blackout shutdown automatically

yaseenr90

Honorable
Jan 1, 2013
17
0
10,510
Don't know why but my computer keep shutting down N turn on automatically. Is it Because of Virus? I check on Avira antivirus and Malwarebytes I found 15 or more virus on Avira antivirus
and 3 objects detected on Malwarebytes so I clean up but its still going off and on. Please let me know why. Also when I turn on my comp the windows screen first turn black for few secs then windows appear.
 
Maybe viruses, maybe hardware issue. Need more details about exactly when it shuts down and is it a full shutdown or a reboot? Any crash screens show up? Does it do it all the time at the same time or when you are doing something random? Does it shut down when it's just sitting there or only when you start using it?

Try running in Safe Mode with Networking (Hit F8 a few times after the BIOS loads), is it stable then?

You need to run the anti-virus programs all the time, many viruses are there to steal information off your computer these days not just to annoy you. Credit card info, email logon info, things like that get stolen if you have an infected system.