However, Gary Neville's terrible La Liga run since taking charge of Valencia continued with a 1-0 loss to Sporting Gijon on Sunday -- Los Che's first home defeat since November 2014.
In keeping with their fast starts under new boss Zidane at the Santiago Bernabeu, Madrid raced into a 4-0 half-time lead with Karim Benzema and James Rodriguez's first goal since November adding to Ronaldo's double.
The three-time World Player of the Year sealed his latest La Liga hat-trick nine minutes from time before Oscar Duarte's own goal ensured a repeat scoreline from when the sides met earlier this season.
"We all needed to work harder as a team and now we have a positive mentality," Ronaldo told Canal Plus of Zidane's impact. The pre-season wasn't very good, there was a lot of travelling. Zizou has arrived with different ideas and we need to continue like this."
Victory also moves Real just a point behind local rivals Atletico Madrid after their 2-1 defeat to Barca in a top of the table clash on Saturday. However, Barcelona also have a game in hand on both Madrid clubs.

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