Idle on the screen (4)
I believe the answer is:
eric
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">idle on the screen</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for eric that I've seen before include "Ernie's comic partner" , "---- Roberts, actor brother of Julia" , "--, or Little by Little (Dean Farrar)" , "Boy's name" , "---- Cantona, Manchester Utd favourite of the 1990s" .)