★ Repair hard disk main guidance record ★
Due to the damage or operation of the virus, the hard disk mainly guides the record and partition damage, and the hard disk will not be able to start.
1 kV3000
As a famous anti-virus software, KV3000 also has very powerful main boot records and partition repair features. After we can start with a floppy disk, perform KV3000, press F6 buttons, you can see if the hard drive that is no longer booted, ie the hard disk 0 face 0 column 1 sector main boot information is normal, if on the hard disk 0-faced 0 column 1 sector, no key code, that is, the hard disk partition table key code "80" "55 AA", the hard disk itself will not be booted, even if the floppy is guided, it cannot enter the hard disk. At this time, you can press the pages key PGDN or PGUP key, and look for in the hidden sector of the hard disk. If there is, flashing red "80" and "55AA" will appear in the table, and sound a prompt You, there will be a tip, "f9 = save to side 0 cylinder 0 sector 1 !!!". At this time, press the "F9" button to bring the original hard disk main reference information, that is, the original hard disk displayed in the table, cover the hard disk 0 surface 0 column 1 sector, then the machine will reboot the hard disk , Restore the starting performance of the hard disk.
2 fdisk
Cover the code area of the main boot record with FDISK / MBR, but does not rebuild the primary partition table. Suitable for main guidance records, guided regions, disrupted or main guidance record code is lost, but the main partition table is not damaged. Note: FDISK / MBR does not apply to all boot viruses, so it should be used with caution.
3 fixmbr
FixmbR is a gadget designed to re-construct the main guidance sector, and the use method is also simple. It will check the MBR structure in the case of directly fixmbr, if the system is not normal, there will be a reminder prompt. If you answer "Yes", it will search the partition. After searching for the corresponding partition, the system will prompt to modify the MBR, answer "Yes", start automatically repair, if the search result is not correct, the / z switch is used, and the restart system will return to the original state. If you want to learn more about the use of fixmbr, you can use the / H switch to view.
★ Repair hard disk partition table ★
1 kV3000
On the main menu of KV3000, press the F10 key to quickly test the relevant parameters of the system, if the hard disk partition table is not normal, KV3000 will save the bad partition table to the floppy disk to prevent irregularity, Automatically rebuild the hard disk partition table, so that the hard disk will die.
But if the hard disk has only one partition, and the file allocation table (FAT table), the file catalog table (root table) is seriously damaged, the data has not been. Then, even if the C drive partition table is restored, the data cannot be recovered. At this time, you need to cooperate with other hard disk repair tools to recover data. If the hard disk has several partitions of D, E, ..., in general, KV3000 can retrieve the partition that has not been destroyed, rebuild a new hard disk partition table, then, then use the DOS system floppy disk to boot the machine If you enter several partitions behind the hard drive, you can re-partition the hard disk, format it.
KV3000 repair hard disk detailed use, you can view the instruction file of KV3000 anti-virus software, you can also go to the Jiangmin website to view.
2 fdisk
With FDISK, you can also create a partition, rebuild the primary partition table, but this method does not cover the code area of the main boot record. If you want to ensure that the number of hard drives are not damaged, the partition must be consistent with the original partition, no data is not guaranteed. I don't want to use the specific method, I suggest you use FDISK's Chinese version, it is easy to get started. 3 Diskman
Diskman is overlying its hard disk partition table recovery feature, using a graphical interface to represent the detailed structure of the partition table in a graphical manner. For details, please refer to "Tools of Tools - DiSkman"
★ Save hard disk FAT (file allocation table) and DIR (root catalog table) ★
If the FAT table is damaged, all files may be lost, even those who are very popular with DOS, the disk file to fix the FAT table is not a relaxed thing.
1 NDD (Norton Utilities 8.0)
Start the disk repair NDD in the NU toolkit, select Options / General confirmation NDD in its menu to make a comprehensive inspection including the main boot area and CMOS, then select Diagnose Disk to diagnose the hard disk in the main menu, NDD Automatically report when an error is found, and the error description and Recommendation can be selected according to the situation. Pay attention to saving the UNDO disk when fixing to restore the operation. During the repair process, especially if read-write errors are prompted during the Surface Test, the data may be lost if the hard disk has physical corruption.
After the diagnosis, restart the computer after the completion, if you can access the C drive, you can make it simply to simply restore the hard disk function by backing up the data. Otherwise, only recovery operations (Undo) can be made manually or to recover by other methods. But NDD (Norton Utilities 8.0) can only run under DOS and does not support FAT32 format.
2 Scandisk
Microsoft operating system comes with NDD hard disk detection tools, everyone should not be unfamiliar, because we will automatically run scan hard drive when Win 9X is illegally shut down, and it is a bit similar to NDD.
3 CHKDSK
It is also the tool that is specifically used to check the hard disk. The Chkdsk / F command format is specifically used to return to the hard disk loss cluster and release the lost hard disk space, sometimes we can generate after it is running. Some important data found in * .chk files.
The FAT table of the hard disk is constantly changing as the user writes and deletes files. If the FAT table and root directory can be backed up, if the FAT table is damaged, the FAT table is used to write the FAT table, the root directory can make the hard drive Remove to the last saved state. When the hard disk's FAT table or root directory is damaged, you need to save the FAT table. When the root directory data is written, the starting logical sector code and length of the FAT table and the root directory must be guaranteed to be correct.
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Method Two:
1. Do a 98 boot disk of a soft disk, then copy format.exe or format.com to this floppy disk from other machines, start using the floppy disk, format the hard drive
2. Use Windows XP installation disk, start the installation, etc. The first file copy is complete, when you start installing, select the C drive installation at this time it will prompt you to format whether to format the disk, select the last FAT After formatting, after formatting, if you do not install XP, you can use your tools to restart the machine when you copy the file, but it is best to re-divide the zone and then in the format hard drive. After all partitions, then restart the machine good luck.
