try asking for help on hardware forums? :)
sorry I honeslty don't know what else to try :/

something's damn odd if it won't start

have you updated the motherboard BIOS and chipset drivers?

read this page please shows LED diagnostics on your motherboard whether it's gprahics card, memory or chipset
http://www.xbitlabs.com/articles/mainboards/display/biostar-tp45hp_4.html

"I'd rather be a Fool who believes in Dragons, Than a King who believes in Nothing!" www.silverblades-suitcase.com
Free tutorials, Vue & Bryce materials, Bryce Skies, models, D&D items, stories.
Tutorials on Poser imports to Vue/Bryce, Postwork, Vue rendering/lighting, etc etc!