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.
Just tell them that you need to boot to a USB flash drive, Once done, most BIOS' will allow you to save your changes by pressing F10. If yours is different and you don't know where to go, press the Escape (ESC) key to back out one screen. Some BIOS' at this point may ask you to save changes for that part of the BIOS.