I'm not sure what would cause this but last night I was playing TF2 and the game froze connecting to a server. I tried to get out of it without shutting it down but no good, So I held the power button down for 5 seconds and it shut down. I pressed it again to start up and it began the infamous infinite boot loop (turns on fans, spins, and then shuts down nothing on screen appears) I could not stop it by hitting the power button so I hit the switch on the PSU to stop it. Then I turned the PSU switch back to the on position and pushed the power button again and the computer booted normally. I'm not sure what I did that would make this happen. Up until this point I had never done a force shutdown because I never had too, I usually shut it down from windows. I just hope this is something I can fix because if it's the mobo (which I think is causing the issue) it's gonna be a pain in the ass to disconnect everything and wait for gigabyte's awful customer service to end up giving the same broken board back; claiming there's nothing wrong with it I need some input here, this is my first build, so i'm still learning. i'll post my specs.
Intel Core 2 Quad Q8300 @ 3.0Ghz
2x1gb Kingston HyperX PC2-8500
Visiontek ATI Radeon 3870 OC'd edition
250Gb WD Caviar Blue
Gigabyte EP45-UD3L (rev 1.1)
Antec Basiq BP550 watt modular PSU
Intel Core 2 Quad Q8300 @ 3.0Ghz
2x1gb Kingston HyperX PC2-8500
Visiontek ATI Radeon 3870 OC'd edition
250Gb WD Caviar Blue
Gigabyte EP45-UD3L (rev 1.1)
Antec Basiq BP550 watt modular PSU