This dryer might just need a new latch. That's what our condo handyman suggested, after he confirmed that the electricity is working.

We bought it used three years ago. Since then it's given us no problems. But now it won't start: it doesn't even make a sound. I think the upper right corner is missing a latch:

Other images are here.

Should I (a completely un-handy inexperienced person) try to do the repair myself? If so, does anyone know of any useful webpages or videos I could look at? Thanks.