if I want to say that he doesn't "sweep" from the computer what preposition comes with "sweep"?
Thanks Denis but I intended to say that he keeps sitting infront of the computer & he doesn't move, so I asked how to use "sweep" to appear as a joke or derision

Question

if I want to say that he doesn't "sweep" from the computer what preposition comes with "sweep"? 
Thanks Denis but I intended to say that he keeps sitting infront of the computer & he doesn't move, so I asked how to use "sweep" to appear as a joke or derision

Answer

candle,

sweep (verb)......to search for and remove
sweep (noun).....the process of search and removal

Here are a few variations.

1) do a sweep of your computer
2) sweep your computer (for unwanted files)
3) sweep unwanted files from your computer