Crossword Genius

Apple to pointlessly reinvent computer (6)

Ross

I believe the answer is:

laptop

I'm a little stuck... Click here to teach me more about this clue!

'computer' is the definition.
(laptop is a part of computer)

'apple to pointlessly reinvent' is the wordplay.
I cannot really see how this works, but
'to' is found in the answer.
The remaining letters 'lapp' is a valid word which might be clued in a way I don't see.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for laptop that I've seen before include "Kind of computer" , "Aid for businessman" , "Type of computer" , "device?" , "PC" .)

I've seen this clue in the Sydney Morning Herald.
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