Hey, this is the first time I've *tried* to put together a computer. I'm pretty sure I have everything in the right place, so what's wrong? It powers on, the CPU fan is working, the videocard's fan is working (good signs?), and the CD drives open and close, but nothing shows shows up on screen. Is anything broken? How can I find out? System specs are below, any help would be greatly appreciated.
250GB SATA Seagate HDD
MSI K9N SLI PLATINUM N570SLI AM2 Mobo
G.SKILL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 800 (PC2 6400) Dual Channel Kit System Memory
AMD Athlon 64 3500+ Orleans AM2
eVGA Geforce 7900GT CO 256MB Videocard
COOLER MASTER Centurion 5 CAC-T05-UW Case
ASPIRE ATX-AS520W BLACK ATX 520W Power Supply
250GB SATA Seagate HDD
MSI K9N SLI PLATINUM N570SLI AM2 Mobo
G.SKILL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM Unbuffered DDR2 800 (PC2 6400) Dual Channel Kit System Memory
AMD Athlon 64 3500+ Orleans AM2
eVGA Geforce 7900GT CO 256MB Videocard
COOLER MASTER Centurion 5 CAC-T05-UW Case
ASPIRE ATX-AS520W BLACK ATX 520W Power Supply