We all know that the hard disk is one of the most important hardware of the POS cash register. The data and data on the cash register are automatically stored on the hard disk. Once the hard disk fails, the loss of data can be huge for some customers. Others think that the bad road is very easy to identify, found that what kind of disk doctor and the like software repair on the line, and then can not be low! In fact, hard disk bad sectors can almost be called fatal damage to the hard disk. The user has seen many instances of delays, indiscriminate use of various software repairs, and finally put a large hard disk into a piece of scrap metal.
Repair pos cash register hard disk bad road
For pos cash register hard disk logic bad sectors, we can repair, for the physical bad sectors, we should use isolation methods to minimize losses and prevent the proliferation of bad sectors as the goal. I have seen some people in the newspapers who have said that using a special software to repair physical bad sectors, the most terrible thing is that many people's superstition about low-latency hard drives is really a misunderstanding. The so-called low-level formatting refers to dividing a blank disk out of a cylinder and a track, and then dividing the track into a number of sectors. Each sector is further divided into an identification section ID, a gap area GAP, and a data area DATA. Low-level formatting can only be done in a DOS environment and can only support a single partition for a block hard disk. Some bad tracks and bad sectors can be repaired by low-level formatting, but physical scratches on the surface of a real hard disk cannot be repaired. Only the location of bad sectors can be marked in various ways so that the operating system does not go. Use to prevent the expansion of bad sectors and thus extend the hard disk usage. In particular, I would like to stress that low-level formatting is a lossy operation and has a certain negative impact on the life of the hard disk. Therefore, if it is not necessary, users should not try to format the hard disk in a low-level manner.
For logical bad sectors, under normal circumstances we can use the operating system's own tools and some special hard disk inspection tools to find and repair. Such as: Windows comes with the Scandisk disk scan program is to find hard disk logic bad sectors the most commonly used tools, and our common Format command can not repair any hard disk bad sectors, this we must understand. In the Windows environment, we can select the hard disk drive letter to be processed in "My Computer", select its "Properties", select "Check Status" in the "Tools" button that appears, and then click "Scan Type". Select "Comprehensive Check" and tick "Automatically Fix Errors" and then "Start". If the system does not perform a disk scan at startup or cannot enter the Windows system, we can also start the computer with a floppy disk or CD boot disk and run Scandisk* under the corresponding letter, such as “A:â€: (Note: * is The hard disk drive to be scanned.) Enter and then repair the hard disk partition that needs to be repaired.
However, if it is a hard disk physically damaged by a cash register, then do not try to use these methods to repair it. Instead, use a variety of tools to repeatedly scan, which is to force the physical bad area of ​​the hard disk to read and write many times. In order to increase the number of bad sectors and spread them, the correct method is to use the following method to decisively isolate areas where bad roads have already existed. This is a very helpless way, such as a 20G hard drive, if because of bad sectors, shielding 15G, there are always 5G space available, if you do not do so, the final result is that the entire hard drive is completely scrapped.
Method one: Complete the work with disk software such as PartitionMagic
Such as PartitionMagic partition software, first use the "check" command in PartitionMagic4 or the disk scan program in Windows to scan the disk, calculate the location of the bad cluster on the hard disk, and then select "AdvancedSectorRetest" in the Operation menu to divide the hard disk where the bad cluster is located After multiple zones, hide the partition where the bad cluster resides to avoid misoperation in Windows. This function is implemented through the HidePartition menu item. This can also guarantee the normal use of hard disks with severe bad sectors, and eliminates the need for the system to frequently read and write bad sectors so as to expand the area of ​​bad sectors. However, this requires familiarity with the software and the experience of calculating hard disks. Many people are not easy to be accurate.
Method Two: Use FDISK and Format Command FORMAT
The specific method is this, the first to find out the capacity of the cash register hard drive, the first disk for the problem with FDISK is divided into a C drive, and then FORMAT format, when faced with unrecoverable bad blocks face FORMAT Always try to repair, then record the percentage of progress. Then press CTRL+BREAK to forcibly terminate the task, use the total capacity of the disk as a percentage, get the normal disk capacity of this part, use FIDSK to draw a logical disk, and then follow the The approximate size of the bad sectors estimated by the disk is about 10%, and a logical disk is divided. This small disk does not need to be formatted. After the total work is completed, it will be deleted. This will skip all the bad blocks. This may lose some good points, but it is insignificant for large-capacity hard drives, and hard drives are more stable to use.
Method 3: Use specialized bad disk partitioning tools such as FBDISK
FBDISK This is a software or PE system that finds bad sectors and repartitions after isolation. There is only one file, only a few tens of K. The operation is very simple, first make a floppy disk that can boot to DOS, put FBDISK on the floppy disk, use it to guide the system, pay attention to the system can only hang a hard disk to be repaired, and connect it to the main hard disk line. After entering the DOS, as long as you can find the hard disk, run FBDISK Well, this small program will first scan the hard disk by track, found that bad sectors are displayed, but also to estimate how long the overall scan will take, all the scans After that, the program will give you a new partitioning scheme based on the scan results and bad sectors. If you accept it, press Y, otherwise your hard disk will not be processed. This software is good, but it may be relatively big. I once used it to scan a 10G hard disk and reported that only 300M can be used, but after I used Method 2, I found out about 2G of perfect space.
Repair pos cash register hard disk bad road
For pos cash register hard disk logic bad sectors, we can repair, for the physical bad sectors, we should use isolation methods to minimize losses and prevent the proliferation of bad sectors as the goal. I have seen some people in the newspapers who have said that using a special software to repair physical bad sectors, the most terrible thing is that many people's superstition about low-latency hard drives is really a misunderstanding. The so-called low-level formatting refers to dividing a blank disk out of a cylinder and a track, and then dividing the track into a number of sectors. Each sector is further divided into an identification section ID, a gap area GAP, and a data area DATA. Low-level formatting can only be done in a DOS environment and can only support a single partition for a block hard disk. Some bad tracks and bad sectors can be repaired by low-level formatting, but physical scratches on the surface of a real hard disk cannot be repaired. Only the location of bad sectors can be marked in various ways so that the operating system does not go. Use to prevent the expansion of bad sectors and thus extend the hard disk usage. In particular, I would like to stress that low-level formatting is a lossy operation and has a certain negative impact on the life of the hard disk. Therefore, if it is not necessary, users should not try to format the hard disk in a low-level manner.
For logical bad sectors, under normal circumstances we can use the operating system's own tools and some special hard disk inspection tools to find and repair. Such as: Windows comes with the Scandisk disk scan program is to find hard disk logic bad sectors the most commonly used tools, and our common Format command can not repair any hard disk bad sectors, this we must understand. In the Windows environment, we can select the hard disk drive letter to be processed in "My Computer", select its "Properties", select "Check Status" in the "Tools" button that appears, and then click "Scan Type". Select "Comprehensive Check" and tick "Automatically Fix Errors" and then "Start". If the system does not perform a disk scan at startup or cannot enter the Windows system, we can also start the computer with a floppy disk or CD boot disk and run Scandisk* under the corresponding letter, such as “A:â€: (Note: * is The hard disk drive to be scanned.) Enter and then repair the hard disk partition that needs to be repaired.
However, if it is a hard disk physically damaged by a cash register, then do not try to use these methods to repair it. Instead, use a variety of tools to repeatedly scan, which is to force the physical bad area of ​​the hard disk to read and write many times. In order to increase the number of bad sectors and spread them, the correct method is to use the following method to decisively isolate areas where bad roads have already existed. This is a very helpless way, such as a 20G hard drive, if because of bad sectors, shielding 15G, there are always 5G space available, if you do not do so, the final result is that the entire hard drive is completely scrapped.
Method one: Complete the work with disk software such as PartitionMagic
Such as PartitionMagic partition software, first use the "check" command in PartitionMagic4 or the disk scan program in Windows to scan the disk, calculate the location of the bad cluster on the hard disk, and then select "AdvancedSectorRetest" in the Operation menu to divide the hard disk where the bad cluster is located After multiple zones, hide the partition where the bad cluster resides to avoid misoperation in Windows. This function is implemented through the HidePartition menu item. This can also guarantee the normal use of hard disks with severe bad sectors, and eliminates the need for the system to frequently read and write bad sectors so as to expand the area of ​​bad sectors. However, this requires familiarity with the software and the experience of calculating hard disks. Many people are not easy to be accurate.
Method Two: Use FDISK and Format Command FORMAT
The specific method is this, the first to find out the capacity of the cash register hard drive, the first disk for the problem with FDISK is divided into a C drive, and then FORMAT format, when faced with unrecoverable bad blocks face FORMAT Always try to repair, then record the percentage of progress. Then press CTRL+BREAK to forcibly terminate the task, use the total capacity of the disk as a percentage, get the normal disk capacity of this part, use FIDSK to draw a logical disk, and then follow the The approximate size of the bad sectors estimated by the disk is about 10%, and a logical disk is divided. This small disk does not need to be formatted. After the total work is completed, it will be deleted. This will skip all the bad blocks. This may lose some good points, but it is insignificant for large-capacity hard drives, and hard drives are more stable to use.
Method 3: Use specialized bad disk partitioning tools such as FBDISK
FBDISK This is a software or PE system that finds bad sectors and repartitions after isolation. There is only one file, only a few tens of K. The operation is very simple, first make a floppy disk that can boot to DOS, put FBDISK on the floppy disk, use it to guide the system, pay attention to the system can only hang a hard disk to be repaired, and connect it to the main hard disk line. After entering the DOS, as long as you can find the hard disk, run FBDISK Well, this small program will first scan the hard disk by track, found that bad sectors are displayed, but also to estimate how long the overall scan will take, all the scans After that, the program will give you a new partitioning scheme based on the scan results and bad sectors. If you accept it, press Y, otherwise your hard disk will not be processed. This software is good, but it may be relatively big. I once used it to scan a 10G hard disk and reported that only 300M can be used, but after I used Method 2, I found out about 2G of perfect space.
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