Why Is My Macbook Air Charger So Hot. When components get hot its because something failed and now too much current is flowing through something. Take a break have a cup of tea.
A simple reboot of your laptop may allow the hardware to rest and get your Mac charger working again. It Might Be Dirty. Why Macbook Pro Chargers Grow Very Hot.
This is basically due to the fact that there is poor air circulation when you place your computer on a softer surface and it needs proper airflow to help it keep cool.
This is why your MagSafe is getting hot. Theres a small IC in that adapter that communicates with the Mac to identify it as having whatever wattage your charger is rated at. You should also make sure that it is placed on a flat. Run Activity Monitor sort by CPU usage see if there is an app thats using too much CPU.
