New desktop shut off by itself and wont turn back on

crazy4my2monkeys

Reputable
May 21, 2014
1
0
4,510
Just purchased on Sunday, (specs link below). Today it shut down on its own and won't turn back on.  What happened?  Here is a list of what has been done on it.
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Bestbuy - Purchased around noon on Sunday May, 18, 2014

11:00pm Sunday 5/18/14
Open box, connect computer, power on, runs through initial setup with Admin user account. Logoff and shutdown

3:30pm Monday 5/19/14
Admin login, Setup second "standard" user account for Colin. Logoff and Shutdown

6:00pm Monday 5/19/14
Colin login, pays bills. Logoff and shutdown

1:00pm Tuesday 5/20/14
Admin login to obtain MAC address for router, using CMD ipconfig/all. Exit command. Input MAC address into router. Downloaded Google Chrome. Logoff and shutdown.

5:30pm Tuesday 5/20/14
Colin login, while browsing through ebay, computer turns off on its own, monitor displays "no signal", computer will not turn back on now.
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SPECS
http://www.bestbuy.com/site/dell-inspiron-3000-series-desktop-intel-pentium-4gb-memory-500gb-hard-drive/2999138.p?id=1219085625387&skuId=2999138&st=dell%20inspiron%203000&cp=1&lp=1