Check out VGA (Video Graphic Array)

VGA is a device used to display images on a monitor, usually built-in on the motherboard. If the VGA card is bad, it will sound like T.

Check out the power supply is bad or not

The power supply is mainly used to power a computer. To find out if the power supply is bad, connect one of the green wires on the power supply to any black wire and plug in the light.

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