The computer will restart and will boot using the CD/DVD you inserted in the disc drive. The drive that you wish to prioritize for boot should be moved up the list. If this label is not there, look for something that says CD/DVD or USB Flash. Locate the section which reads 'Removable Device' (most PCs will show this label). Remember that the mouse will not work on this screen and hence you will need to use the arrow keys for navigation. Usually the tabs are labelled as Boot, Boot Options, or Boot Order. Once you are there, look for the Boot options in one of the tabs. Most of the computers use the DEL, F10, or ESC key to enter the setup. It will tell you which key you need to press to enter the BIOS setup by interrupting the normal start-up. In order to change the boot settings, you will need to watch the first screen that appears while starting or restarting your computer. You will see the message 'Press any key to boot from CD or DVD' – press any key as it says if you do not get this message, you will need to change the BIOS setup to enable priority booting from a CD or DVD Insert the disc for Windows Installation and boot up your computer. Here are the steps to repair the error using this method: Part 1: Startup Repar Using WinRe (Windows Recovery Environment) Using WinRE to Rebuild BCD (Boot Configuration Data) Part 1: Startup Repar Using WinRe (Windows Recovery Environment).

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