C disk poisoning can t turn on, can you not grid, because there is important information in it, plea

Yes. Use the disc to boot to the DOS state, enter the C drive and copy the files you want to other drive letters, and then Ghost C drive is OK. It is recommended that the C drive do not store important information and documents.

Then you must first know what virus you have, and delete all those virus files under DOS! That's it! Or use antivirus software! Antivirus! It is recommended that you use a Trojan scavenger! Definitely very fine

Use the system disk to repair the system first,If you can't get it,Use the ghost version of the system,Back up the C disk data,Then sterilize the backup things,Or directly install the system to other disks (except C disk),C disk should not be formatted,Then enter the newly installed system in safe mode,Antivirus、Copy data。

1. Install the disk in, repair the system (similar to reinstalling it again), and kill the virus after it is finished, and see if it can solve the problem.

2. Install another system on the C disk.

Ways to back up your data:

1. Use the optical disc operating system (deep mountains and red leaves, etc.) to enter, back up data, and kill virus.

2. Start with the installation disk or startup disk, and copy the important files out in DOS.

Best. Advanced security mode. Back up important qualifications. And then. Reworked the system.

If it doesn't work. The lattice is possible, too. But beware. Only system disks can be registered.

You can enter the safe mode to kill the virus, or copy your important information in the safe mode and then the grid is good.

Start it with a CD,Enter your folder in DOS,You can copy what you want with a command to other disks,If you don't know the command,Just find a boot CD,There is PE whatever,You can directly enter the system operation。

After powering on, press the F8 key and select the safe mode to enter the computer. Copy important files from drive C to another drive.

There are discs that can be repaired without having to be reloaded, and there should be ones sold on the street.

Poisoned, after you restore the system, click on my computer, right-click, don't left-click, remember! Remember! Otherwise, it's poisoned again, and then click on the tool above, click on the folder to select, and then click to view, there is a display of all files, click on the standard, and then come out of the file, delete them all, but there is one that can't be deleted, and then you'd better the next antivirus software, first kill the poison of d e, and then kill the poison of the c drive.

1. Start --> run -->cmd (open command prompt) to go to the drive letter that cannot be opened, take drive D as an example.

2. d: dir a (no argument a is invisible, a is to show all the meaning), at this time you will find a file.

3. d: attrib -s -h -r remove the system, read-only, and hidden attributes of the file, otherwise it cannot be deleted.

4、d:\del

Export important files. Formatting one disk at a time.

Repartition, redo the system!

Poisoned! The system files have been corrupted! If you have a ghost, you can restore it with one click, or you can reinstall the system.

Reinstalling the system will solve the problem once and for all.