1.   If your system has a built-in video controller, it will have to be disabled before you can add an upgraded video card.

2.   Most laser printers have a controller that handles printing jobs.

3.   We have the controller.

4.   Gates said the Xbox will be the first game console that has different controllers to suit the needs of specific markets.

5.   Some of its tension cables appeared to be slack, however, a problem that had flight controllers debating how best to proceed.

6.   Some of its tension cables were slack, however, a problem that had flight controllers debating how best to proceed.