2003 Chevrolet Cavalier Q&A

2003 Chevrolet Cavalier Question: what would the symptoms of a bad computer be

My car doesn't recognize my new alternator.It buzzes real low and also my heat gauge and speedometer don't work. -
Answer 1
The car doesn't have to recognize a new alternator, it just needs to see that it is or is not charging. Maybe the new alternator is bad, or another electrical issue. -