You insert a CD or DVD into your Mac’s SuperDrive and it spits it right back out at you. You might think you’re in for an expensive optical drive replacement, but there is one last resort that could fix it.

When your Mac is in the middle of a long, CPU intensive task it can bring the entire system to a crawl if you try to do something else at the same time. To avoid this issue, you can temporarily pause processes in Mac OS X

When your Mac is in the middle of a long, CPU intensive task it can bring the entire system to a crawl if you try to do something else at the same time. To avoid this issue, you can temporarily pause processes in Mac OS X. Computers are far more powerful today than they have ever been, but there are still times when the system is overwhelmed by a greedy process that uses nearly all of the CPU.