What to do if the hard drive appears bad

Hard disk use for a long time there may be a variety of problems, and the hard drive "bad" is the most common problem, hard drive bad way to do?

Hard drive Bad word this is a shocking, people are afraid of words. IBM's reputation has been declining recently. When you use the system Windows system disk scanner ScanDisk scan the hard disk, the system prompts that the hard disk may have bad, then flashed a horror of blue, a small yellow square slowly stretching, and then, on a block marked with a "B" ...

In fact, these bad paths are mostly logical bad and can be repaired. There is no need to send a repair (it is said that the manufacturers have developed self-test tools because it is not enough to repair the half of the hard disk is a good "cruel" fact).

So, what should we do when there is such a problem?

Once the "SCANDISK" scan of the hard drive, if the program prompts for a bad word, first we should re-use each brand hard disk own self-test program for a full scan. Note that the quick scan is not selected because it only detects about 90% of the problem. In order to reassure yourself, it is worthwhile to spend more time here.

If the result of the check is "successful repair", it can be sure that the logic is bad, you can take a breath of the chest, if not, then there is no possibility of repair, if your hard disk is still in the shelf life, then go to replace it.

Because the logical bad path simply marks the cluster number, it is no longer assigned to the file. If it's a logical bad word, just reformat the hard drive. However, in order to prevent formatting possible discards (because the cluster number has been marked as a bad cluster, the formatter may accept the "reality" without checking, and then discard the cluster), preferably a partition, the use of software such as IBM DM is very fast, or ghost overwrite can be, Only these two scenarios are more or less loss of data.

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