Computer Hope

Dear Reader
I was gaming on my pc then at this moment my screen started to show me random colors that moves Really fast that appear everyware on the screen then i got shocked,then i tried to turn off my pc and turn it on again but its still going on , then i thought it was overheated then i give it a rest for 2 hours and half , then i tried agine to start it up, but now the screen is white and there is horizontal colors still there,then i tried to plugoff the VGA cable and turn the monitor off and on again but it still there. It couldnt be broken because it happened front of my eyes with no physical damage

Thank for reading