Ask hp elitebook 820 G1, Batrrie LED Blinking Orange/White ??

[kh18]

hello sir , i programme the 2 bios for this pc HP 820 G1 , U356, U366 , and when i put the adapter;; the batrrie led Blinking Orange/White , i search for ' blink code hp laptops' i don t find anyting ,

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