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Hello everyone, Lin Fei to answer the above questions, repair disk dos command, repair disk many people do not know, now let's take a look!

How to repair the hard disk boot area? Because the hard disk will be used to fill all kinds of important data, hard disk failure is the biggest fear of every netizen. However, sometimes you will encounter things that you are afraid of. In real life, hard disk failure is not uncommon. For non-computer professionals, you can also do some simple hard disk repair work. So, what is the solution to hard disk failure?

First, how to repair the damage of the master boot record.

1. Fault performance

The destruction of the main boot area record is a common hard disk soft failure-when the system starts, the system prompts "non-system disk or disk error, replace the disk, press the key to restart".

two。 The cause of this fault and its solution

One of the causes of this failure is a missing CMOS parameter or an incorrect hard drive type setting. All we have to do is reset the hard drive in the BIOS settings (all can choose "automatic", BIOS can set itself).

Another reason is that the system boot program is not installed or the hard disk maintenance is damaged, such as accidentally deleting or moving the system files in the root directory of disk c to another place, so that the system cannot boot.

To determine if the bootstrap in the system is faulty, you can boot the system with a boot disk. If you can see logical partitions such as C, D, E, etc. The files in the hard disk and in the partition in the DOS state are usually just the bootstrap program being corrupted. When repairing the hard drive, you can fix the problem by reinstalling the operating system.

If the above two reasons are excluded, it means that the record of the main boot area of the hard disk may be damaged, and we can try to repair it with the help of tools.

Tip: the main boot area of hard disk maintenance is the most sensitive part of hard disk. The record of the main boot area is used to check the correctness of the hard disk partition and determine the active partition, and is responsible for transferring the boot power to the operating system in the active partition. If this program is broken, it will not be able to boot from the hard drive.

3. Use tools and software to repair the master boot record.

2. How to repair the bad track of 3354 hard disk

A variety of problems may occur when the hard drive is used for a long time, and the "bad track" of the hard disk is the most common problem. In addition to the quality and aging of the hard disk, the main reason for the bad track of the hard disk is that the hard disk is not treated well in its usual use. for example, too little memory, frequent access to the hard disk by application software, too many hard disk fragments, improper overclocking, poor power quality, high temperature, poor dustproof, vibration and so on.

Hard disk bad tracks are divided into logical bad tracks and physical bad tracks. The former is soft and bad, which is usually caused by improper operation or the use of software, and can be repaired by software. The latter is a real physical bad track, indicating that there is physical damage on your hard disk track, which can only be solved by changing the use of the hard disk partition or sector.

1. Repair the hard disk and repair the bad logic path.

Start with the easiest way. With the help of the ScanDisk tool under Windows, select the drive letter in the browser, right-click, and then select "tool to start checking" in the pop-up drive properties window. Hard disk repair sets the scan type to full scan, select automatic error repair, and then click start. Scan time varies depending on disk capacity and scanning options.

2. The hard disk maintenance uses the disk scan program to check the physical bad path.

The hard drive cannot fix the physical bad path. It can only mark it as a bad track and then stop reading and writing to the area. The physical bad track is "contagious" and spreads to the outside, putting data stored near the bad track at risk.

3. Hard disk repair software hides physical bad channels.

Hard disk maintenance uses PartitionMagic5.0/6.0 to process the hard disk. PartitionMagic can repartition the hard disk, dynamically change the size of the partition, change the file format of the partition, hide or show the existing partition and so on. Without destroying the data. The DOS version of PartitionMagic5.0/6.0 is copied on the floppy disk, and the Windows 98/Me boot disk is used to boot the system and run PQMAGIC.EXE on the floppy disk.

Third, how to repair the bad path of the hard disk

For example, if the capacity of drive C is 10GB, we only need to adjust the free space to around 3GB, then the capacity of drive C becomes 7GB. In the process of hard disk maintenance, it is recommended to choose a slightly larger shielding space, rather than haggling over the lost capacity, so as not to divide the bad track into the space of disk C. After all, today's hard drives are often 80GB to 120GB, losing only a few gigabytes of capacity, saving a hard disk is also worth it. After exiting, wait for PQ Magic to move the partition, and then reboot, the bad path of the hard disk is already hiding the partition, and the operating system cannot access it. By using this method, the author successfully shielded the bad track of a 80GB hard disk, and its use is still stable. (note: it is recommended that new partitions be scanned after the bad track masking is complete. It is still recommended to use Scandisk to ensure that the bad tracks are completely shielded to hidden partitions. Of course, if you feel sorry for the intersecting space, you can also create a new partition before the bad track. Of course, the premise is that the bad tracks are not reclassified into new partitions. However, hard disk maintenance is not recommended to avoid too many partitions and too scattered partitions, which have a great impact on disk performance.)

Of course, this method of shielding partitions is only suitable for cases where the bad tracks of the hard disk are relatively concentrated. If the bad path of the hard drive is scattered, it will be more troublesome. It is recommended to replace the hard disk to ensure the stability of the system and the security of the data.

At the end of this article, I hope it will be helpful to you.

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