AFTER INSTALLING WINDOWS SYSTEM WILL NOT START

At problems with the launch of Windows can have many causes. This manual will help you to deal with the main ones.

Correct mistakes, we will be in Windows 10. But about the same will have to do in Windows XP, 7 and 8. In Windows 7 and later releases, the developers have improved recovery system after problems with the launch. In older versions of the system serious mistakes often have to solve reinstalling.

Disconnect peripherals

Try to remember what changes you have made recently in: whether to install the new drivers, device or something switched. Perhaps the problem in one of the hardware components. Try disabling:

  1. USB-drives.
  2. Card readers.
  3. Printers.
  4. Scanners.
  5. Camera.
  6. All other external devices.

If this does not work, unplug the keyboard and mouse: it is necessary to eliminate all possible sources of error.

Also, the cause may be the internal components, such as memory. In the desktop PC, you can test the functionality of RAM, connecting strips alternately.

Check power

If the computer will not turn on at all, pay attention to the power cord and plug. Do not forget about the power switch on the rear panel desktop.

If at this level everything is working, but the computer still does not turn on, it is likely a problem in the power supply, you are unlikely to be able to fix by yourself: have to be replaced or repaired by a specialist.

The variant when the computer is turned on, but only for a short time. This is the same problem with the power supply.

Adjust the drive to boot your system

При запуске могут появиться ошибки: An operating system wasn’t found. Try disconnecting any drives that don’t contain an operating system. Press Ctrl+Alt+Del to restart или Boot failure. Reboot and Select Proper Boot device or Insert Boot Media in selected Boot device.

The UEFI BIOS settings, or may be installed from an external loading device, or other logical partition rather than a system disk. Restore the default settings, you can:

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  1. To restart a computer.
  2. Immediately after the restart the system, press the key, for example F2. This may be another key: it usually can be found at the bottom of the screen with the logo of the manufacturer or notebook motherboard during system boot.
  3. In the settings you set in the first place to load the desired disc.
  4. Select the option "Save and Exit» (Save and Exit), to save the changes.

If the above does not work, it is necessary to restore the boot loader. This will require a bootable flash drive or disk recovery on a suitable discharge system. How to make a bootable USB flash drive or disc, read the article Layfhakera about installing Windows.

What should I do if Windows does not start: Set the drive to boot your system
Installing Windows

Start the system from a USB drive or disc, select the desired option from the boot menu. In the Windows Setup menu, select "System Restore."

What should I do if Windows does not start: System Restore
System Restore

In the recovery menu, select "Troubleshooting» → «Advanced settings» → «Startup Repair." After that, the system will automatically attempt to fix the loader. In most cases, it solves the problem.

The same can be done manually via the command line, but it is better to choose the automatic option, so as not to aggravate the situation.

If this method did not, perhaps, the problem is in the hardware: the hard disk is damaged.

Check the drive for errors and damage

In the recovery menu, select "Troubleshooting» → «Advanced settings» → «Command Prompt."

What should I do if Windows does not start: Check the disk for errors and damage
Check the drive for errors and damage

At the command prompt, enter one by one command: diskpartlist volume(be sure to note the name of the disk to the Windows) → exit.

To check the disk for errors and damage, the following command chkdsk X: /r(where X - is the name of a disk with Windows). Checking usually lasts long enough, it will have to wait.

Start Windows in Safe Mode

Due to the sudden shutdown the computer during the installation of operating system updates, clean from viruses and unwanted entries in the registry or through the fault of utilities to speed up Windows system files may be damaged. In this case, when the system boots will appear "blue screen of death."

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What should I do if Windows does not start: Screen of Death
Blue screen of death

Try running Windows in safe mode without loading drivers and startup programs. In this mode, the computer is running, it is necessary to remove the driver, roll back the system and scan for viruses.

What should I do if Windows does not start: Boot Options
boot Options

In the presence of the recovery points that problem solved quite easily. You just need to roll back to a previous stable configuration.

Reinstall System Files

The above actions can not help. Then you have to reset your Windows settings and reset the system to save the file. Unfortunately, all programs will need to be reset.

What should I do if Windows does not start: Reinstall System Files

In Recovery Environment, select the "Troubleshooting» (Troubleshoot) → «Reset» (Reset this PC) → «Save my files» (Keep my files) → «Reset» (Reset).

The system will roll back to the original settings.

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