Have you ever tried to restore your computer manually when computer freezes up? If so, you may be familiar with backup files which are very important for reinstalling computer. Well, in this article I would like to introduce some common questions about backing up files and their solutions.

System files are stored in the C disk. However, since there are a large number of files in it, it takes up too much disk space to back them up entirely. You need to make a choice what kind of files needs to back up.

As a matter of fact, some important files are monitored by the system and can be replaced automatically when being changed. If you think it is not safe enough to protect computer, it is OK open system restore in the C disk as long as you can endure that such function may slow down computer speed.

How long should you update spare files? Is it necessary to delete the former one?

What you need to back up is data files and all the necessary for you. You can save them to other disks, CD or upload to mailbox. At the same time, you have to face a problem that if the updated files cannot cover the previous, there must be a large number of useless backup files in the computer. It is a hassle. And how can you identify which ones are unnecessary? In such condition, I recommend you to use a specific file cleaner to fix such problem—to find and remove the duplicate files and synchronize with the system.

How to restore system?

Normally, system files problems are caused by incomplete removing programs and registry malfunction. If so, system will run slower and slower and it is easy to go wrong. At this moment, you can use system restore to make computer return to previous timing point so as to get computer back to the normal state.

You can click “Start” > “All Programs” > “Accessories” > “System Tools” > “System Restore” or to reinstall system in the last resort.

To back up files can do well to your computer for sure, but you also need to learn some tips to fix the problems or to use third-party tools to back up files smoothly.

Key words: back up files, backup files, system restore, restore system duplicate files, system files