A user complains that her computer is responding very slowly. She also says that when booting the PC, it reports a lower value for memory than she assumed is available. You investigate and consider the idea that one of the RAM sticks in her PC may have be

A user complains that her computer is responding very slowly. She also says that when booting the PC, it reports a lower value for memory than she assumed is available. You investigate and consider the idea that one of the RAM sticks in her PC may have become unseated. Detail the steps you would take to determine how to diagnose and reseat the RAM.