New viruses are born every time. Then it spread easily through internet, mini storage circulation and others. Your installed antivirus could be not enough to protect your online computer so your data still at risks. Make sure your steps to protect computer and the data are on right line.
You can prevent data loss or system crash by doing backup regularly. Backup your storage with your known or trusted application available in the market. Use data recovery software to ensure your data security.
Here some tips to protect your computer:
How to choose suitable laptop for you is easy. You need to recognize your real purposes to own the 
If DVD is part of your backup strategy, then you should consider efficient 