Cigarette adapter

My cigarette adapter doesn't seem to have any power running to it anymore. The last time I used it (a few weeks ago) there was no problem, and then today...nothing. I tried a few different appliances (phone charger, mini air compressor) to make sure it wasn't what I was plugging up, but no luck. Any idea what may be wrong/how to fix? Something an amateur can do? Thanks.

check the fuse?