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 BIOS stands for the Basic Input-Output System of a computer. BIOS is stored on a BIOS chip on the motherboard and it is the interface between your Operating System and the computer hardware. The BIOS is an important component in the system, if it fails your system would not boot up.The BIOS is a software and it is the first code run by a system when powered on.hen BIOS locates various software on the peripheral device, such as a hard disk or a CD, and loads and executes that software, giving it control of the system which is called booting. Different tips to access BIOS on various models of Lenovo ThinkPad are discussed below: