You have been using the same computer for several years. To extend its service life, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor supported by the motherboard. However, when you start the computer, it beeps regularly, nothing is displayed on the screen, and it doesn't start. What should you do?A. Return the CPU for a new one.B. Update the UEFI firmware.C. Press F8 while booting the computer.D. Upgrade the motherboard.