[ The PC Guide | System Care Guide ] Data Loss and Virus Prevention The hardware in your system will work better and more reliably, and last longer, if it is maintained regularly according to the directions I outline in this Guide. But ultimately you can "get away with" poor preventive maintenance practices in most cases; at worst your hardware will fail and you will have to replace it. Expensive, but not the end of the world, usually. However, there is one thing that if lost, cannot be readily replaced: your data. Data can never be properly replaced; it can only be protected against loss. This is why it is so critical that you take positive, proactive steps to reduce your chances of catastrophic data loss. This chapter examines the risks to data, and how to prevent, detect and correct problems that may threaten it. This includes a look at viruses, what they are, and how to deal with them.
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