https://forums.tomsguide.com/threads/asus-k501u-usb-port-s-begin-charging-external-device-but-shuts-down-in-15-seconds.168573/
Asus K501U USB port(s) begin charging external device but shuts down in ~15 seconds. | Tom's Guide...
My Asus K501U USB port(s) begin charging external device but shuts down in ~15 seconds and doesn't charge.