Hard drive storage media which is very important on the computer. Unfortunately, a limited service life. Damage to the hard drive can be caused by several things.For example:
Inadequate power supply and damage the hard drive controller and motor.
Fall and damage the mechanical hard drive in it or at least going bad sectors.
Too often take it without a safety brought to platter hard drive is damaged due to excessive shock.
Temperature in the heat makes the condition hard disk in an unstable environment.
MTBF condition / age of the hard drive, has been reached and will be damaged.
It is still possible to fix hard drive bad sector affected is the only condition in which the hard drive is still spinning, the state controller is still working hard. But the state is still divided again, if you want to use the hard disk bad sector affected.Problems cause bad sector is one of the damage that often occurs. Condition of damage by bad sectors are distinguished by three circumstances.Condition in which the hard disk platter worn. In this condition it has no hard drive can be used. The longer the hard drive getting damaged and no longer useful to be used as storage media.Platter is worn but the condition has not reached a critical condition. This condition can be quite stable to drive. Possible hard drive can still be improved because the platter is still possible dilow level.Worn platter conditions, both conditions are severe or mild, but the damage found in cluster 0 (the location where the hard drive partition information is stored). This condition does not allow the hard drive repaired.Discuss the state of the hard drive to allow repairs to be fixed only to the second condition, where the surface of the disk is still stable, but there is minor damage in some places.PurposeAttempts to use the hard drive contained bad sectorsTo eliminate damage to the location of bad sectors.Stages 1Before performing the next step should use the stage 1 to ensure the condition of the damaged hard drive platter. To know this is hard to do a LOW LEVEL FORMAT (LLF). LLF can be done from the BIOS or software. For the BIOS, such as the generation of some old PC Pentium 486 or (586) has the option LLF. Or may use the software LLF. LLF to get the software can be loaded on the hard drive manufacturer's site. Or search for a file utility like hddutil.exe (from Maxtor - MaxLLF.exe) and wipe.exe version 1.0c 05/02/96.LLF is the function of the software either delete the entire partition information, data and information in the hard disk bad sector. This software is also useful to correct errors in the FAT 32 partition creation of Windows Fdisk.After running the program LLF, the disk will be completely clean as the condition was first used.Warning: Use of LLF software will erase all data in the hard diskStages 2The next step is to try and error method. Stage for this session are:
Creating disk partitions: With FDISK program with a partition, either primary or extended partition. For the primary can be done with a single hard drive, but when it willed as an extended hard drive, it needs a hard drive as the boot process and has had primary partition (the partition to boot).
Format the hard disk: With the FORMAT C: / C. The addition of the / C option to run the checks in the event of bad sectors. During the formatting process check on the percentage of how much damage the hard drive. This can be seen in the image below.
Create a partition again: With FDISK, remove all partitions in the hard disk before, and to re-partition according to the records of the damage. The assumption in the figure below is the creation of a Primary partition and Extended partitions. In the Primary partition is invisible and only indicated the extended partition. Division in the picture below is on drive D and F (22MB and 12 MB) discarded because there are bad sectors. While the E and G (758MB and 81MB) is a drive that is still in good condition and can be used.
To ascertain what is bad sectors on hard drive partitions are to be discarded, format the entire drive letter with the command FORMAT / C. When bad sectors are found on a discarded partition (assuming the test is bad sectors on the drive letter D and F), then the partition can be immediately discarded. But if something goes wrong, such damage is not bad sectors in the partition to be removed but there is on the partition to be used, you must repeat the process over from scratch by removing the partition where there is an error in the partition dividing the bad sector affected. Things to remember: Making a partition done from beginning to end, for example, C, D, E and beyond. To get rid of the partition using the opposite way from Z to C. Errors in the dump and create a partition that random mess will mess up your system hard drive partition.
The next process is to remove the partition that is not used anymore. After examination by the FORMAT program, then the next process is to remove the partition that contains bad sectors. In the picture below is: Phase 2 partitions with FDISK throw for the drive letter D and E. For E and G is the partition drive letter that will be used.
At the end of the stage you can check the hard drive partition with option 4 (Display partitisi) the FDISK program, an example in the picture below is the remaining 3 drives: C as the primary partition (not shown), two extended partitions are still good and the partition that contains bad sector has been deleted.
End of the process. You have a hard drive with a condition that has been improved due to bad sectors. Divided on the C drive letter as a Primary partition and used as a boot, D (758MB) and E (81MB) is a partition into 2 and 3 in the extended partition.
When the FORMAT program featuring Trying to recover allocation unit xxxxxx, meaning that the program is examining the conditions in which the disk is going bad sectors. Assumptions on the test below is a 1.2 GB Seagate hard drive with 2 minor damage location and approximate percentage figures shown by the program FORMAT: Display Conditions on the percentage of program formats that can be used
Both the 0-20% 20%
Bad sectors 21% Disposed
Both the 22-89% 67%
Bad sectors 91% Disposed
Both the 91-100% 9%
If you are stubborn enough to fix your bad sectors, can also be done with the try-error by repeating the search for the location of bad sectors on the disk is smaller stages, eg multiple partitions to minimize the possibility of wasted space on the partition that will be discarded. The more determined to find a place where there is damage to the bad sector is getting better, only this way will require a longer time, although the result was quite satisfactory to minimize hard disk location where the damage occurred.If you are not satisfied with the results of search for bad sectors, you can repeat the above prosesur. Tips for doing this should already know the procedure in making a partition with FDISK program.To be noted in this tip is, be careful in the use of LLF program. We recommend using a single drive to use this program. Mistakes do LOW LEVEL FORMAT the hard drive is very fatal and can not dikembalikin original condition.For the affected hard drive using a hard drive should BAD SECTOR whose condition is not too severe or there are bad sectors in some places and not sporadic spread. Damage in many places (sporadic bad sectors) on the disk will be a place where there is a difficult search for bad sectors.This article has been carried out by LAB Busset, and errors in doing this beyond Tips Busset responsibility ..Sources: obengware.com
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