If anyone could give me tips to fix the shutter. Its stuck in the up position, it won't collapse even with me using a small object to try and release it. :
nikon - DSLR mirror stuck at top, sound like rolling gears - Photography Stack Exchange
Press Shutter Release Button Again [SOLVED]
Nikon D90 Mirror Stuck - YouTube
How to Fix 'Press Shutter Release Button Again' Error on a Nikon DSLR. : 16 Steps - Instructables
Mirror stuck: Nikon FX SLR (DF, D1-D5, D600-D850) Talk Forum: Digital Photography Review