You can’t throw your computer tower in the trash–computers contain hazardous materials like lead and mercury, notes PC World. To dispose of the old equipment safely and responsibly, you need to recycle it. Depending on where you live, you may have free local programs that offer computer tower recycling; if not, you may have to pay a fee for participating in a recycling program. Keep hazardous chemicals out of landfills and dispose of your computer tower the right way, by recycling it as electronic waste. Writer Bio