both the drive tray and pin to laptop converter will need to be removed, carefully
unscrew the drive tray and VERY carefully pull the converter off, it may be stuck on very tight.
Now connect the adapter to the hard drive
Now with the desktop computer OFF
and grounded (to prevent static) plug the IDE channel 1 cable into the adapter (it will only fit one way) and the power cable into the other plug on the adapter. NOTE:
the red and black wires on the power MUST