My card graphics stopped working

Mar 18, 2018
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My card graphics was working great. But it SUDDENLY JUST stopped. When ever I turn my pc on. The screen turns black. With a note saying No Single. I changed the card graphics by a second one. and it didn't work to. So I think the motherboard is the probleme. So what should I do. Thanks. Please help
 
Solution
Try resetting the cmos on the mobo. There is either a button/switch or with the power OFF remove the battery on the mobo and put back in then boot up.