Your approach should vary based on the type of power your smoke alarm uses. Your first step is to find the device that’s going off and reset it by pressing and holding the reset button.

The first step is to find the device that’s going off and press and hold the reset button. If that doesn’t work, take the smoke alarm down and, if you can, remove the batteries. If the unit ...

A beeping smoke alarm is obnoxious, so here's not only how to reset a smoke detector but also how to figure out why it needs it.

A beeping smoke alarm is obnoxious, so here's not only how to reset a smoke detector but also how to figure out why it needs it.

A beeping smoke alarm is obnoxious, so here's not only how to reset a smoke detector but also how to figure out why it needs it.

A beeping smoke alarm is obnoxious, so here's not only how to reset a smoke detector but also how to figure out why it needs it.

A beeping smoke alarm is obnoxious, so here's not only how to reset a smoke detector but also how to figure out why it needs it.

A beeping smoke alarm is obnoxious, so here's not only how to reset a smoke detector but also how to figure out why it needs it.