Picked this thing up today, sweeeeet.
I'm a computer nerd, naturally this thing is being hooked up to my PC.

My bedroom is my home theater.
SO. I plug my digital coxial cable from digital audio out on my puter, to the digital coax in on the reciever, me and my dad were playing around with it and we had it working fine for a while, we were having the problem at first, but he said he pushed the 'audio select' button on the amp, put it to auto, and it worked fine... he goes to bed, I start setting up speakers around my room and plugging them in, turn the reciever on, and I get the same problem we breifly had... the reciever says 'Not Available, Analog Selected'. Apparently I want digital.
Why the fook is a problem at all?
Please help, if there's anything else you need to know, just ask, I'll detail until I'm deceased.
I just want to listen to some screwed and chopped...
