Laptop won’t even power up, Black screen

We have virus protection and now it won’t even power up screens just dead, we got it at Best Buy but the warran

Brian,
We request you not to post multiple times for the same issue, you won't obtain an answer to your query faster.
Please refer your other posting via https://support.avg.com/answers?id=9060N0000000ZC6 .
Thank you.