Bios update for dell systems

Always update the bios of the dell systems to get maximum security.

To update the bios of the dells systems use Dell support center tool to update once click.

To safe from loss create restore points from time to time.

Malware removal

When malware attacked your system,always do a system restore.This helps in preventing some problems.
You can always use microsoft malware removal tool that can be found online
Here
http://www.microsoft.com/security/pc-security/malware-removal.aspx
and
http://www.techsupportalert.com/best-free-trojan-scanner-trojan-remover.htm