Type-C 即使是 Gen1 或 Gen2, 如果沒有註明 Alt Mode (例如 HDMI Alt Mode), 就不會有影音輸出的功能, 我在 PCHome 買筆電, 這些規格細節不會被註明, 都要打電話到原廠問清楚, 免的又要測試然後退貨, 浪費時間! 參考以下原文:
What is a USB Type-C Alternate Mode?
Alternate Mode (sometimes abbreviated Alt Mode) is a feature of USB-C that allows the physical jack to carry other types of video and data signals without the need for conversion.
Current USB Type-C alt modes include:
Thunderbolt
DisplayPort
HDMI
MHL
Analog audio