Shulou(Shulou.com)06/02 Report--

Friends who often use laptops and removable hard drives often feel that the speed of the computer becomes very slow when they use it. After finishing the disk and reinstalling the system, the speed is still relatively slow. Friends who understand will go to the Internet to download a hard disk detection software MHDD, scan the hard disk and find that there are a lot of green blocks (VCR hard disk test software scans green blocks as normal, red fast is bad), or even brown or red blocks. This shows that the hard disk has been or is about to appear bad, what is bad?

According to the definition made by the encyclopedia:

The bad appearance of the hard disk is not only due to the quality of the hard disk itself and aging, but also to a large extent due to improper use. According to its nature, the bad track of hard disk can be divided into two types: logical bad track and physical bad track. To put it simply, the logical bad track is caused by some software or improper use, and this kind of bad track can be repaired by software. The physical bad track is a problem with the magnetic media of the hard disk itself, such as physical damage. This kind of fault usually can not be repaired by software. So whether it is a bad logical channel or a physical bad channel, it will lead to abnormal use of the computer or mobile hard disk, and in serious cases, the hard disk can not be recognized and the data can not be read. What if your computer or mobile hard disk has a bad path?

According to previous cases, it is found that the almost unanimous response of users is that the hard drive is prompted to format or cannot access a file or folder when it is used. Yesterday I used it very well. I unplugged once without a normal exit, and the mobile hard disk could not be recognized the next day, and so on. In fact, this kind of phenomenon is that the firmware is damaged or bad channels appear. If there are no important data files in the hard disk, it is recommended to change the hard disk. Once there is important data in the hard disk, you need to find a professional data recovery company to deal with the bad data and firmware problems. I can't recover the data through the pirated software downloaded on the Internet, so I can only recover the data through some foreign and domestic devices, such as ACE's PC3000 and MRT Lab's MRT equipment.

Why do the hard drives we use have bad channels? in fact, the hard drives are bad when they leave the factory, but they are written into the P table and G table in the firmware, so we don't feel bad when we use them or when we test them with software. but when the firmware module is damaged or the disk is magnetically weakened, the bad channel will be released, the hard drive will not work properly, and the following error will occur:

Several solutions to the bad road problem:

First, a small number of bad problems

If you find that the copying speed of files on your computer or mobile hard disk is obviously slow or occasionally report errors, you should quickly back up important files and replace the hard disk in time. Do not wait until the hard disk cannot be recognized or the files cannot be opened completely. Just think of backing up the data or changing the hard disk to achieve real micro-prevention.

Second, the hard disk has a bad fault that it does not recognize or copy data very slowly.

This kind of failure is considered serious. If there is no important data in the hard disk, go directly to the hard disk seller to replace the new disk.

If you have important data, you should try to power up as little as possible and find a professional data recovery center to deal with it as soon as possible. If the bad data is not serious, the integrity of the data can be guaranteed. If there are a large number of bad data, you may not dare to guarantee the integrity of the data, and there is a great possibility of 50% recovery.

Third, there is an abnormal noise in the hard disk and the problem of not recognizing the time when it occurs.

Most of these failures are due to the bad magnetic head caused by the long service life of the hard disk, the aging of the magnetic head assembly or the occurrence of slight banging and collision. this kind of problem is so serious that the power-up time is too long to lead to head damage, disk scratches and data cannot be recovered.

Warm reminder:

The bad channel problem is actually a common failure of the hard disk, which is not terrible, but the unfamiliarity of some users to the principle and working conditions leads to the secondary damage of the hard disk, which may lead to the fatal damage of the hard disk, not only the hard disk cannot be used, the data will never be recovered, so when there are the above problems, please consult the professional data recovery center to ensure that the data will not be destroyed twice, resulting in irreparable regret and loss.

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