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.
The process of flashing (that is, updating) a BIOS usually goes off without a hitch, but if you do it improperly (or if you try to install the wrong update), you could ruin your PC. Proceed with caution.The BIOS screen lets you quickly configure how your PC starts.he process of flashing (that is, updating) a BIOS usually goes off without a hitch, but if you do it improperly (or if you try to install the wrong update), you could ruin your PC. Proceed with caution. The BIOS screen lets you quickly configure how your PC starts.