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Honor Student
Posts: 2
Member Since: ‎04-20-2017
Message 1 of 4 (98 Views)

Fn Key for HP 840 G3 and HP 9480m Screen brightness

Product Name: HP 9480m
Operating System: Microsoft Windows 7 (64-bit)

The Fn key works with all Fn commands on the laptop keyboard (i.e. volume, standby, mic, etc) all except for the brightness keys. Is there a power or bios setting that is causing this?

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Posts: 11,047
Member Since: ‎04-01-2014
Message 2 of 4 (77 Views)

Re: Fn Key for HP 840 G3 and HP 9480m Screen brightness



What is the exact product number, model name of your laptop?

Can you reinstall graphic driver from your HP support page and try fn key again?

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Honor Student
Posts: 2
Member Since: ‎04-20-2017
Message 3 of 4 (66 Views)

Re: Fn Key for HP 840 G3 and HP 9480m Screen brightness

Got it figured out shortly after posting yesterday and it turned out to be the KB driver. 

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Posts: 11,047
Member Since: ‎04-01-2014
Message 4 of 4 (54 Views)

Re: Fn Key for HP 840 G3 and HP 9480m Screen brightness


Glad to know that it got sorted out.

Thank you for the feedback.

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


Click "THUMBS UP ICON" to say "Thank you"

Click "ACCEPT AS SOLUTION" and help others find this fix/answer quickly
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