UGREEN CM555 USB-C Multifunction Docking Station Pro User Manual

UGREEN CM555 USB-C Multifunction Docking Station Pro User Manual

Model: CM555 | P/N: 90325

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Package Contents

1×USB-C Multifunction Docking Station Pro
1×USB-C Cable 1m

1×CD Driver
1×User Manual

Connection

Setup

1. Please install the DisplayLink driver first before connecting the dock to your laptop. There are several ways to download it:
(1) Check your system edition, then install or update the corresponding driver from: https://www.mediafire.com/file/ep4rdl5ztg7912h/90325.rar/file
(2) CD driver

Resolution Setting for Windows 10 & macOS

Graphics Settings for Windows 10

Graphics Settings for macOS

FAQ

Display Issues

1. Why do I have no display when connecting to the HDMI/DP port?

1. Check which video port is not outputting the image.
   If it is HDMI 8K, please check whether your laptop’s USB-C port supports video output.
   If it is HDMI 4K/DP port, please check whether the driver has been installed.
2. Please make sure the HDMI or DP cable meet the requirements and the connection between the devices is solid.
3. Adjust the display resolution, as the monitor may support lower resolutions than what the dock can support.
4. Ensure to select the correct input signal source on your monitor, as some devices need to manually adjust.
5. Restart your computers.
6. Try another monitor to check whether the display is normal.

2. Can I connect the HDMI 1 4K, HDMI 2 8K, and DP port simultaneously? What’s the maximum resolution?
Yes. As shown in the table below:

3. The monitor displays correctly after a black screen when plugging and unplugging the dock, is it normal?
Yes. The monitor will display images after the EDID reading. This usually takes about 10s.

Audio Issues

1. What functions does the 3.5mm audio port support?

Please refer to the table below:

2. I can’t hear any sound, is there any solution?
The computer system would automatically select HDMI or 3.5mm audio port to output an audio signal when attached to the dock.
You also can enter the “Sound settings” to select the corresponding output device.

Charging Issues

1. How many devices can this docking station connect or charge?

The detailed information is in the following table:

2. Why does my laptop fail to power charge when attached to the dock?

3. Can I charge the device via the USB-A?
The USB-A port is mainly used for data transmission, and the charging speed will be very slow. Please connect to the PD power supply first if you want to charge your devices.

Specifications

Notices

• For the safety of data, please do not directly disconnect the storage device from this product. Before disconnecting, please safely remove the programme.
• Do not throw or drop the product or subject it to strong physical shock.
• Do not dismantle or fix the product by yourself, please contact UGREEN after-sales service if necessary.
• When not in use for a long time, please carefully store the product to avoid dust and humidity.
• Please keep out of reach of children and pets.

After-sales

Please feel free to contact us on Amazon if you need any support, you can follow the steps below:

1. Sign in to your Amazon account and navigate to “Your Orders”.
2. Next to the relevant order, select “Problem with order”.
3. Send your messages to us via “Contact seller”.

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