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Question

computer no signal black screen

Sep 17, 2017 5:17PM PDT

so whether im playing a game on steam or watching youtube videos or browsing the web my computer cuts out an gives me a black screen with a no signal sign but the tower is still running all lights are on and i can hear the fan running but it wont turn off by the power button i have to kill it with the main power switch on the back please help any one

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