Ask Hp 840 G5. Bios problem

[MFZ]

Hello! I have hp 840b G5. No display problem. I program main bios. Display coming but as windows loading desktop, display shift to external led only. Internal Led have no picture. And keyboard also not working. After repeat bios program. A message appears.

Hp Endpoint controller problem.
Plz. Share Clear bios. Thank

 

[ThienBui]

error this need buy patch 15$

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