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HP ProBook 450 G6 Notebook PC
Ubuntu LTS

Problem with laptop turning on 

 

When connected to power, nothing happens when I press the power button. Charge light is inconsistent when plugged in 

When on battery, the power button lights up. I then get "insufficient power" error code followed by "CPU failure". 

I have tried replacing the battery (which made it work fine for like, 2 days) moving the RAM cards around and plugging it into different outlets. 

Does anyone know if this is a power supply or motherboard issue? Or maybe something else? 

TIA

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