R4 card works in my sons DSI but not my Daughters?
I have updated my r4 card( v1.4.4) to r4i v1.80b which works perfectly on my daughters dsi, However I purchased a 'used' dsi for my son and the same card doesn't work n his? it come up with a black screen saying the following,
AN ERROR HAS OCCURED.
PRESS AND HOLD THE POWER BUTTON TO TURN THE SYSTEM OFF. PLEASE REFER TO THE NINTENDO DSI OPERATIONS MANUAL FOR DETAILS.
Any info would be much appreciated.