Then you boot the PC from the flash drive and install Windows 7.
- Turn on the computer, and insert the USB flash drive into a USB port.
- Immediately press the Escape key repeatedly, about once every second, until a Startup or Select Boot Device Menu opens.
- The selections you need to make vary slightly depending on the type of menu that appears on your screen:If a "Select Boot Device" menu displays, use the up or down arrow key to select your USB Storage Device, and press Enter to continue.