Computer / Tower (powers on, does not boot)

Selling tower unit as shown in photos and description. Computer powers on but displays no image. Components: -Motherboard Asus P5Q SE Plus; -Intel processor (believed to be Core Duo, though unconfirmed); -500W power supply; -4 x 2GB RAM; -Radeon graphics card (model unknown); -Floppy disk drive; -3.5" bay with USB and card reader; Hand delivery available in Vale de Cambra, Sever do Vouga, Aveiro, Viseu, and Gouveia