There are occasions when inappropriate to reinstall the operating system, although the majority of ordinary users, and inexperienced service - engineering companies prefer this solution.Disadvantages of this solution are quite obvious: the need to install all the programs and making the usual setting - this time, the possibility of losing their data because of inexperienced service - engineer (who performs a quick format of the system drive before installation, which should not be done).But in some cases you can do one or two teams or 10-15 minutes of waiting, and everything returns to normal.This is called System Restore.Regular means Windows, if you have the proper knowledge, you can make quite a lot.Perhaps the most simple means - utility rstrui (can be found in the Start menu & gt; All Programs & gt; Standard & gt; service & gt; System Restore).The fact that standard settings Windows XP / Seven / Vista include storing changes at regular intervals in the form of so-called recovery points.So, you have trouble happened - something that is not working!Try at boot press F8 and select safe mode (safe mode) - is necessary if the standard mode, the system is not loaded.After the system has booted, just run rasrui and revert, choosing a restore point for the date when the problem did not exist.Another common problem - the failure of the boot sector.This can be caused by different problems, or not have to talk about the real failure, but a defective memory module.Additionally, this fact may indicate that the computer has become the victim of a virus attack (although the cause of more eroding as modern computer viruses are more focused on making money rather than the destructive activity of their creators for fun).But such troubles easily solved by using the Recovery Console.This is a very simple and effective tool, which is used by all IT professionals to quickly implement a system restore.This is nothing abstruse about it.Simply install the original distribution of Windows into the drive and at a certain stage to order the recovery console by pressing R (from the word Recovery).It will be loaded Wednesday, the form of which may scare the modern people who had never been the case with the command line.It will be necessary to select an installation under Windows, you want to work, in addition, you will need to type an administrator password.After logging into the shell recruit help, and the system shows all the available commands and understood, you can start the recovery of the operating system.Let us discuss some of the most important commands in detail.
0. Cd - fundamental team.Use it to navigate folders and view a list of files
1.Dir - displays a list of files in a directory, such as C: \ Windows \ SYSTEM32, where you went with the command DIR
2. Expand - decompresses files from the Windows distribution to a specifieddirectory.Used to restore the original versions of system files
3. Fixboot - for all failures downloads will certainly push this team
4. Fixmbr - corrects the master boot record.Often this is the only team which is enough to carry out a system restore using the Recovery Console.
5. Bootcfg - with the help of this command to restore and configure required to download the file boot.ini
6. Listsvc - displays a list of services that are loaded in your computer's memory when you start Windwos and conditions of loading (automatically or manually)
7. Disable - disables the service from the list
8. Enable - performs the opposite function
Chkdsk - if your file system is corrupted, it can lead to complete failure of the system to boot.In this case, try to run the Recovery Console from the command.However, with strong damage chkdsk plays more destructive role, if you want to perform a system restore.So if there are suspicions that the absence of the ability to download due to file system damage - Take care to first restore the data from the hard disk, go to any lab that specializes in this kind of services.