The drill can be on or off. With Dremel drills, you’ll need to press a button before being able to remove the bit. [2] X Expert Source Jacob PischerHome Improvement Specialist Expert Interview. 4 September 2020.
Forcing the chuck when it’s stuck may further damage the drill.
Pushing the button in on the left side will make the drill rotate counterclockwise, while pushing the button on the right side will cause the drill to turn clockwise.
If you can’t find your chuck key, you’ll have to purchase another one that’s made for your specific drill.
If the drill bit is still stuck, it’s likely that you didn’t loosen all of the holes. Double check and make sure that you’ve turned them all counterclockwise.