If your SX2110 has either AMD E1-1200 or AMD E2-1800 mobile type cpu, you can't upgrade the cpu, because the cpu is soldered on a motherboard. Sorry, all you can do that is to get the whole new PC. http://www.cpu-world.com/CPUs/Bobcat/AMD-E%20Series%20E1-1200.html
If your SX2110 has either AMD E1-1200 or AMD E2-1800 mobile type cpu, you can't upgrade the cpu, because the cpu is soldered on a motherboard. Sorry, all you can do that is to get the whole new PC. http://www.cpu-world.com/CPUs/Bobcat/AMD-E%20Series%20E1-1200.html