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‎09-29-2017 11:55 PM

HP Recommended
Product: hp g 42 360 tx
Operating System: Microsoft Windows 7 (32-bit)

I couldn't adjust my screen brightness through keyboard or power plan, I couldn't find it anywhere.

and i have a problem, in my device management they said couldn't find the driver for pci simple cmmunication controller with hardware id PCI\VEN_8086&DEV_3B64&SUBSYS_1426103C&REV_06.

 

thank you for your answer

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‎09-30-2017 01:18 AM

HP Recommended

Usually missing graphics driver causes inability to adjust brightness. You need Intel MEI driver for the pci error.

https://support.hp.com/us-en/drivers/selfservice/hp-g42-300-notebook-pc-series/4247520/model/4296677

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View solution in original post

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7 REPLIES 7

‎09-30-2017 01:18 AM

HP Recommended

Usually missing graphics driver causes inability to adjust brightness. You need Intel MEI driver for the pci error.

https://support.hp.com/us-en/drivers/selfservice/hp-g42-300-notebook-pc-series/4247520/model/4296677

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‎09-30-2017 04:11 AM

HP Recommended

at first i used windows 10 64 bit with graphics amd 5000 hd series, but then something happened and i had to reset my laptop and change to windows 7, so far i use standrad vga adapter because i couldn't find the amd 500 series for window 7. what should i do?

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‎10-01-2017 02:14 AM

HP Recommended

I posted the link to your driver page in my Reply above. I will post it again here:

https://support.hp.com/us-en/drivers/selfservice/hp-g42-300-notebook-pc-series/4247520/model/4296677

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‎10-01-2017 02:38 AM

HP Recommended

the pci problem has gone, now the only problem remain is the brightness adjustment. thank you

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‎10-01-2017 02:52 AM

HP Recommended

The AMD Graphics driver didn't fix the brightness controls? Have you restarted the laptop?

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‎10-07-2017 12:57 AM

HP Recommended

yes i have restart my laptop

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‎10-07-2017 10:52 PM - edited ‎10-07-2017 11:01 PM

HP Recommended

@aisyahdm

Try installing the Intel graphics driver too.The AMD driver should have installed both intel/amd but try it as seperate install.

Install HP Quick Launch Software under category Software-Solutions on your driver page.

Have you tried fn + brightness key as well as brightness key alone?

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