Why is my computer not turning on?

From childhood I had this PC of which I used to use all the time, but kinda forgot about, but recently I bought some Pc parts (PC case and power supply ) than replaced them.

At first it turned on just fine and I checked out my old files, but seeing as how it was late I decided to turn it off and go sleep when I turned it on again there was no response

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6 Comments:

What do you mean by no response? Do the fans spin when you hit the power button? Are there any LEDs on the motherboard that light up when?

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Hi @sithaguorifh98

Since you have selected a custom built PC what is the make and model number of the motherboard?

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@thewatermelloan

It turns on, and the LEDs light up and everything even the fans, but there's still no display on the monitor

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@sthxgu

what is the make and model number of the motherboard, CPU and GPU?

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@sthxgu

Make sure you're plugging the display cable into the graphics card and not the motherboard

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