Originally Posted by FloydianOne

Just want to make sure you are not trying to plug an IDE cable into another IDE cable, because unless technology has changed since I last built my computer, that is impossible. You want to take one hard drive out of one computer (IE unplug its power and take it off the IDE chain) and put it on the other computer's IDE cable as a slave, and plug a power cable from the power supply into it. then reboot the computer and make sure you see that it was recognized in the computer's self test while booting. Then it should appear in windows and you can copy your data over to the other hard drive on the IDE cable.