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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 Dragonfly 13.5 inch G4 Notebook PC (6Q249AV)
Microsoft Windows 11

When opening the laptop lid more than 90 degrees the entire screen goes black and occasionally flashes what the screen should be displaying, the screen is still responsive in this state and the effect doesn't transfer onto the monitors when occurring. This happens when plugged into the monitors and when it isn't. Any ideas of the cause of this?

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