How do I connect a internal DVD drive (out of desktop) to a laptop

Hi,I want to connect an internal dvd drive out of an old dektop. To a laptop I have got a ide to USB lead but this is not working .is there a lead you can get to give the DVD drive power ?thanks
 
I suggest getting a USB enclosure for the IDE drive. I've actually done that with an IDE optical drive so I could connect it to a PC at work that had no DVD writer.
 
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