TAILIEUCHUNG - The PC Doctor's Fix-it-Yourself Guide- P36

The PC Doctor's Fix-it-Yourself Guide- P36: A technical director for a UK-based computer company who teaches such courses as Caring for Your PC has developed prescriptions for treating sick PCs. Arguing the benefits of fixing it yourself rather than relying on experts, his mission is to empower users with trouble- shooting and safe repair skills. | Chapter 17 Backup Copyright 2004 by The McGraw-Hill Companies. Click here for terms of use. 350 The PC Doctor s Fix-It-Yourself Guide Go to almost any computer technician repair center technical support engineer or even a PC Doctor with a problem involving loss of your precious data and the first thing you will be asked is Do you have a backup And this won t just be a casual question we will all assume that you ve got one But what is a backup How do you make one What does it contain How does it help you when you ve lost your data Read on What Is a Backup OK start with the basics. What is a backup A backup put in the simplest terms is a copy of your important data. However it isn t just a copy that you make and keep on the same computer. No no no. A proper backup is a copy of the data that is kept somewhere other than the machine where the original data is kept. There are many different types of backups and they vary from the very simple to the very complex. As a home or small-office PC user you are unlikely to want or need a complex backup solution so we are going to concentrate on the solutions that will most likely be of use to you. People are using their PCs more and more and in the process they are creating vast amounts of data. A modem PC has about 10 000 times the storage capacity of a PC available 10 years ago and this space isn t just left blank we are using it Think about the kind of data you have on your machine. Which of the following do you routinely use or create Word processor files letters poetry work files etc. Spreadsheets Digital images Digital photographs Video Email Web downloads paid for and freeware Financial information Game profiles CHAPTER 17 Backup 351 Music Internet favorites Now think about how you d feel if through hard drive failure or virus you lost the lot. Some of it you could replace. You could probably download anything that came from the Internet again and you may be able to reenter any lost financial data from paper records. It

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