Chosen Solution

I have a Old not working Xbox 360 elite and my fiance is giving me her working Xbox 360 elite. I’m I want to know if I transfer my 250 GB hard drive to her working Xbox 360 elite will it transfer

@patricknaylor It’s not a straight forward swap. Take a look at this guide (Fat) Xbox 360 Hard Drive Replacement and read the intro on how to do this. After that check Step 5 of this guide Xbox 360 E Teardown