Okay, it's an I.Q. test and the prize is $64,000.
Now it'll come out.
You've done it now, you've made me want to have a go getting it out.
The lug on a stalk at the top. It looks like a release trigger - but you will have tried that.
can you see if the HD is screwed into the blue cradle? That's sort of saying will the entire cradle pull out from the front - many of the new ones seem to do that now.