A weighted average is a more accurate measurement of scores or investments that are of relative importance to each other. This is often the case with investment portfolios, grade scoring and other statistics. You can find out how to calculate weighted averages. 1. Sit down with your data, a piece of paper and a pencil.
To specify the boot sequence: 1  Start the computer and press ESC, F1, F2, F8 or F10 during the initial startup screen. 2  Choose to enter BIOS setup. 3  Use the arrow keys to select the BOOT tab.  To give a CD or DVD drive boot sequence priority over the hard drive, move it to the first position in the list.
To change which device to boot from first, follow the directions on the BIOS setup utility screen to change the boot order. In this example BIOS, the boot order can be changed using the + and-keys. Remember, your BIOS may have different instructions!estart the Computer and Watch for the BIOS Setup Message. Power On Self Test (POST). Changing the boot order of the  bootable  devices on your computer, like your hard drive or bootable media in a USB port (e.g. flash drive), floppy drive, or optical drive, is very easy.