you need
  • - a boot disk Windows;
  • - external DVD-ROM drive.
Guide
1
certain part of mobile computers sold with pre-installed operating system.Look on the underside of the laptop sticker of Windows and verify the version of the operating system.The fact is that if you install a version of the OS, you can not use the provided license key.
2
Download the boot image to the desired version of Windows.Refine bit systems.If you can not find the right information, determine their own bit.Generally, if a mobile computer was originally installed more than 3 GB of RAM, then the manufacturer used a 64-bit OS.You can also use a universal disk that contains all the available versions of Windows Seven.
3
Create your own installation disk.
To do this, write the downloaded image on the DVD-ROM drive with the help of available programs, such as Nero Burning ROM.Insert the disc into the resulting mobile computer.
4
when working with netbooks use an external DVD-ROM drive.This equipment is usually connected to the USB-port of a laptop.Turn on your laptop, and then press required to call a menu of boot devices.
5
Highlight Internal / External DVD-Rom and press Enter.Wait for the preparation of files for the installation of the operating system.In the first menu, then click "Install".Select the version and capacity of the system, if you use such a disc.Click "Next".
6
Left-click on the local disk on which the operating system is operational.Click the "Format" submenu located in the "Disc Setup".Now again click "Next".
7
After a while, the laptop will automatically restart.Remember that all subsequent launches should be performed with a DVD-ROM, and a hard drive.Fill menu offerings as they become available.Initially, activate the firewall service, and operating system updates.Do not forget to set a password for the Administrator account.