Before removing the HDD --- did you have the computer connected to the outlet with a surge protector? If you did, then check to see if the surge protector did it's job and fried. Of course, the next step would be to plug the computer into the outlet directly and turn it on.
If you didn't use a surge protector, sorry!
Be sure to pick up a surge protector at Wal-Mart or Best Buy. "Belkin" makes great surge protectors. You don't need to spend a fortune. Simply get one that is rated/warranted for slightly above the value of your system. You can look at the voltage protection, but the value of the system protected will give you enough info to know what to purchase.
Hopefully, you won't have to go through this agony again.
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- AMD Athlon 64 X2 4800+ Toledo 1GHz HT 2 x 1MB L2 Cache
- OCZ 2GB (2 X 1024) DDR (500) PC-4000 EL Gold Gamer Ext. XTC (OCZ5002048ELGEGXT-K)
- OCZ PowerStream OCZ520ADJSLI ATX, BTX, EPS12V 520W
- XFX Geforce 7900 GTX 512MB (665/1630)
- HITACHI Deskstar 7K80 80GB 3.5\" SATA 3.0Gb/s x 2 (RAID)