Hill's teammate and Drivers' Championship leader, Alain Prost, took pole position, but stalled on the warm-up lap and had to start from the back of the grid.
He subsequently lost several laps due to a faulty rear wing - giving an interview for French television while the Williams team worked on his car.
Senna also retired on lap 18 with throttle problems marking the first time since the race was introduced in 1986 that he failed to finish either 1st or 2nd, as everyone pitted except the Williamses and Schumacher.
On lap 23, Alesi spun off as he hit the armco barrier and retired as a result of backmarkers just in front of the French Sicilian, meanwhile Patrese waved through Schumacher who took second.
Pierluigi Martini looked sure for scoring his first point since San Marino the previous year before the Minardi driver would later crash out of 6th position with only 18 laps to go.