A number of early 2013 Retina MacBook Pro owners are reporting fan speed issues, according to plenty of reports around the web including on Apple's own discussion forums. Specifically the issue is about the laptop's fans kicking on when there is no need to. Users report only stressing the laptop minimally, such as just having a web browser open with a few tabs, will cause the fans to spin for minutes at a time. Users also report that the laptop isn't even warm while the fans spin.
Geek.com suggests the issue could be due to a fan management software gli