NEWARK — A city woman this morning pleaded not guilty to fatally stabbing her boyfriend to death in their home last month.

Aisha Barr, 28, entered the pleas on a single charge of aggravated manslaughter during a brief appearance in Essex County Superior Court.

Judge Ronald Wigler ordered her to remain held at the county jail in Newark on $500,000 bond.

According to police reports, Barr and her boyfriend, 26-year-old Christopher Greene, began arguing over an Xbox video game console at their Stuyvesant Avenue home on May 31.

The disagreement eventually turned physical, authorities say, ending when Barr grabbed a kitchen knife and thrust it into Greene's chest. He was taken to University Hospital, where he died.

The homicide was the 36th of the year in Newark.

Dan Ivers may be reached at divers@njadvancemedia.com. Follow him on Twitter at @DanIversNJ. Find NJ.com on Facebook.