PC theft is becoming more and more general in our planet. There is an information from research institution, one in ten computers purchased these days will be stolen within one year. However, only three percent will be returned. PC stolen will create problem to you. Not because of the cost of the loss computer, but there are numerous personal data and information in the lost computer that it may bring numerous issues to you. Today we suggest several guides to prevent PC theft and several guides for PC data safety.