If your computer is turned on "System Restore" in the "Start" menu, choose an option series "Programs," "Accessories," "System Tools" and "System Restore."Select a restore point that is closest to the date when the system changes were made fatal.
2 Insert the installation disc Windows.To access the start line of the program using a combination of Win + R.Enter the command sfc / scannow, which verifies and restores the integrity of system files.
If you can not boot your system, try to restore the components in safe mode.To do this, after an initial survey of the iron press F8.The boot options menu by pressing the control mark "Last Known Good Configuration."Select an earlier date for the recovery point.
If that fails again, restart the computer and boot options menu, select th
e first item - "Safe Mode".In response to a question about the continuation of the work, answer "Yes."Call row start of the program and repeat the steps to recover the function of the system.
Set the BIOS to boot from CD / DVD-ROM.To do this, restart the computer and wait for the on-screen line-invitation "Press Delete to setup".Instead of Delete developer BIOS can assign a different key, usually F2, F9 or F10.
In the settings scroll to the definition of the boot sequence.In some BIOS versions, he called the Master Boot Record.It lists the boot devices that are installed on your computer: FDD, CD / DVD-ROM, HDD, USB.With the keys, assign the CD / DVD-ROM device first.
Press F10 to save the changes and answer "Y" to the question of the system.Insert the optical drive installation disc of Windows and reboot the computer.Specify the CD-ROM as the boot device when the system issue.
When Welcome to Setup appears, press R to start the Recovery Console.Go in as the Administrator account.Enter the password if it has been installed.Type in the command line chkdsk / r to search for and recovery of damaged files.
For a full list of commands, type help at the command prompt.To get detailed information about a specific program, type help commandname.