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.
I had to boot my XPS-13 9343 from USB stick to install BIOS A04 and to re-partition the disk (boot to GpartEd image to shrink swap to gain storage space). It was simple. Created the bootable USB using unetbootin. Then booted to BIOS, put it in legacy boot mode, move USB to the top of the boot order list.