How to use software to repair bad sectors of the hard disk

Bad sectors are like lurking in the hard disk "black hole", if the data is accidentally written into it, it is possible to "smoke out". In order to avoid this problem, we need to accurately detect bad sectors and try to “detour”.

Hard disk bad sectors can be divided into logical bad sectors and physical bad sectors. Logical bad sectors are caused by software problems caused by abnormal shutdown or error in hard disk formatting, and can be solved by various effective methods. The physical bad sectors are physically damaged due to the hard disk track, so the data will never be written to this sector. The physical bad sectors cannot be repaired by the general method, but they can be stored by software to bypass the bad sectors. data. Below, we will try to use different methods to repair the bad sectors of the hard disk.

The first technique: system self-test to repair bad sectors

We run “Disk Scanner> (scandisk), scan all hard drives. During the scanning process, if the progress suddenly stagnates, and a red “B” appears on the screen. Then, it means that there are bad sectors.

Tip: This method does not apply to partitions in NTFS format.

If you find that the hard disk has bad sectors by the above method, you can fix it as follows. Select “Control Panel”→“Administrative Tools”→“Computer Management" in the left side view of the pop-up window, click “save”→“disk management”, then right All drives are visible in the side list. We right-click on the pre-processed drive letter and select “Properties> from the pop-up menu. In the pop-up window, switch to the <quo;Tools" tab, click here &#&#> “ Start check & rdquo; button, check the "Scan and try to recover bad sectors" check box in the pop-up dialog box. Finally, confirm that the operation begins to check and try to fix it.

2nd Technology: Using "bad source repairs with efficiency sources" & rdquo; more effectively repairing bad sectors

Here, we will use “efficiency source bad track fixes”, This software specializes in all kinds of bad sectors (logical, physical, ECC errors) of the hard disk. Compared with the above methods, it is better, more efficient and more powerful.

First of all, you must first open a blank floppy disk write protection, insert the floppy drive. Then run “ efficiency source hard disk bad track detection & rdquo; installer, click the "generate boot disk" button in the installation interface, start copying files until the installation is complete.

After that, everyone restarted the computer, booted the system with a floppy drive, and entered the main interface of the program.

In the menu list on the left, you can select “hard drive full detection" or “hard drive advanced detection”. The former is a routine test method, so we don't need to repeat it. Let's focus on the latter.

After entering the interface, the user can set the scan 'start position' and rdquo; and “end position" (in percentage), specify the drive letter, and finally confirm the operation, if Finding bad sectors will be visually displayed in the program interface.

You can use this flexible method to minimize the time spent on hard disk detection. In addition, if you select the “hard disk bad track list” in the main menu, you can view the bad track information in detail.

In the advanced detection mode of the hard disk, you can use the Esc key to enter the “Start position”, ““ end position” and “current hard disk” options. After the test is completed, the bad track can be repaired in a targeted manner.

3rd Technique: Using Wipeinfo to Repair Bad Roads

Assuming that the drive F has bad sectors, you can operate as follows. First, in the DOS environment, enter the command: Format F: /U

Note: must add the parameter U, its role is to unconditionally format the disk, do not retain any of the original information, so you can remove the bad cluster mark .

After confirming the operation, if the hard disk is damaged, you can run the Scandisk command to make it pass smoothly. On the contrary, the disk cannot be detected temporarily, because when the hard disk is seriously damaged, the Scandisk will re-mark the bad cluster, and the previous step is equal to white.

Enter the Windows environment and run the Norpe Utilities (Norton Utilities is a well-known repair and maintenance kit that can effectively help the system improve performance.) in the Wipeinfo program. Among them, the erase mode selects “Free Space”, and the erase type selects “Government Wipe”. In the case that the bad cluster mark is not removed, the Wipeinfo for Windows does not go to the bad track area, so you must first perform the operation of the DOS environment mentioned at the beginning; while the DOS version of Wipeinfo must be cheap and can't support the partition of 2GB or more. And does not support the FAT32 file format.

Finally, restart the computer and enter the DOS environment to execute the Scandisk command. If successful, it will pass smoothly. This method should be able to repair most of the hard drive logic bad sectors.

4th Technology: Shielding hard disk physical bad sectors

Since the chance of physical bad track repair is very small, it is necessary to separate it into a partition and hide it to avoid again Read and write. We can use the PartitionMagic software to detect the bad sectors of the hard disk through the disk scan command, and then set the bad sectors separately (this is the most basic function of the program, so it will not be introduced). After that, execute the command to hide it.

Finally, let's take a look at how to avoid bad sectors on the hard disk:

1. When the hard disk is working (the hard disk light on the chassis is on), it cannot be suddenly turned off.

2. To prevent the working environment temperature and humidity from being too high.

3. The current indoor dust should not be too much to affect the heat dissipation of electronic components in the hard disk.

4. The hard disk cannot move during working conditions to avoid impact or bumps.