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HP EliteBook 840 G4 Notebook PC
Microsoft Windows 10 (64-bit)

Hi there,

I've EliteBook 840 G4, I'm facing an issue that, it's not turning on, Caps lock 🔐 and NUM lock 🔐 keys blinking 7 times, Power Button light is off, AC adapter light is white everytime whether charging cable is connected or not, couple of days ago i faced this issue but it was resolved automatically.

Yesterday i faced again, I did every possible solution, but all not worked, I put it in sunlight for 10 minutes then it was turned on.

Today, I'm facing same issue again, I don't know what to do. I'll be happy if you guys can solve this issue.

Thank you 

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