For anyone else who comes across same issue: We called Canon's support line, and they emailed us a warranty repair form. Filled out the repair form and returned the camera body and proof of purchase. Had to pay UPS shipping cost, but Canon has a deal...
Hi R_mae,Same problem with a brand new Canon EOS M50 Mark II camera (4 months old). Screen suddenly showed colored stripes while scrolling through menus and then shut off. Now it won't turn on anymore. Tried using the Canon OEM battery as well as 3rd...