Are there any LED's lit up on the motherboard? It looks like you either corrupted the BIOS or its completely fried. Usually the system will at least beep or an LED will light up if you press the power button. When you see the manufacturer logo after trying to power on the PC this is what we call "Posting". If the system doesn't POST then your BIOS would be at fault. If however the system doesn't beep or turn on one of the motherboards LEDs it is most likely fried 99.9% of the time. Also check if the RAM could be currupted. To do this take all RAM memory sticks out of there slots then reinsert just 1. The system only needs one RAM stick to boot up. Try this with all RAM sticks because just one currupt stick will halt system operation. Report back with what you find. If you find you need a new computer you should try building one, never a better time to learn. Its cheaper and you get what you want :-)

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