Why Your ASUS Zenbook Duo 14 Won't Charge: The Hidden Danger of Cheap USB-C Chargers and Dust

We frequently see premium laptops like the dual-screen ASUS Zenbook Duo 14 (UX482) arrive completely dead. The backstory is almost always identical: a year prior, the user temporarily relied on an uncertified, third-party USB-C charger. To make matters worse, a thick accumulation of dust had blocked the laptop's airflow over a long period. While it seemed to run fine initially, this combined thermal and electrical strain started an insidious countdown on the motherboard.