someone correct me if i'm wrong, but as far as i know, taking out the battery only resets the cmos, which means all settings are put to default, but the new (or wrong) bios is still there
also, one time i did something really stupid (plugged in or unplugged a cd drive while the comp was still on, i forget) and a big blue spark happened as the whole computer completely crashed. i tried turning it back on, unplugging and turning it back on, etc.
i ran to my friend's room (i'm in a college dorm) and starting griping, and he was like "dude just chill, i did somethin like that once and i tried turning it on 1/2 hr later and it worked"
i wasn't convinced, but 1/2 hr later i went back to try it and the comp worked flawlessly, i don't know how! these things happen haha =)
that's just to tell you that maybe you didn't fry everything, or anything
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I LOVE DANGER DEN WATERCOOLING, they went out of their way to both personalize my kit and change my order when i needed to, i had to change my sig to give them props