Arduino Due LED control LED remains on

Question

I'm using an Arduino Due, and 4x MAX7219 ICs to control a 16x16 matrix of LEDs. It works great, but there is just one LED that remains on (on row 0 col 15), even if I clear my display, or even manually turn it off.

I use the LED control library found on the Arduino playground.

How do I turn that one off?

Answer 1

Ow forgot to post the answer. apparently when you connect the led wrong it remains on, so that was the problem :D

so if your led remains on, check if it's connected right xD