#1. "RE: Nikon D40 Focusing screen Please help!!" In response to In response to 0 Tue 21-Jun-11 08:28 PM by mklass
At this stage, I would suggest you just find a nearby camera shop that does Nikon repairs. They should be able to fix it for $50 or so in less than an hour. Call ahead and they may be able to do it while you wait.
The focusing screen change out can be a frustrating process.