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Motherboard, RAM, CPU and Power Issues Part 1 Welcome to Cybrary IT's A+ course. Today's lesson will explore various problems that occur with motherboards, RAM, CPUs, and the power supply. After this segment, you'll be able to diagnose some of the most common issues such as a checking the power or settings when getting a blank screen on boot up, or the boot process is interrupted because the system isn't completely on, and how to determine if you system is in sleep mode or hibernation. You'll also learn how to determine if the BIOS startup sequence is incorrect and how to reconfigure it for the desired startup sequence, and why you would need to reset the BIOS jumper settings.