Product: Docking Station, USB C Docking Station, OKX USB C Hub Adapter 12-in-1 with Dual 4K HDMI, VGA, PD3.0, Ethernet, SD/TF Card Reader, 4USB-A, Mic/Audio, Compatible for Thunderbolt3 MacBook &Windows
Brand: OKX

 To use this product the host USB-C port from your device must support Display Port Alt Mode and Power Delivery  
 Use HDMI 2.0 or above cables for optimum performance 
 
 USB 3.1 Type-C Overview USB Type-C has a new feature called Alternate Modes which allows you to use non-USB connections with the USB-C cable and connection.Your device automatically applys the appropriate mode if it's supported. 
 
  Try these solution of Non-Display 
 Make sure your device and cable supports the same USB-C features as the OKX docking station. 
 Make sure the docking station is connected directly to your host device. 
 Make sure the docking station is connected to the USB-C port on your host device that supports the correct Alternate Mode. 
 For example if you're connecting a USB 3.1 Gen2 (Type C) Alt Mode device make sure you connect to the USB-C port that supports Displayport alt mode and power delivery. 
 
 Possible causes of Non-Display 
 The docking station you connected to has new features for USB-C that your host device or connect cable doesnâ€t support. 
 The docking station isn't connected to the correct USB-C port on your host device. 
 The device is using an external hub or dock to connect to the docking station Too many other Alternate Mode devices or dongles are connected to your host device. 
 
 USB Accessories Disabled Solutions 
Solution 1; Please unplug and re-plug. 
Solution 2; Reset the SMC of your device.
12 in1 Super Expansion USB-C Hub : All Expansion From A Single USB-C Port. Please make sure that your laptop Type C port support DisplayPort Alt Mode and Power Delivery. Only mirror display for macOS system. The usb c hub is incompatible with the USB-A to USB-C Adapter. The Mac OS itself does not support split screen effect.
Triple Display for Windows: Support the Triple display for Windows. 3840x2160 output only available when using HDMI or mirror the three displays. In extend mode, each will be limited to a maximum resolution of 1080P.
Efficient power delivery & Date transimission : USB-C PD charging port supports 60W 20V/5A charging power which helps you to charge your laptop and other connected devices. 1000M RJ45 Ethernet port and SD & TF 5Gbps card reader makes you get way more. 2 USB 3.0 ports transmission speed up to 5 Gbps. 2 USB 2. 0 ports with 480 Mbps transfer speed. Due to the USB 3. 0 radio frequency interference, it is advisable to connect the USB 2. 0 port.
Widely compatibility: Compatible with the Type C system: Work on windows 7/8/8. 1/10, Mac OS X 10. 6, Linux 2. 6. 14 or late operating System Please use 45W above adapter for laptop charging).
Plug-play: Mac only offers mirroring the two external displays. Unibody aluminum alloy ionized finish, extremely compact and slim. Functions as USB C hub only; may not provide sufficient power for tablets and smartphone devices. Warranty**OKX provides an 18-month full refund, long-life professional customer service, and technical support.

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