Why won't my GE Energy Smart light bulbs dim?

I have recessed lights in my basement with a dimmer switch. They used to work just fine until I started using the Energy Smart light bulbs. With the new bulbs, they are either too bright or off. The bulbs are the "dimmable" kind, but the switch is kind of old. Is this why they don't work? If so, which... show more I have recessed lights in my basement with a dimmer switch. They used to work just fine until I started using the Energy Smart light bulbs. With the new bulbs, they are either too bright or off. The bulbs are the "dimmable" kind, but the switch is kind of old. Is this why they don't work? If so, which switch should I buy so they dim?
3 answers 3