1. RS232 related driver download link 1.1 PL2303 driversWindows drivershttps://www.prolific.com.tw/US/ShowProduct.aspx?p_id=223&pcid=126. 1.2 macOS driver,To download the driver, please refer to the official website of CableCreation2. FTDI-232RL drivershttps://ftdichip.com/products/ft232rl/Please check whether the contacts of the RS232 device match the contacts of the CableCreation converter.

(1) No image is displayed on TV · The connection between laptop and TV generally defaults to "extended mode", you need to adjust to "Mirror mode" on the laptop setting pannel · (2) Why the TV does not display full screen? · Please adjust the resolution and the zoom function of the graphics card (for details, please ask the official technical service of the graphics card)How to adjust the resolution:1. XP system: right click on the desktop --> properties --> settings --> click the icon of the TV screen (usually 2) to adjust the screen resolution;2. WIN7/WIN10 system: right click on the

No sound: · 1). Please check whether the headphones interface and audio cable are properly connected;2). The headphones interface is divided into OMTP and CTIA, please check whether the audio cable is compatible with your headphones interface; · Noise: · 1). Please check whether the device interface and audio cable are properly and tightly connected;2). If multiple electronic devices are used at the same time, it is recommended to keep a certain safe distance to avoid signal interference between multiple devices;