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Guidelines
Here is the solution to resolve PCI Express Root Complex driver Issue Click here to view the instructions!
HP Recommended
HP EliteBook 840 G5 Base Model Notebook PC
Microsoft Windows 10 (64-bit)

My PC is not recognized or able to detect touch screen installed in my system, I have tried many solution available online and visited the local technicians, some one said your touch screen might have been locked in bios. Now I am unable to use it. 

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