my Nvidia G720m can't be detected on my Laptop,is it because Virus or something else

Cryoburn101

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Apr 16, 2014
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More information is needed for us to accuretly help you. What model/brand is it? New/used? How long have you had it? What is your OS?

I doubt its a virus, but you can always check with a program such as Malwarebytes.
Just off the top of my head, try installing the latest drivers, that may fix any issues you are having.