Quick Answer: How to Install Operating System?

Method 1 On Windows

• Insert the installation disk or flash drive.
• Restart your computer.
• Wait for the computer’s first startup screen to appear.
• Press and hold Del or F2 to enter the BIOS page.
• Locate the “Boot Order” section.
• Select the location from which you want to start your computer.

What are the steps to install OS?

Clean Install

1. Enter your computer’s BIOS.
2. Find your BIOS’s boot options menu.
3. Select the CD-ROM drive as the first boot device of your computer.
4. Save the changes of the settings.
5. Shut off your computer.
6. Power on the PC and the insert the Windows 7 disc into your CD/DVD drive.
7. Start your computer from the disc.

How do I reinstall my operating system?

Step 3: Reinstall Windows Vista using the Dell Operating System Reinstallation CD/DVD.

• Turn on your computer.
• Open the disc drive, insert the Windows Vista CD/DVD and close the drive.
• Restart your computer.
• When prompted, open the Install Windows page by pressing any key to boot the computer from the CD/DVD.