**This article relates to AirParrot 1. As of September 2016, support for AirParrot 1 has ended. We encourage you to upgrade to AirParrot 2 for the best compatibility with new devices.**
Live video encoding is a hardware intensive task. On older machines this may push the hardware enough to kick on the fans. Try using a lower resolution, or change to the 1280x720 or 1920x1080 resolution to drastically reduce the CPU load on AirParrot.