If you are trying to reinstall Windows using Windows installation disk, then you have to setup your PC to boot from CD/DVD drive. If you don’t set it up, you won’t be able to boot from Windows installation disk. This tutorial shows “how to setup BIOS to boot from CD/DVD Disk Drive.” This process may vary slightly for different motherboards. So, use your intelligence.
How to setup your PC to boot from CD/DVD drive?
Restart your PC. While computer is booting up, press DELETE key repeatedly or any other specified key to enter BIOS setting.
In BIOS go to BOOT menu and select Boot Device Priority and change First BOOT Device to CD ROM.
You have now successfully setup your PC to boot from CD/DVD Drive. It’s time to save the settings, press F10 to Save and exit. Press Enter to save the changes.
Now your PC is ready to “boot from CD/DVD Drive”. Now insert Windows Installation Disk and restart your PC. When you see “Press any key to boot from CD/DVD…“, just press any key and operating system installation will start. Should you face any problems, write in comment box.