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Desktop won’t power on

HP Recommended
Hp Envy Desktop 750-114
Microsoft Windows 10 (64-bit)

Desktop won’t power on, the back of the desktop green light blinks but nothing turns on including the fans inside the desktop. Do you think it’s the motherboard? 

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If the power supply is good the green light should be solid and not blinking. Since yours is blinking it sounds like you have  bad power supply.

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