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Here is the solution to resolve PCI Express Root Complex driver Issue Click here to view the instructions!
HP Recommended
HP EliteBook 820 G4 Notebook PC
Microsoft Windows 10 (64-bit)

After an update, my brightness keys FN+FN5 or FN6 does not work BUT it works in settings when I use the keyboard it pops up with a hotkey support screen. How do I fix this? My laptop is an HP Elitebook 820 G4 Notebook. 

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HP Recommended
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