6.3.2. Let the installer prompt you for a driver update
Begin the installation normally for whatever method you have chosen. If the installer cannot load drivers for a piece of hardware that is essential for the installation process (for example, if it cannot detect any network or storage controllers), it prompts you to insert a driver update disk:
The dialog reports that the installer did not find the devices needed for this installation type, and asks you to select a driver, use a driver disk, or go back.