performance

Please click ‘Accepted Solution’ on the post that solves your issue to help others find the solution. To show appreciation for my help, please click the ‘Thumbs Up’ Icon below.


I am an HP Employee

View solution in original post

2 REPLIES 2
HP Recommended

Hi Randromeda,

 

Thank you for Choosing Hp:)

 

Please find the Plan of Action for this issue might work to resolve

 

* Do the Windows update first.

 

* Try to update the Hotkey driver from below URL:

 

http://h20564.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=6943827&swItemId=ob_176103_1&swEnvOid=419...

 

* Update the latest Display drivers :

 

http://h20564.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=6943827&swItemId=ob_176908_1&swEnvOid=419...

 

* Latest Chipset Drives

 

http://h20564.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=6943827&swItemId=ob_173443_1&swEnvOid=419...

 

Finally install the Hp Support Assistant where it will check drivers it will ask to you update,

 

http://h20564.www2.hp.com/hpsc/swd/public/detail?sp4ts.oid=6943827&swItemId=ob_174022_1&swEnvOid=419...

 

Update above all it will help you improve the Performance

Please click ‘Accepted Solution’ on the post that solves your issue to help others find the solution. To show appreciation for my help, please click the ‘Thumbs Up’ Icon below.


I am an HP Employee
HP Recommended

Thanks a lot.

 

The Hotkey Support woked.

 

Everything is back to normal.

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.