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The buttons to increase or decrease the brightness of the screen not work

HP ZBook G3 17
Microsoft Windows 10 (64-bit)

Hello,

 

The combination [fn]+ F5/F6 doesn't work.

I can't increase or decrease the brightness of the screen. Neither other combination works. Only the volume shortcut does.

 

How do I fix this?

 

Thanks.

 

Miguel

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Provost Provost
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The buttons to increase or decrease the brightness of the screen not work

Hi,


Install this: https://support.hp.com/us-en/drivers/selfservice/swdetails/hp-zbook-17-g3-mobile-workstation/8693765...

Enable action key in BIOS: https://support.hp.com/in-en/document/c02035108

Source: https://support.hp.com/us-en/drivers/selfservice/hp-zbook-17-g3-mobile-workstation/8693765


Regards

Visruth
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MiHP Tutor
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The buttons to increase or decrease the brightness of the screen not work

Hi Provost,

 

I tried what you wrote, but it didn't work.

I installed the driver and tried to use the brightness function with and without Fn keys in BIOS, but it didn't work.

 

Can I do something else?

 

I can't change the brightness even with the proper menus, it does not appear to me that option.

 

 

Thanks for your support.

 

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The buttons to increase or decrease the brightness of the screen not work



You're welcome.

In that case,
Install this: https://support.hp.com/us-en/drivers/selfservice/swdetails/hp-zbook-17-g3-mobile-workstation/8693765...

Restart system

Then this Intel graphics: https://support.hp.com/us-en/drivers/selfservice/swdetails/hp-zbook-17-g3-mobile-workstation/8693765...

Restart system

Check to see if issue is resolved.
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MiHP Tutor
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The buttons to increase or decrease the brightness of the screen not work

Provost,

 

I tried but it didn't work also...

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Any missing drivers in device manager?

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MiHP Tutor
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The buttons to increase or decrease the brightness of the screen not work

This one:

 

Intel High Definition DSP

 

I don't know if that interfers...

 

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Provost Provost
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The buttons to increase or decrease the brightness of the screen not work



Yes, that is Intel graphics driver you need. I've no idea why graphics driver is not getting detected and installed properly.

Try installing this: https://support.hp.com/us-en/drivers/selfservice/swdetails/hp-zbook-17-g3-mobile-workstation/8693765...

Restart system.

Try manually installing the Intel graphics driver I posted previously

http://www.addictivetips.com/windows-tips/how-to-install-hardware-or-device-drivers-manually-in-wind...
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MiHP Tutor
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The buttons to increase or decrease the brightness of the screen not work

Hi Visruth,

 

I tried both, including the manual mode but it didn't work...

 

Thanks.

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Which all graphic drivers are listed in Display Adapter section in Device Manager?

I'm a Volunteer AND I don't work for HP


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